Kasumi Ishikawa

Women's Singles - 2016 German Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Final	Singles	Kasumi Ishikawa	1 - 4	Yang Wu	Head to Head
Semi-final	Singles	Kasumi Ishikawa	4 - 1	Ho Ching Lee	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	4 - 1	Mima Ito	Head to Head
Round of 16	Singles	Kasumi Ishikawa	4 - 0	Elizabeta Samara	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 2	Szu-Yu Chen	Head to Head

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Women's Singles - 2016 Hungarian Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Round of 32	Singles	Kasumi Ishikawa	1 - 4	Hyojoo Choi	Head to Head
Round of 64	Singles	Kasumi Ishikawa	4 - 0	Lin Gui	Head to Head

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Women's Singles - 2015 World Tour Grand Finals

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	0 - 4	Yuling Zhu	Head to Head
Round of 16	Singles	Kasumi Ishikawa	4 - 2	Xiaona Shan	Head to Head

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Women's Singles - 2015 Swedish Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Semi-final	Singles	Kasumi Ishikawa	1 - 4	Zi Mu	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	4 - 1	Ai Fukuhara	Head to Head
Round of 16	Singles	Kasumi Ishikawa	4 - 3	Xiaona Shan	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 1	Yana Tie	Head to Head
Round of 64	Singles	Kasumi Ishikawa	4 - 0	Jieni Shao	Head to Head

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Women's Doubles - 2015 Swedish Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Round of 16	Doubles	Kasumi Ishikawa / Mima Ito	2 - 3	Ho Ching Lee / Hoi Kem Doo	Head to Head

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Women's Doubles Qualification - 2015 Swedish Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Round of 16	Doubles	Kasumi Ishikawa / Mima Ito	3 - 0	Debora Vivarelli / Paula Bueno	Head to Head
Round of 32	Doubles	Kasumi Ishikawa / Mima Ito	3 - 0	Manika Batra / Melissa Tapper	Head to Head

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Women's Singles - 2015 Polish Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Round of 64	Singles	Kasumi Ishikawa	2 - 4	Natalia Partyka	Head to Head

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Women's Singles - 2015 Austrian Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	1 - 4	I-Ching Cheng	Head to Head
Round of 16	Singles	Kasumi Ishikawa	4 - 1	Fu Yu	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 0	Tetyana Bilenko	Head to Head
Round of 64	Singles	Kasumi Ishikawa	4 - 1	Yulia Prokhorova	Head to Head

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Women's Singles - 2015 Czech Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Round of 32	Singles	Kasumi Ishikawa	3 - 4	I-Ching Cheng	Head to Head
Round of 64	Singles	Kasumi Ishikawa	4 - 3	Britt Eerland	Head to Head

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Women's Singles - 2015 Bulgarian Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Final	Singles	Kasumi Ishikawa	4 - 2	Ai Fukuhara	Head to Head
Semi-final	Singles	Kasumi Ishikawa	4 - 3	Haeun Yang	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	4 - 1	Miu Hirano	Head to Head
Round of 16	Singles	Kasumi Ishikawa	4 - 0	Hyojoo Choi	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 0	Andreia Dodean	Head to Head

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Women's Singles - 2015 China Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Semi-final	Singles	Kasumi Ishikawa	1 - 4	Ning Ding	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	4 - 3	Haeun Yang	Head to Head
Round of 16	Singles	Kasumi Ishikawa	4 - 2	Szu-Yu Chen	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 3	Mengyu Yu	Head to Head

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Women's Singles - 2015 Korean Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Round of 16	Singles	Kasumi Ishikawa	0 - 4	Hyojoo Choi	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 0	Minhee Kim	Head to Head

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Women's Singles - 2015 Japan 2015

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	1 - 4	Ning Ding	Head to Head
Round of 16	Singles	Kasumi Ishikawa	4 - 0	Jiao Li	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 3	Ye Lin	Head to Head

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Women's Singles - 2015 Australian Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	1 - 4	Yana Tie	Head to Head
Round of 16	Singles	Kasumi Ishikawa	4 - 1	Hitomi Sato	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 0	Michelle Beaumont	Head to Head

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Women's Singles - 2015 Philippines Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Final	Singles	Kasumi Ishikawa	4 - 2	Ai Fukuhara	Head to Head
Semi-final	Singles	Kasumi Ishikawa	4 - 3	Yuka Ishigaki	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	4 - 1	Jihee Jeon	Head to Head
Round of 16	Singles	Kasumi Ishikawa	4 - 1	Hitomi Sato	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 0	Byeolnim Kim	Head to Head

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Women's Singles - 2015 World Championships

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Round of 32	Singles	Kasumi Ishikawa	0 - 4	Zi Mu	Head to Head
Round of 64	Singles	Kasumi Ishikawa	4 - 0	Ruta Paskauskiene	Head to Head
Round of 128	Singles	Kasumi Ishikawa	4 - 0	Nataliya Sladkova	Head to Head

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Mixed Doubles - 2015 World Championships

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Final	Doubles	Kasumi Ishikawa / Maharu Yoshimura	0 - 4	Haeun Yang / Xin Xu	Head to Head
Semi-final	Doubles	Kasumi Ishikawa / Maharu Yoshimura	4 - 2	Hyok Bong Kim / Jong Kim	Head to Head
Quarter-final	Doubles	Kasumi Ishikawa / Maharu Yoshimura	4 - 2	Hye Song Kim / Sin Hyok Pak	Head to Head
Round of 16	Doubles	Kasumi Ishikawa / Maharu Yoshimura	4 - 3	Sangsu Lee / Youngsook Park	Head to Head
Round of 32	Doubles	Kasumi Ishikawa / Maharu Yoshimura	4 - 0	Marcos Madrid / Yadira Silva	Head to Head
Round of 64	Doubles	Kasumi Ishikawa / Maharu Yoshimura	4 - 0	Alberto Mino / Melanie Diaz	Head to Head
Round of 128	Doubles	Kasumi Ishikawa / Maharu Yoshimura	4 - 1	Alex Galic / Jan Zibrat	Head to Head

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Women's Singles - 2015 Spanish Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Round of 16	Singles	Kasumi Ishikawa	2 - 4	Hoi Kem Doo	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 2	Marina Matsuzawa	Head to Head
Round of 64	Singles	Kasumi Ishikawa	4 - 0	Chung Wan Wong	Head to Head

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Women's Singles - 2015 German Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	0 - 4	Petrissa Solja	Head to Head
Round of 16	Singles	Kasumi Ishikawa	4 - 1	Yuka Ishigaki	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 0	Carole Grundisch	Head to Head

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Women's Singles - 2014 World Tour Grand Finals

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Final	Singles	Kasumi Ishikawa	4 - 0	Hyowon Seo	Head to Head
Semi-final	Singles	Kasumi Ishikawa	4 - 0	Georgina Pota	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	4 - 0	Ai Fukuhara	Head to Head
Round of 16	Singles	Kasumi Ishikawa	4 - 1	Yuka Ishigaki	Head to Head

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Women's Singles - 2014 Swedish Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	3 - 4	Yuling Zhu	Head to Head
Round of 16	Singles	Kasumi Ishikawa	4 - 2	Sayaka Hirano	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 2	Yulia Prokhorova	Head to Head
Round of 64	Singles	Kasumi Ishikawa	4 - 1	Ruta Paskauskiene	Head to Head

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Women's Singles - 2014 Russian Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Final	Singles	Kasumi Ishikawa	4 - 3	Ai Fukuhara	Head to Head
Semi-final	Singles	Kasumi Ishikawa	4 - 0	Hina Hayata	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	4 - 0	Misaki Morizono	Head to Head
Round of 16	Singles	Kasumi Ishikawa	4 - 0	Hitomi Sato	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 0	Maria Dolgikh	Head to Head

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Women's Doubles - 2014 Russian Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Final	Doubles	Kasumi Ishikawa / Sayaka Hirano	3 - 1	Hitomi Sato / Miyu Maeda	Head to Head
Semi-final	Doubles	Kasumi Ishikawa / Sayaka Hirano	3 - 1	Eunhye Lee / Haeun Yang	Head to Head
Quarter-final	Doubles	Kasumi Ishikawa / Sayaka Hirano	3 - 0	Eunchong Yoo / Yearam Lee	Head to Head
Round of 16	Doubles	Kasumi Ishikawa / Sayaka Hirano	3 - 0	Anna Blazhko / Yana Noskova	Head to Head

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Women's Singles - 2014 Czech Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Semi-final	Singles	Kasumi Ishikawa	1 - 4	Elizabeta Samara	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	4 - 2	Yuka Ishigaki	Head to Head
Round of 16	Singles	Kasumi Ishikawa	4 - 2	Mima Ito	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 2	Yana Tie	Head to Head
Round of 64	Singles	Kasumi Ishikawa	4 - 1	Anna Fenyvesi	Head to Head

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Women's Doubles - 2014 Czech Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Quarter-final	Doubles	Kasumi Ishikawa / Sayaka Hirano	0(Forfeited) - 0	Petrissa Solja / Xiaona Shan	Head to Head
Round of 16	Doubles	Kasumi Ishikawa / Sayaka Hirano	3 - 1	Maria Dolgikh / Polina Mikhailova	Head to Head

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Women's Singles - 2014 Japan Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Final	Singles	Kasumi Ishikawa	2 - 4	Tianwei Feng	Head to Head
Semi-final	Singles	Kasumi Ishikawa	4 - 2	Mengyu Yu	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	4 - 3	Zhuojia He	Head to Head
Round of 16	Singles	Kasumi Ishikawa	4 - 3	Fu Yu	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 1	Dasom Lee	Head to Head

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Women's Singles - 2014 Korean Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Round of 16	Singles	Kasumi Ishikawa	1 - 4	Ke Chen	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 1	Xingtong Chen	Head to Head

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Women's Singles - 2014 China Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	2 - 4	Xiaoxia Li	Head to Head
Round of 16	Singles	Kasumi Ishikawa	4 - 0	Sayaka Hirano	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 2	Yihan Zhou	Head to Head

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Women's Doubles - 2014 China Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Round of 16	Doubles	Kasumi Ishikawa / Sayaka Hirano	2 - 3	Jiaduo Wu / Ying Han	Head to Head

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Women's Singles - 2014 Qatar Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Round of 64	Singles	Kasumi Ishikawa	3 - 4	Katerina Penkavova	Head to Head

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Women's Doubles - 2014 Qatar Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Round of 16	Doubles	Kasumi Ishikawa / Sayaka Hirano	0(Forfeited) - 0	Ye Lin / Yihan Zhou	Head to Head

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Women's Singles - 2014 Kuwait Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Semi-final	Singles	Kasumi Ishikawa	2 - 4	Yuling Zhu	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	4 - 3	Yang Wu	Head to Head
Round of 16	Singles	Kasumi Ishikawa	4 - 0	Eunchong Yoo	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 1	Margaryta Pesotska	Head to Head
Round of 64	Singles	Kasumi Ishikawa	4 - 1	Sanem Sahin	Head to Head

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U/21 Girl's Singles - 2014 Kuwait Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Final	Singles	Kasumi Ishikawa	1 - 4	Haeun Yang	Head to Head
Semi-final	Singles	Kasumi Ishikawa	4 - 0	Eunchong Yoo	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	4 - 0	Yui Hamamoto	Head to Head
Round of 16	Singles	Kasumi Ishikawa	3 - 1	Yana Noskova	Head to Head

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Women's Singles - 2013 Russian Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	0 - 4	Yuling Zhu	Head to Head
Round of 16	Singles	Kasumi Ishikawa	4 - 1	Shiho Matsudaira	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 0	Elena Dubkova	Head to Head

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Women's Doubles - 2013 Russian Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Semi-final	Doubles	Kasumi Ishikawa / Sayaka Hirano	1 - 3	Xiaoxia Li / Yuling Zhu	Head to Head
Quarter-final	Doubles	Kasumi Ishikawa / Sayaka Hirano	3 - 1	Alina Arlouskaya / Elena Dubkova	Head to Head
Round of 16	Doubles	Kasumi Ishikawa / Sayaka Hirano	3 - 0	Anna Blazhko / Maria Malanina	Head to Head

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Women's Singles - 2013 German Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Round of 64	Singles	Kasumi Ishikawa	3 - 4	Galia Dvorak	Head to Head

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Women's Doubles - 2013 German Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Round of 16	Doubles	Kasumi Ishikawa / Sayaka Hirano	2 - 3	Georgina Pota / Szandra Pergel	Head to Head

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Women's Singles - 2013 Harmony Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	0 - 4	Shiwen Liu	Head to Head
Round of 16	Singles	Kasumi Ishikawa	4 - 3	Szu-Yu Chen	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 0	Yi-Hua Huang	Head to Head
Round of 64	Singles	Kasumi Ishikawa	4 - 1	Nai-I Hsiung	Head to Head

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Women's Doubles - 2013 Harmony Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Round of 16	Doubles	Kasumi Ishikawa / Sayaka Hirano	1 - 3	Yan Zhao / Yang Wu	Head to Head

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Women's Singles - 2013 Japan Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Round of 32	Singles	Kasumi Ishikawa	2 - 4	Xiaona Shan	Head to Head

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Women's Doubles - 2013 Japan Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Quarter-final	Doubles	Kasumi Ishikawa / Misaki Morizono	2 - 3	Xintong Zhou / Yuting Gu	Head to Head
Round of 16	Doubles	Kasumi Ishikawa / Misaki Morizono	3 - 2	Gaoyang Liu / Xi Liu	Head to Head

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Women's Singles - 2013 World Championships

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Round of 32	Singles	Kasumi Ishikawa	0 - 4	Myong Sun Ri	Head to Head
Round of 64	Singles	Kasumi Ishikawa	4 - 2	Renata Strbikova	Head to Head
Round of 128	Singles	Kasumi Ishikawa	4 - 0	Nadeen El-dawlatly	Head to Head

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Women's Doubles - 2013 World Championships

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Round of 16	Doubles	Kasumi Ishikawa / Misaki Morizono	1 - 4	Mengyu Yu / Tianwei Feng	Head to Head
Round of 32	Doubles	Kasumi Ishikawa / Misaki Morizono	4 - 0	Emmanuelle Lennon / Marie Migot	Head to Head
Round of 64	Doubles	Kasumi Ishikawa / Misaki Morizono	4 - 0	Noor Azizah Agustin / Silir Rovani	Head to Head

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Mixed Doubles - 2013 World Championships

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Round of 32	Doubles	Kasumi Ishikawa / Maharu Yoshimura	1 - 4	Sangsu Lee / Youngsook Park	Head to Head
Round of 64	Doubles	Kasumi Ishikawa / Maharu Yoshimura	4 - 2	Amalraj Anthony / Madhurika Patkar	Head to Head
Round of 128	Doubles	Kasumi Ishikawa / Maharu Yoshimura	4 - 0	Andrea Estrada / Jose Miguel Ramirez	Head to Head

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Women's Singles - 2013 Korean Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Final	Singles	Kasumi Ishikawa	3 - 4	Hyowon Seo	Head to Head
Semi-final	Singles	Kasumi Ishikawa	4 - 2	Hiroko Fujii	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	4 - 1	Sayaka Hirano	Head to Head
Round of 16	Singles	Kasumi Ishikawa	4 - 0	Xue Li	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 1	Szu-Yu Chen	Head to Head
Round of 64	Singles	Kasumi Ishikawa	4 - 0	Byeolnim Kim	Head to Head

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U/21 Girl's Singles - 2013 Korean Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Semi-final	Singles	Kasumi Ishikawa	3 - 4	I-Ching Cheng	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	4 - 0	Eunchong Yoo	Head to Head
Round of 16	Singles	Kasumi Ishikawa	3 - 0	Lily Zhang	Head to Head
Round of 32	Singles	Kasumi Ishikawa	3 - 0	Sofia Polcanova	Head to Head

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Women's Singles - 2013 Kuwait Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	1 - 4	Tianwei Feng	Head to Head
Round of 16	Singles	Kasumi Ishikawa	4 - 2	Haeun Yang	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 0	I-Ching Cheng	Head to Head

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Women's Doubles - 2013 Kuwait Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Final	Doubles	Kasumi Ishikawa / Misaki Morizono	0 - 3	Ning Ding / Xiaoxia Li	Head to Head
Semi-final	Doubles	Kasumi Ishikawa / Misaki Morizono	0 - 0(Disqualified)	Meng Chen / Yuling Zhu	Head to Head
Quarter-final	Doubles	Kasumi Ishikawa / Misaki Morizono	3 - 0	Mima Ito / Miu Hirano	Head to Head
Round of 16	Doubles	Kasumi Ishikawa / Misaki Morizono	3 - 2	I-Ching Cheng / Yi-Hua Huang	Head to Head

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Women's Doubles Qualification - 2013 Kuwait Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Round of 16	Doubles	Kasumi Ishikawa / Misaki Morizono	3 - 0	Madhurika Patkar / Pooja Sahasrabudhe	Head to Head

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Women's Singles - 2013 Austrian Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Semi-final	Singles	Kasumi Ishikawa	1 - 4	Xiaoxia Li	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	4 - 1	Yuling Zhu	Head to Head
Round of 16	Singles	Kasumi Ishikawa	4 - 1	Fen Li	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 1	Yuki Nonaka	Head to Head
Round of 64	Singles	Kasumi Ishikawa	4 - 2	Jeongmin Choi	Head to Head

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Women's Doubles - 2013 Austrian Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Semi-final	Doubles	Kasumi Ishikawa / Misaki Morizono	0 - 3	Ning Ding / Xiaoxia Li	Head to Head
Quarter-final	Doubles	Kasumi Ishikawa / Misaki Morizono	3 - 0	Xiaona Shan / Zhenqi Barthel	Head to Head
Round of 16	Doubles	Kasumi Ishikawa / Misaki Morizono	3 - 1	Dora Madarasz / Krisztina Ambrus	Head to Head

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U/21 Girl's Singles - 2012 World Tour Grand Finals

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Final	Singles	Kasumi Ishikawa	4 - 1	Szu-Yu Chen	Head to Head
Semi-final	Singles	Kasumi Ishikawa	4 - 2	I-Ching Cheng	Head to Head
Group	Singles	Kasumi Ishikawa	2 - 4	Szu-Yu Chen	Head to Head
Group	Singles	Kasumi Ishikawa	4 - 0	Haeun Yang	Head to Head
Group	Singles	Kasumi Ishikawa	4 - 0	Sabine Winter	Head to Head

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Women's Singles - 2012 Japan Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Round of 16	Singles	Kasumi Ishikawa	2 - 4	Mengyu Yu	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 3	Jia Liu	Head to Head

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U/21 Girl's Singles - 2012 Japan Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Final	Singles	Kasumi Ishikawa	4 - 0	Ho Ching Lee	Head to Head
Semi-final	Singles	Kasumi Ishikawa	4 - 0	Szu-Yu Chen	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	4 - 3	Wing Nam Ng	Head to Head
Round of 16	Singles	Kasumi Ishikawa	3 - 2	Britt Eerland	Head to Head

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Women's Singles - 2012 China Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Round of 16	Singles	Kasumi Ishikawa	1 - 4	Ying Fan	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 1	Mengyu Yu	Head to Head
Round of 64	Singles	Kasumi Ishikawa	4 - 2	Joanna Drinkhall	Head to Head

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Women's Doubles - 2012 China Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Quarter-final	Doubles	Ai Fukuhara / Kasumi Ishikawa	2 - 4	Kyungah Kim / Miyoung Park	Head to Head
Round of 16	Doubles	Ai Fukuhara / Kasumi Ishikawa	3 - 1	Chia-Hui Lin / Ya-Chuan Chang	Head to Head

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U/21 Girl's Singles - 2012 China Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Final	Singles	Kasumi Ishikawa	1 - 4	Myong Sun Ri	Head to Head
Semi-final	Singles	Kasumi Ishikawa	4 - 3	Misaki Morizono	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	4 - 3	I-Ching Cheng	Head to Head
Round of 16	Singles	Kasumi Ishikawa	3 - 2	Hsien-Tzu Cheng	Head to Head

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Women's Singles - 2012 Korean Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Round of 16	Singles	Kasumi Ishikawa	1 - 4	Yang Wu	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 3	Mengyu Yu	Head to Head

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Women's Doubles - 2012 Korean Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Round of 16	Doubles	Ai Fukuhara / Kasumi Ishikawa	0 - 3	Wing Nam Ng / Yana Tie	Head to Head

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U/21 Girl's Singles - 2012 Korean Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Final	Singles	Kasumi Ishikawa	4 - 1	Haeun Yang	Head to Head
Semi-final	Singles	Kasumi Ishikawa	4 - 0	Misaki Morizono	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	4 - 0	Ho Ching Lee	Head to Head
Round of 16	Singles	Kasumi Ishikawa	3 - 0	Dayoung Jee	Head to Head

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Women's Singles - 2012 Chile Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Round of 16	Singles	Kasumi Ishikawa	3 - 4	Jiaqi Zheng	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 0	Daniela Ortega	Head to Head

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U/21 Girl's Singles - 2012 Chile Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Final	Singles	Kasumi Ishikawa	4 - 2	Haeun Yang	Head to Head
Semi-final	Singles	Kasumi Ishikawa	4 - 0	Lin Gui	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	4 - 0	Caroline Kumahara	Head to Head

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Women's Singles - 2012 Spanish Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Semi-final	Singles	Kasumi Ishikawa	3 - 4	Kyungah Kim	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	4 - 0	Misako Wakamiya	Head to Head
Round of 16	Singles	Kasumi Ishikawa	4 - 1	Saki Tashiro	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 2	Mengyuan Guan	Head to Head

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U/21 Girl's Singles - 2012 Spanish Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Final	Singles	Kasumi Ishikawa	4 - 2	Haeun Yang	Head to Head
Semi-final	Singles	Kasumi Ishikawa	4 - 0	Misaki Morizono	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	4 - 1	Dasom Lee	Head to Head

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Women's Singles - 2012 Qatar Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Round of 16	Singles	Kasumi Ishikawa	3 - 4	Hajung Seok	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 1	Irene Ivancan	Head to Head

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U/21 Girl's Singles - 2012 Qatar Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Final	Singles	Kasumi Ishikawa	4 - 0	Margaryta Pesotska	Head to Head
Semi-final	Singles	Kasumi Ishikawa	4 - 0	Yana Noskova	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	4 - 2	Szu-Yu Chen	Head to Head
Round of 16	Singles	Kasumi Ishikawa	3 - 0	Noora Al-abri	Head to Head

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Women's Singles - 2012 Slovenian Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	1 - 4	Ning Ding	Head to Head
Round of 16	Singles	Kasumi Ishikawa	4 - 1	Jiao Li	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 1	Matilda Ekholm	Head to Head
Round of 64	Singles	Kasumi Ishikawa	4 - 2	Jina Hwang	Head to Head

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U/21 Girl's Singles - 2012 Slovenian Open

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Final	Singles	Kasumi Ishikawa	4 - 3	Misaki Morizono	Head to Head
Semi-final	Singles	Kasumi Ishikawa	4 - 0	Alice Abbat	Head to Head
Quarter-final	Singles	Kasumi Ishikawa	4 - 0	Mingyung Kim	Head to Head
Round of 16	Singles	Kasumi Ishikawa	3 - 1	Sofia Polcanova	Head to Head
Round of 32	Singles	Kasumi Ishikawa	3 - 0	Stephanie Loeuillette	Head to Head

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Women's Singles - 2011 World Championships

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Round of 16	Singles	Kasumi Ishikawa	1 - 4	Ning Ding	Head to Head
Round of 32	Singles	Kasumi Ishikawa	4 - 2	Haeun Yang	Head to Head
Round of 64	Singles	Kasumi Ishikawa	4 - 0	Ayuka Tanioka	Head to Head
Round of 128	Singles	Kasumi Ishikawa	4 - 0	Cristina Hirici	Head to Head

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Women's Doubles - 2011 World Championships

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Round of 16	Doubles	Ai Fukuhara / Kasumi Ishikawa	2 - 4	Hye Song Kim / Jong Kim	Head to Head
Round of 32	Doubles	Ai Fukuhara / Kasumi Ishikawa	4 - 1	Anastasia Voronova / Yulia Prokhorova	Head to Head
Round of 64	Doubles	Ai Fukuhara / Kasumi Ishikawa	4 - 0	Joanna Drinkhall / Kelly Sibley	Head to Head

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Mixed Doubles - 2011 World Championships

Match Stage	Match Type	Athlete	Score	Opponent	Head to Head
Round of 16	Doubles	Kasumi Ishikawa / Kenta Matsudaira	2 - 4	Evgueni Chtchetinine / Viktoria Pavlovich	Head to Head
Round of 32	Doubles	Kasumi Ishikawa / Kenta Matsudaira	4 - 1	Adrian Crisan / Daniela Monteiro Dodean	Head to Head
Round of 64	Doubles	Kasumi Ishikawa / Kenta Matsudaira	4 - 1	Alexander Shibaev / Anastasia Voronova	Head to Head
Round of 128	Doubles	Kasumi Ishikawa / Kenta Matsudaira	4 - 1	Anisara Muangsuk / Nikom Wongsiri	Head to Head