U/21 Boy's Singles Seeds
2013 Croatian Open
| Athlete | Country | Seed |
|---|---|---|
| Jonathan Groth | DEN | 1 |
| Romain Lorentz | FRA | 2 |
| Benedikt Duda | GER | 3 |
| Thomas Le Breton | FRA | 4 |
| Alexandre Robinot | FRA | 5 |
| Julien Indeherberg | BEL | 6 |
| Antoine Hachard | FRA | 7 |
| Benjamin Brossier | FRA | 8 |
| Tamas Lakatos | HUN | 9 |
| Jakub Dyjas | POL | 10 |
| Mehdi Bouloussa | FRA | 11 |
| Konrad Kulpa | POL | 12 |
| Felipe Olivares | CHI | 13 |
| Frederick Jost | GER | 14 |
| Anthony Tran | SWE | 15 |
| Tomislav Pucar | CRO | 16 |