2003 Croatia Open – Singles
| Singles | |
|---|---|
| 2003 Croatia Open | |
| Champion | Carlos Moyá | 
| Runner-up | Filippo Volandri | 
| Score | 6–4, 3–6, 7–5 | 
| Draw | 32 (4 Q / 3 WC ) | 
| Seeds | 8 | 
Carlos Moyá was the defending champion and won in the final 6–4, 3–6, 7–5 against Filippo Volandri.