Player Summary
O. Koval's club history lists 4 spells across 4 clubs.
Season goals1
Season assists0
Rating-
Transfer history
| Date | From | To | Terms |
|---|---|---|---|
| 2026-09-09 |  Vlašim |  Písek | Transfer |
| 2026-09-08 | Vlašim | Písek | Transfer |
| 2026-07-23 |  Bohemians 1905 | Vlašim | Transfer |
| 2026-07-22 | Bohemians 1905 | Vlašim | Transfer |
| 2025-10-25 | Bohemians 1905 | Bohemians 1905 | Free agent |
Club history
| Period | Team | Competition | Country |
|---|---|---|---|
| 2026 | PísekCurrent |  3. liga - CFL A |  Czech-Republic |
| 2026-2027 | Vlašim |  FNL | Czech-Republic |
| 2025-2026 | Bohemians 1905 |  Czech Liga | Czech-Republic |
| 2025-2026 |  Bohemians 1905 II | 3. liga - CFL A | Czech-Republic |