9 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Ondercin, Martin | Panko, Radoslav | 1-0 | C04 | exe: Slovakia chess open # Piešťany 2026 | 2026-07-17 |
| Ondercin, Martin | Stanko, Ivan | 1-0 | B26 | exe: Slovakia chess open # Piešťany 2026 | 2026-07-15 |
| Ondercin, Martin | Foldesi, Jan | 1-0 | B26 | exe: Slovakia chess open # Piešťany 2026 | 2026-07-13 |
| Ondercin, Martin | Kalisky, Vladimir | 0-1 | C45 | exe: Slovakia chess open # Piešťany 2026 | 2026-07-11 |
| Ondercin, Martin | Stolar, Matus | 1-0 | B23 | exe: Slovakia chess open # Piešťany 2026 | 2026-07-09 |