9 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Haarsma, Syb | Odincov, Ivan | 1-0 | A07 | NK 12 Jeugd 2026 | 2026-05-16 |
| Haarsma, Syb | Urban, Tobias | 1-0 | A04 | NK 12 Jeugd 2026 | 2026-05-15 |
| Haarsma, Syb | Kudernac, Theo | 0-1 | A05 | NK 12 Jeugd 2026 | 2026-05-15 |
| Haarsma, Syb | Plukkel, Guus | 1/2-1/2 | A05 | NK 12 Jeugd 2026 | 2026-05-15 |