9 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Graaskamp, Harry | Van Veldhoven, Charley | 0-1 | A38 | Round 2: Graaskamp, Harry - Van Veldhoven, Charley | 2026-05-15 |
| Harry Graaskamp | Van Renselaar, Lars | 1/2-1/2 | D33 | Round 6: Harry Graaskamp - Van Renselaar, Lars | 2024-06-23 |
| Harry Graaskamp | David Koole | 0-1 | A28 | Round 5: Harry Graaskamp - David Koole | 2024-06-21 |
| Harry Graaskamp | Van Rossum, Carlos | 1/2-1/2 | D35 | Round 1: Harry Graaskamp - Van Rossum, Carlos | 2024-05-12 |
| Harry Graaskamp | Steinberg, Matthew | 0-1 | D02 | Round 3: Harry Graaskamp - Steinberg, Matthew | 2024-05-12 |
| Harry Graaskamp | Ichelle Dekker | 1/2-1/2 | A13 | Round 3: Harry Graaskamp - Ichelle Dekker | 2023-06-24 |