7 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Macmullin, Owen | Press, Harry | 0-1 | B32 | 2026 ACT Chess Championship | 2026-05-28 |
| Macmullin, Owen | Leong, Joel | 0-1 | B70 | 2026 Australian Championship Under 18 years | 2026-01-18 |
| Macmullin, Owen | Leong, Joel | 0-1 | B70 | 2026 Australian Championship Under 18 years | 2026-01-17 |