8 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Gruenhagen, Marc, Dr. | De Vries, Tobias | 0-1 | A22 | Round 7: Gruenhagen, Marc, Dr. - De Vries, Tobias | 2025-07-28 |
| Gruenhagen, Marc, Dr. | Cornelissen, Jort | 1-0 | E12 | Round 4: Gruenhagen, Marc, Dr. - Cornelissen, Jort | 2025-07-25 |
| Gruenhagen, Marc, Dr. | Heijmans, Stan | 1/2-1/2 | E42 | Round 3: Gruenhagen, Marc, Dr. - Heijmans, Stan | 2025-07-24 |
| Gruenhagen, Marc, Dr. | De Witte, Wiebe | 1-0 | E54 | Round 1: Gruenhagen, Marc, Dr. - De Witte, Wiebe | 2025-07-22 |