21 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Optendrenk, Frederik | Seidel, Alexander | 1/2-1/2 | B12 | ODJM C 2026 | 2026-05-29 |
| Optendrenk, Frederik | Mueller, Paul | 1-0 | C54 | ODJM C 2026 | 2026-05-27 |
| Optendrenk, Frederik | Anzinger, Simon | 0-1 | C55 | ODJM C 2026 | 2026-05-26 |
| Optendrenk, Frederik | de Cauter, Leah | 1-0 | B27 | ODJM C 2026 | 2026-05-24 |
| Optendrenk, Frederik | Melvin Mariappan | 1/2-1/2 | B12 | Round 12: Optendrenk, Frederik - Melvin Mariappan | 2025-08-06 |
| Optendrenk, Frederik | Rico Oosthoek | 0-1 | B12 | Round 10: Optendrenk, Frederik - Rico Oosthoek | 2025-08-05 |
| Optendrenk, Frederik | Nimai Bharos | 1-0 | B41 | Round 8: Optendrenk, Frederik - Nimai Bharos | 2025-08-04 |
| Optendrenk, Frederik | Sjoerd Oelmeijer | 1/2-1/2 | C54 | Round 6: Optendrenk, Frederik - Sjoerd Oelmeijer | 2025-08-02 |
| Optendrenk, Frederik | Quinten Bonsen | 1-0 | C02 | Round 2: Optendrenk, Frederik - Quinten Bonsen | 2025-08-01 |
| Optendrenk, Frederik | Vincent Huang | 0-1 | B50 | Round 4: Optendrenk, Frederik - Vincent Huang | 2025-08-01 |