5 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Koch, Ralf-Johannes | Ulrich, Andreas | 0-1 | C00 | Round 4: Koch, Ralf-Johannes - Ulrich, Andreas | 2025-10-04 |
| Koch, Ralf-Johannes | Woll, Wilfried | 0-1 | C00 | Round 1: Koch, Ralf-Johannes - Woll, Wilfried | 2025-10-03 |