Record by referee Robert Hartmann
| Competition | Date | Match | Match | Res. |
|---|---|---|---|---|
| Bundesliga | 20.05.2023 | Werder - Köln | SVW - KOE | 1:1 |
| Bundesliga | 14.02.2026 | Stuttgart - Köln | VFB - KOE | 3:1 |
| Bundesliga | 25.04.2026 | Köln - Leverkusen | KOE - B04 | 1:2 |
| Bundesliga | 19.09.2026 | M'gladbach - Mainz 05 | BMG - M05 | 3:4 |
| 2. Bundesliga | 09.05.2025 | Nuremberg - Köln | FCN - KOE | 1:2 |