| Apr 4, 2026 | Nelles | 0–1 | Windecker | 93. Pfälzischer Schachkongress 2026 | King's Pawn Game: MacLeod Attack | |
| Apr 3, 2026 | Windecker | 0–1 | Wollscheid | 93. Pfälzischer Schachkongress 2026 | French Defense: Exchange Variation | |
| Apr 3, 2026 | Windecker | ½–½ | Ohliger | 93. Pfälzischer Schachkongress 2026 | Caro-Kann Defense: Accelerated Panov Attack, Open Variation | |
| Mar 29, 2026 | Windecker | * | Bittern | 93. Pfälzischer Schachkongress 2026 | ? | |
| Mar 29, 2026 | Seitenspinner | * | Windecker | 93. Pfälzischer Schachkongress 2026 | ? | |
| Mar 28, 2026 | Pascual | 1–0 | Windecker | 93. Pfälzischer Schachkongress 2026 | Scandinavian Defense: Main Line | |
| Mar 27, 2026 | Windecker | 0–1 | Faulhaber | Runde 1: Windecker, Thomas - Faulhaber, Tobias | French Defense: Exchange Variation | |
| Apr 19, 2025 | Schwabe | 0–1 | Windecker | 92. Pfälzischer Schachkongress | Indian Defense: Budapest Defense, Adler Variation | |
| Apr 18, 2025 | Windecker | 0–1 | Kopf | 92. Pfälzischer Schachkongress | Caro-Kann Defense: Advance Variation | |
| Apr 18, 2025 | Windecker | 0–1 | Dannat | 92. Pfälzischer Schachkongress | Three Knights Opening | |
| Apr 13, 2025 | Roos | 0–1 | Windecker | 92. Pfälzischer Schachkongress | Indian Defense: Budapest Defense | |
| Apr 12, 2025 | Windecker | 0–1 | Wahl | 92. Pfälzischer Schachkongress | Sicilian Defense: McDonnell Attack | |
| Apr 11, 2025 | Mohammed | 1–0 | Windecker | 92. Pfälzischer Schachkongress | Scandinavian Defense: Main Line | |
| Mar 30, 2024 | Jost | 1–0 | Windecker | Runde 7: Jost, Robin - Windecker, Thomas | Petrov's Defense: Cozio Attack | |
| Mar 29, 2024 | Grosskopf | ½–½ | Windecker | Runde 6: Grosskopf, Elias - Windecker, Thomas | Petrov's Defense: Three Knights Game | |
| Mar 29, 2024 | Windecker | 0–1 | Niekisch | Runde 5: Windecker, Thomas - Niekisch, Dirk | Sicilian Defense: McDonnell Attack | |
| Mar 24, 2024 | Carla Westphal | 0–1 | Windecker | Runde 4: Carla Westphal - Windecker, Thomas | Rapport-Jobava System | |
| Mar 24, 2024 | Windecker | 0–1 | Herrmany | Runde 3: Windecker, Thomas - Herrmany, Marius | Bird Opening | |
| Mar 23, 2024 | Windecker | 1–0 | Daven Beyerle | Runde 2: Windecker, Thomas - Daven Beyerle | Bird Opening | |
