| Jun 5, 2026 | Tegetmeier | 0–1 | Bredemeier | Round 1: Tegetmeier, Birger - Bredemeier, Dirk | French Defense: Exchange Variation | |
| Oct 25, 2025 | Tegetmeier | 1–0 | Buecklers | Runde 7: Tegetmeier, Birger - Buecklers, Martin | Modern Defense: Gurgenidze Defense | |
| Oct 25, 2025 | Serhii Yaryna | 1–0 | Tegetmeier | Runde 6: Serhii Yaryna - Tegetmeier, Birger | Caro-Kann Defense: Advance Variation, Van der Wiel Attack | |
| Oct 25, 2025 | Tegetmeier | ½–½ | Harms | Runde 5: Tegetmeier, Birger - Harms, Friedjof | Ruy Lopez: Morphy Defense, Classical Defense Deferred | |
| Oct 24, 2025 | Nyenhuis | ½–½ | Tegetmeier | Runde 4: Nyenhuis, Yannek - Tegetmeier, Birger | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| Oct 24, 2025 | Oest | ½–½ | Tegetmeier | Runde 3: Oest, Thorsten - Tegetmeier, Birger | Caro-Kann Defense: Advance Variation | |
| Oct 23, 2025 | Tegetmeier | ½–½ | Huhs | Runde 2: Tegetmeier, Birger - Huhs, Sven | Modern Defense: Standard Defense | |
| Oct 23, 2025 | Tegetmeier | 0–1 | Schiller | Runde 1: Tegetmeier, Birger - Schiller, Jan-Hendrik | Nimzo-Larsen Attack: Classical Variation | |
| Jul 28, 2024 | Tegetmeier | * | Huhs | Round 6: Tegetmeier, Birger - Huhs, Sven | ? | |
| Jul 28, 2024 | Henkemeier | ½–½ | Tegetmeier | Round 7: Henkemeier, Michael - Tegetmeier, Birger | Horwitz Defense | |
| Jul 27, 2024 | Lu | ½–½ | Tegetmeier | Round 5: Lu, Trung Cang - Tegetmeier, Birger | Caro-Kann Defense: Panov Attack, Modern Defense, Carlsbad Line | |
| Jul 27, 2024 | Tegetmeier | ½–½ | Schnier | Round 4: Tegetmeier, Birger - Schnier, Steffen | French Defense: Exchange Variation | |
| Jul 26, 2024 | Schubert | 0–1 | Tegetmeier | Round 3: Schubert, Matthias - Tegetmeier, Birger | Caro-Kann Defense: Advance Variation, Short Variation | |
| Jul 26, 2024 | Tegetmeier | ½–½ | Stein | Round 2: Tegetmeier, Birger - Stein, Luis | Caro-Kann Defense: Exchange Variation | |
| Jul 25, 2024 | Zitzewitz | 1–0 | Tegetmeier | Round 1: Zitzewitz, Roland - Tegetmeier, Birger | Dutch Defense: Classical Variation, Huisl Variation | |
| Jun 9, 2024 | Tegetmeier | 0–1 | Buchal | Round 5: Tegetmeier, Birger - Buchal, Stephan | Modern Defense: Standard Defense | |
| Jun 9, 2024 | Leder | 0–1 | Tegetmeier | Round 4: Leder, Miriam - Tegetmeier, Birger | Caro-Kann Defense: Exchange Variation | |
| Jun 8, 2024 | Tegetmeier | 0–1 | Hart | Round 3: Tegetmeier, Birger - Hart, Martin | Czech Defense | |
| Jun 8, 2024 | Butenko | ½–½ | Tegetmeier | Round 2: Butenko, Volodymyr - Tegetmeier, Birger | Caro-Kann Defense: Classical Variation | |
| Jun 7, 2024 | Tegetmeier | 0–1 | Peters | Round 1: Tegetmeier, Birger - Peters, Tom | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
