| May 17, 2026 | Ploog | ½–½ | Heimbrodt | Runde 7: Ploog, Jakob - Heimbrodt, Birk | Queen's Gambit Declined: Capablanca Variation | |
| May 16, 2026 | Heimbrodt | 0–1 | Meschke | Runde 6: Heimbrodt, Birk - Meschke, Oliver | Sicilian Defense: Grand Prix Attack | |
| May 16, 2026 | Lau | 1–0 | Heimbrodt | Runde 5: Lau, Felix - Heimbrodt, Birk | Scandinavian Defense: Main Line | |
| May 15, 2026 | Heimbrodt | 1–0 | Heinrich | Runde 4: Heimbrodt, Birk - Heinrich, Sebastian | Caro-Kann Defense: Maróczy Variation | |
| May 15, 2026 | Zimmer | 0–1 | Heimbrodt | Runde 3: Zimmer, Patrick - Heimbrodt, Birk | Scandinavian Defense: Main Line | |
| May 14, 2026 | Heimbrodt | ½–½ | Rabe | Runde 2: Heimbrodt, Birk - Rabe, Elina | French Defense: Tarrasch Variation, Open System, Main Line | |
| May 10, 2026 | Carlstedt | 1–0 | Heimbrodt | Round 1: Carlstedt, Jonathan - Heimbrodt, Birk | English Opening: Caro-Kann Defensive System | |
| Jun 1, 2025 | Heimbrodt | 0–1 | Mueller | Round 7: Heimbrodt, Birk - Mueller, Kai | Scotch Game: Schmidt Variation | |
| May 31, 2025 | Kiwitt | ½–½ | Heimbrodt | Round 6: Kiwitt, Jonah - Heimbrodt, Birk | Semi-Slav Defense: Main Line | |
| May 31, 2025 | Heimbrodt | 1–0 | Greiner | Round 5: Heimbrodt, Birk - Greiner, Jan Oluf | Scotch Game: Classical Variation | |
| May 30, 2025 | Busch | ½–½ | Heimbrodt | Round 4: Busch, Lara Sophie - Heimbrodt, Birk | Scandinavian Defense: Main Line | |
| May 30, 2025 | Heimbrodt | ½–½ | Kurschis | Round 3: Heimbrodt, Birk - Kurschis, Anton | Petrov's Defense: Nimzowitsch Attack | |
| May 29, 2025 | Pittelkow | 1–0 | Heimbrodt | Round 2: Pittelkow, Andreas, Dr. - Heimbrodt, Birk | King's Indian Attack | |
| May 29, 2025 | Heimbrodt | 1–0 | Lossie | Round 1: Heimbrodt, Birk - Lossie, Simon | Scotch Game: Schmidt Variation | |
| May 12, 2024 | Heimbrodt | 0–1 | Rose | 3. Itzehoer Schach Open | French Defense: Tarrasch Variation, Open System, Main Line | |
| May 11, 2024 | Christiansen | ½–½ | Heimbrodt | 3. Itzehoer Schach Open | English Opening | |
| May 11, 2024 | Heimbrodt | 1–0 | von Flottwell | 3. Itzehoer Schach Open | Scotch Game: Schmidt Variation | |
| May 10, 2024 | Geib | 0–1 | Heimbrodt | 3. Itzehoer Schach Open | Queen's Pawn Game: London System | |
| May 10, 2024 | Heimbrodt | 0–1 | Ploog | 3. Itzehoer Schach Open | Sicilian Defense: Grand Prix Attack | |
| May 9, 2024 | Hebbinghaus | 1–0 | Heimbrodt | 3. Itzehoer Schach Open | Scandinavian Defense: Classical Variation | |
| May 9, 2024 | Heimbrodt | 1–0 | Toman | 3. Itzehoer Schach Open | Scotch Game | |
