| Jan 5, 2026 | Marten Rehn | 1–0 | Kulgemeyer | Runde 7: Marten Rehn - Kulgemeyer, Justus | Polish Opening, with d5 | |
| Jan 4, 2026 | Janssen | 0–1 | Marten Rehn | Runde 6: Janssen, Uwe - Marten Rehn | Four Knights Game: Scotch Variation Accepted | |
| Jan 4, 2026 | Marten Rehn | 1–0 | Einspanier | Runde 5: Marten Rehn - Einspanier, David | Caro-Kann Defense: Advance Variation | |
| Jan 3, 2026 | Marten Rehn | 1–0 | Willing | Runde 4: Marten Rehn - Willing, Zoe | Scotch Game | |
| Jan 3, 2026 | Stulgies | ½–½ | Marten Rehn | Runde 3: Stulgies, Noah - Marten Rehn | Italian Game: Two Knights Defense | |
| Jan 2, 2026 | Marten Rehn | ½–½ | Kuipers | Runde 2: Marten Rehn - Kuipers, Hartmut, Dr. | Caro-Kann Defense: Advance Variation | |
| Jan 2, 2026 | Lionel Dario Rohlfs | ½–½ | Marten Rehn | Runde 1: Lionel Dario Rohlfs - Marten Rehn | Petrov's Defense: Cozio Attack | |
| Apr 18, 2025 | Marten Rehn | 0–1 | Nico Zweers | Runde 9: Marten Rehn - Nico Zweers | Caro-Kann Defense: Exchange Variation | |
| Apr 11, 2025 | Arne Hüls | 0–1 | Marten Rehn | Runde 1: Arne Hüls - Marten Rehn | Sicilian Defense: Alapin Variation | |
| Jan 5, 2025 | Koehler | 0–1 | Marten Rehn | Round 7: Koehler, Keanu Nick - Marten Rehn | Petrov's Defense | |
| Jan 4, 2025 | Marten Rehn | ½–½ | Lambrecht | Round 6: Marten Rehn - Lambrecht, Harald | Caro-Kann Defense: Advance Variation | |
| Jan 4, 2025 | Yi | 0–1 | Marten Rehn | Round 5: Yi, Sirius - Marten Rehn | Four Knights Game: Gunsberg Variation | |
| Jan 3, 2025 | Marten Rehn | 0–1 | Hallfarth | Round 4: Marten Rehn - Hallfarth, Freya | Caro-Kann Defense: Panov Attack, Modern Defense | |
| Jan 3, 2025 | Baumann | ½–½ | Marten Rehn | Round 3: Baumann, Ben - Marten Rehn | Queen's Gambit Declined: Exchange Variation | |
| Jan 2, 2025 | Marten Rehn | 1–0 | Wessels | Round 2: Marten Rehn - Wessels, Finn Jarne | Petrov's Defense: Italian Variation | |
| Jan 2, 2025 | Umhang | 1–0 | Marten Rehn | Round 1: Umhang, Tanja - Marten Rehn | Bishop's Opening | |
| Jan 7, 2024 | Theodore-Batista Sanasi | 0–1 | Marten Rehn | Round 7: Theodore-Batista Sanasi - Marten Rehn | Queen's Gambit Declined: Marshall Defense | |
| Jan 6, 2024 | Marten Rehn | 1–0 | Andreas Rombusch | Round 6: Marten Rehn - Andreas Rombusch | French Defense: Advance Variation, Nimzowitsch System | |
| Jan 6, 2024 | Twen Gerski | 0–1 | Marten Rehn | Round 5: Twen Gerski - Marten Rehn | Queen's Pawn Game: Krause Variation | |
| Jan 5, 2024 | Marten Rehn | 1–0 | Titus Wilting | Round 4: Marten Rehn - Titus Wilting | Danish Gambit | |
| Jan 5, 2024 | Joost Schless | 0–1 | Marten Rehn | Round 3: Joost Schless - Marten Rehn | Queen's Pawn Game: Chigorin Variation, Irish Gambit | |
| Jan 4, 2024 | Tanja Umhang | 1–0 | Marten Rehn | Round 1: Tanja Umhang - Marten Rehn | Vienna Game: Stanley Variation | |
| Jan 4, 2024 | Marten Rehn | 0–1 | Stefan Lietz | Round 2: Marten Rehn - Stefan Lietz | French Defense: Advance Variation, Nimzowitsch System | |
