| May 30, 2026 | Classen | ½–½ | Geib | ODJM C 2026 | Pirc Defense: Classical Variation, Quiet System | |
| May 29, 2026 | Kovacs | ½–½ | Classen | ODJM C 2026 | French Defense: Tarrasch Variation, Chistyakov Defense | |
| May 28, 2026 | Classen | 1–0 | Richter | ODJM C 2026 | Scotch Game: Scotch Gambit, Advance Variation | |
| May 27, 2026 | Goerlach | ½–½ | Classen | ODJM C 2026 | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| May 27, 2026 | Lux | 1–0 | Classen | ODJM C 2026 | French Defense: Horwitz Attack, Papa-Ticulat Gambit | |
| May 26, 2026 | Classen | 0–1 | Mlynarski | ODJM C 2026 | Sicilian Defense | |
| May 25, 2026 | Classen | 1–0 | Seidel | ODJM C 2026 | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| May 24, 2026 | Splitt | 0–1 | Classen | ODJM C 2026 | Rapport-Jobava System | |
| May 24, 2026 | Classen | ½–½ | Weidenhoefer | ODJM C 2026 | Caro-Kann Defense: Two Knights Attack | |
| Jun 14, 2025 | de Cauter | 0–1 | Classen | ODJM B 2025 | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Jun 13, 2025 | Classen | 0–1 | Schmidt | ODJM B 2025 | Slav Defense: Exchange Variation | |
| Jun 12, 2025 | Leonhardt | 1–0 | Classen | ODJM B 2025 | Sicilian Defense: Delayed Alapin Variation | |
| Jun 11, 2025 | Classen | 1–0 | Schille | ODJM B 2025 | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| Jun 11, 2025 | Schiewe | 1–0 | Classen | ODJM B 2025 | Queen's Pawn Game: Colle System | |
| Jun 10, 2025 | Classen | 1–0 | Schmidt | ODJM B 2025 | Scandinavian Defense: Richter Variation | |
| Jun 9, 2025 | Schmitt | ½–½ | Classen | ODJM B 2025 | Rapport-Jobava System | |
| Jun 8, 2025 | Fize | 1–0 | Classen | ODJM B 2025 | Rapport-Jobava System | |
| Jun 8, 2025 | Classen | 0–1 | Thoms | ODJM B 2025 | Italian Game: Two Knights Defense, Polerio Defense, Bogoljubow Variation | |
| Apr 13, 2025 | El Zein | 1–0 | Classen | Round 1: El Zein, Zayne-Eddine - Classen, Miguel | French Defense: King's Indian Attack | |
| May 25, 2024 | Classen | 0–1 | Hantke | ODJM C 2024 | Queen's Indian Defense: Capablanca Variation | |
| May 24, 2024 | Salim | 0–1 | Classen | ODJM C 2024 | Scandinavian Defense: Main Line, Mieses Variation | |
| May 23, 2024 | Classen | ½–½ | Classen | ODJM C 2024 | Vienna Game: Vienna Gambit | |
| May 22, 2024 | Classen | 1–0 | Stopp | ODJM C 2024 | Italian Game: Classical Variation, Greco Gambit, Anderssen Variation | |
| May 22, 2024 | Weibrecht | 0–1 | Classen | ODJM C 2024 | Indian Defense: Anti-Nimzo-Indian | |
| May 21, 2024 | Polster | 1–0 | Classen | ODJM C 2024 | French Defense: Exchange Variation | |
| May 20, 2024 | Classen | 1–0 | Yarmish | ODJM C 2024 | Alekhine Defense: Exchange Variation | |
| May 19, 2024 | Classen | 1–0 | Lau | ODJM C 2024 | Sicilian Defense: Alapin Variation | |
| May 19, 2024 | Fischer | 0–1 | Classen | ODJM C 2024 | Rapport-Jobava System | |
| — | Classen | 0–1 | Dimitrov | Round 2: Classen, Miguel - Dimitrov, Georgi Y | Italian Game: Two Knights Defense, Polerio Defense, Bogoljubow Variation | |
| — | Classen | 0–1 | Marinidis | Round 5: Classen, Miguel - Marinidis, Stavros | Italian Game: Scotch Gambit, Anderssen Attack | |
| — | Gioras | ½–½ | Classen | Round 1: Gioras, Ioannis - Classen, Miguel | French Defense: Tarrasch Variation, Open System | |