| Nov 1, 2025 | Neumann | 1–0 | Schacht | Runde 7: Neumann, Mattis - Schacht, Malte | Scandinavian Defense: Modern Variation | |
| Nov 1, 2025 | Westerhoff | 1–0 | Neumann | Runde 6: Westerhoff, Ralf - Neumann, Mattis | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Nov 1, 2025 | Neumann | 1–0 | Geib | Runde 5: Neumann, Mattis - Geib, Niklas | Italian Game: Scotch Gambit, Walbrodt-Baird Gambit | |
| Oct 31, 2025 | Neumann | 1–0 | Spielfrei | Runde 4: Neumann, Mattis - Spielfrei | ? | |
| Oct 31, 2025 | Wessels | 1–0 | Neumann | Runde 3: Wessels, Keke - Neumann, Mattis | Rapport-Jobava System | |
| Oct 30, 2025 | Neumann | 0–1 | Visschers | Runde 2: Neumann, Mattis - Visschers, Fred | Petrov's Defense | |
| Oct 30, 2025 | Janssen | 1–0 | Neumann | Runde 1: Janssen, Soeren - Neumann, Mattis | Sicilian Defense: Closed | |
| Nov 3, 2024 | Knorr | 1–0 | Neumann | Round 7: Knorr, Frank - Neumann, Mattis | English Opening: Anglo-Indian Defense, Queen's Knight Variation | |
| Nov 2, 2024 | Neumann | 1–0 | Limper | Round 6: Neumann, Mattis - Limper, Cornelia | Scandinavian Defense: Modern Variation | |
| Nov 2, 2024 | Saloum | 0–1 | Neumann | Round 5: Saloum, Michael - Neumann, Mattis | Sicilian Defense: Closed | |
| Nov 1, 2024 | Neumann | 0–1 | Rabe | Round 4: Neumann, Mattis - Rabe, Elina | Italian Game: Classical Variation | |
| Nov 1, 2024 | Wilting | 1–0 | Neumann | Round 3: Wilting, Oskar - Neumann, Mattis | Rapport-Jobava System | |
| Oct 31, 2024 | Neumann | 0–1 | Schacht | Round 2: Neumann, Mattis - Schacht, Malte | Sicilian Defense: Morphy Gambit, Andreaschek Gambit | |
| Oct 31, 2024 | Kamps | 1–0 | Neumann | Round 1: Kamps, Manuel - Neumann, Mattis | Sicilian Defense: Four Knights Variation | |
| — | Neumann | 0–1 | Aziz | Round 1: Neumann, Mattis - Aziz, Hossam | French Defense: Classical Variation, Delayed Exchange Variation | |
| — | Neumann | 1–0 | Buergener | Round 3: Neumann, Mattis - Buergener, Axel | Scandinavian Defense: Valencian Variation | |
| — | Neumann | 0–1 | Czubek | Round 5: Neumann, Mattis - Czubek, Luca Sebastian | Sicilian Defense: Smith-Morra Gambit Accepted | |
| — | Neumann | ½–½ | Laun | Round 7: Neumann, Mattis - Laun, Kurt | Sicilian Defense: Smith-Morra Gambit Accepted, Scheveningen Formation | |
| — | Schulze | 1–0 | Neumann | Round 2: Schulze, Jonas - Neumann, Mattis | Sicilian Defense: Four Knights Variation | |
| — | Koldunov | 0–1 | Neumann | Round 4: Koldunov, Elena - Neumann, Mattis | Sicilian Defense: Taimanov Variation, American Attack | |
| — | Kuper | 1–0 | Neumann | Round 6: Kuper, Ben - Neumann, Mattis | Sicilian Defense: Alapin Variation | |