| Jan 5, 2026 | Ramme | ½–½ | Ernst | Runde 7: Ramme, Georg - Ernst, Holger | London System | |
| Jan 4, 2026 | Ernst | 0–1 | Rabe | Runde 6: Ernst, Holger - Rabe, Elina | Modern Defense | |
| Jan 4, 2026 | Fendel | 1–0 | Ernst | Runde 5: Fendel, Arsenij - Ernst, Holger | English Opening: Anglo-Indian Defense | |
| Jan 3, 2026 | Ernst | 0–1 | Knorr | Runde 4: Ernst, Holger - Knorr, Frank | Modern Defense | |
| Jan 3, 2026 | Meier | ½–½ | Ernst | Runde 3: Meier, Marian - Ernst, Holger | Indian Defense: Accelerated London System | |
| Jan 2, 2026 | Ernst | * | Kewe | Runde 2: Ernst, Holger - Kewe, Stefan | ? | |
| Jan 2, 2026 | Cordes | 0–1 | Ernst | Runde 1: Cordes, Michael - Ernst, Holger | Indian Defense: Wade-Tartakower Defense | |
| Jan 5, 2025 | Ernst | 0–1 | Remizov | Round 7: Ernst, Holger - Remizov, Kyryl | Caro-Kann Defense: Tartakower Variation | |
| Jan 4, 2025 | Ernst | ½–½ | Bartel | Round 5: Ernst, Holger - Bartel, Reinhard | Sicilian Defense: Kan Variation | |
| Jan 4, 2025 | Wachtel | 0–1 | Ernst | Round 6: Wachtel, Edwin - Ernst, Holger | Benko Gambit | |
| Jan 3, 2025 | Berkenkamp | 1–0 | Ernst | Round 3: Berkenkamp, Matthis - Ernst, Holger | King's Indian Defense: Fianchetto Variation, Classical Fianchetto | |
| Jan 3, 2025 | Kanzenbach | 1–0 | Ernst | Round 4: Kanzenbach, Moritz - Ernst, Holger | Pirc Defense: Austrian Attack, Unzicker Attack | |
| Jan 2, 2025 | Ernst | ½–½ | Schoene | Round 2: Ernst, Holger - Schoene, Finn | Sicilian Defense: Taimanov Variation | |
| Jan 7, 2023 | Ernst | ½–½ | Rachner | Lower Saxony Championship | B | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jan 7, 2023 | Wildner | ½–½ | Ernst | Lower Saxony Championship | B | Benko Gambit | |
| Jan 5, 2023 | Ernst | ½–½ | Krneta | Lower Saxony Championship | B | French Defense: Tarrasch Variation, Open System, Süchting Line | |
