| Oct 5, 2025 | Mueller | 1–0 | Lievenbruck | Round 5: Mueller, Kai - Lievenbruck, Matthias | Caro-Kann Defense: Two Knights Attack | |
| Oct 4, 2025 | Hansen | 1–0 | Mueller | Round 4: Hansen, Peter - Mueller, Kai | Vienna Game: Vienna Gambit, Paulsen Attack | |
| Oct 4, 2025 | Mueller | ½–½ | Menke | Round 3: Mueller, Kai - Menke, Raphael Wilhelm | Scotch Game: Mieses Variation | |
| Oct 3, 2025 | Kotyk | 1–0 | Mueller | Round 2: Kotyk, Michael - Mueller, Kai | Scotch Game: Schmidt Variation | |
| Oct 3, 2025 | Mueller | 1–0 | Lieb | Round 1: Mueller, Kai - Lieb, Max | French Defense: Winawer Variation, Advance Variation | |
| Jun 1, 2025 | Heimbrodt | 0–1 | Mueller | Round 7: Heimbrodt, Birk - Mueller, Kai | Scotch Game: Schmidt Variation | |
| May 31, 2025 | Mueller | 1–0 | Persson | Round 6: Mueller, Kai - Persson, Torbjoern | Scotch Game: Mieses Variation | |
| May 31, 2025 | Hansen | 1–0 | Mueller | Round 5: Hansen, Peter - Mueller, Kai | Vienna Game: Vienna Gambit, Paulsen Attack | |
| May 30, 2025 | Mueller | ½–½ | Sadeghpour | Round 4: Mueller, Kai - Sadeghpour, Alireza | French Defense: Burn Variation | |
| May 29, 2025 | Mueller | 1–0 | Kathage | Round 2: Mueller, Kai - Kathage, Holger | Sicilian Defense: Scheveningen Variation, Classical Variation | |
| May 29, 2025 | Veelders | 0–1 | Mueller | Round 1: Veelders, Sarah - Mueller, Kai | Scotch Game: Schmidt Variation | |
| May 24, 2025 | Carlstedt | 1–0 | Mueller | Round 3: Carlstedt, Jonathan - Mueller, Kai | Nimzo-Larsen Attack: Classical Variation | |
