| Dec 30, 2025 | Heemann | ½–½ | Brandt | Round 7: Heemann, Jonas - Brandt, Wolfgang | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Dec 29, 2025 | Heemann | 0–1 | Schoenbeck | Round 5: Heemann, Jonas - Schoenbeck, Stephan | Bishop's Opening: Berlin Defense | |
| Dec 29, 2025 | Kirchner | 1–0 | Heemann | Round 4: Kirchner, Michael - Heemann, Jonas | Rubinstein Opening | |
| Dec 28, 2025 | Heemann | 0–1 | Langer | Round 3: Heemann, Jonas - Langer, Paul Georg | Sicilian Defense: Moscow Variation | |
| Dec 28, 2025 | Felde | 1–0 | Heemann | Round 2: Felde, Andreas - Heemann, Jonas | Alekhine Defense: Modern Variation, Larsen-Haakert Variation | |
| Nov 23, 2025 | Heemann | 1–0 | Toksoez | Round 9: Heemann, Jonas - Toksoez, Zeynep Cansel | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Nov 23, 2025 | Heemann | 0–1 | Freiherr von Maltzahn | Round 8: Heemann, Jonas - Freiherr von Maltzahn, Simeon | Sicilian Defense: Open | |
| Nov 23, 2025 | Schlueter | 1–0 | Heemann | Round 7: Schlueter, Justus - Heemann, Jonas | Alekhine Defense: Modern Variation, Main Line | |
| Nov 23, 2025 | Heemann | 0–1 | Zahed | Round 6: Heemann, Jonas - Zahed, Pezhman | Sicilian Defense: Moscow Variation, Main Line | |
| Nov 23, 2025 | Wusterack | 1–0 | Heemann | Round 5: Wusterack, Paul - Heemann, Jonas | Zukertort Opening: Quiet System | |
| Nov 23, 2025 | Meyer | ½–½ | Heemann | Round 4: Meyer, Henrik - Heemann, Jonas | Alekhine Defense | |
| Nov 23, 2025 | Heemann | 0–1 | Rocklage | Round 3: Heemann, Jonas - Rocklage, Jeromin | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Nov 23, 2025 | Rixe | 0–1 | Heemann | Round 2: Rixe, Finn Ole - Heemann, Jonas | Pirc Defense: Austrian Attack | |
| Nov 23, 2025 | Heemann | 0–1 | Bartelt | Round 1: Heemann, Jonas - Bartelt, Max Peter | French Defense: Exchange Variation | |
| Nov 22, 2025 | Heemann | ½–½ | Rixe | Round 9: Heemann, Jonas - Rixe, Finn Ole | Four Knights Game: Italian Variation | |
| Nov 22, 2025 | Suraj Sahu | 1–0 | Heemann | Round 8: Suraj Sahu - Heemann, Jonas | Alekhine Defense | |
| Nov 22, 2025 | Heemann | 1–0 | Montag | Round 7: Heemann, Jonas - Montag, Jan | Scandinavian Defense: Marshall Variation | |
| Nov 22, 2025 | Fung | 0–1 | Heemann | Round 6: Fung, Oliver Yat-Sing - Heemann, Jonas | Nimzo-Indian Defense: Normal Variation, Schlechter Defense | |
| Nov 22, 2025 | Heemann | 0–1 | Knospe | Round 5: Heemann, Jonas - Knospe, Tobias | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Nov 22, 2025 | Fortmann | 0–1 | Heemann | Round 4: Fortmann, Johannes - Heemann, Jonas | Pirc Defense: Classical Variation | |
| Nov 22, 2025 | Heemann | 0–1 | Grossmann | Round 3: Heemann, Jonas - Grossmann, Hannah | Bishop's Opening: Vienna Hybrid, Spielmann Attack | |
| Nov 22, 2025 | Roessler | 1–0 | Heemann | Round 2: Roessler, Jeremy Jason - Heemann, Jonas | Indian Defense | |
| Nov 22, 2025 | Heemann | 0–1 | Nied | Round 1: Heemann, Jonas - Nied, Pascal | French Defense: Exchange Variation | |