| Apr 18, 2025 | Steven | ½–½ | Koenig | Runde 9: Steven, Matthias - Koenig, Felix | Caro-Kann Defense: Two Knights Attack | |
| Apr 17, 2025 | Koenig | 1–0 | Schmidt | Runde 8: Koenig, Felix - Schmidt, Marieke | Queen's Pawn Game: Colle System | |
| Apr 16, 2025 | Krueger | 0–1 | Koenig | Runde 7: Krueger, Felix - Koenig, Felix | Caro-Kann Defense: Maróczy Variation | |
| Apr 16, 2025 | Koenig | 0–1 | Fize | Runde 6: Koenig, Felix - Fize, Aleksandrs | Queen's Pawn Game: Zukertort Variation | |
| Apr 15, 2025 | Reinecke | 1–0 | Koenig | Runde 5: Reinecke, Marten - Koenig, Felix | Queen's Gambit Declined: Tarrasch Defense | |
| Apr 14, 2025 | Roll | ½–½ | Koenig | Runde 4: Roll, Jasper - Koenig, Felix | Rapport-Jobava System | |
| Apr 13, 2025 | Koenig | 1–0 | Held | Runde 3: Koenig, Felix - Held, Enna | Pirc Defense | |
| Apr 13, 2025 | Rauschel | 1–0 | Koenig | Runde 2: Rauschel, Maximilian - Koenig, Felix | Tarrasch Defense | |
| Apr 11, 2025 | Koenig | 0–1 | Bangert | Round 1: Koenig, Felix - Bangert, Jonas | Yusupov-Rubinstein System | |
| Jul 28, 2024 | Koenig | 1–0 | Lorek | Round 7: Koenig, Felix - Lorek, Peter | Queen's Pawn Game: Colle System | |
| Jul 28, 2024 | Wahl | 1–0 | Koenig | Round 6: Wahl, Bernhard - Koenig, Felix | French Defense: Advance Variation | |
| Jul 27, 2024 | Koenig | 1–0 | Wilke | Round 5: Koenig, Felix - Wilke, Guenter | Modern Defense: Two Knights Variation | |
| Jul 27, 2024 | Backert | 1–0 | Koenig | Round 4: Backert, Gerhard - Koenig, Felix | Bird Opening: Dutch Variation | |
| Jul 26, 2024 | Koenig | ½–½ | Osmers | Round 3: Koenig, Felix - Osmers, Julian | Queen's Pawn Game: Colle System | |
| Jul 26, 2024 | Wengel | 0–1 | Koenig | Round 2: Wengel, Julian - Koenig, Felix | Sicilian Defense: Old Sicilian | |
| Jul 25, 2024 | Koenig | 0–1 | Keller | Round 1: Koenig, Felix - Keller, Reinhold | Slav Defense: Quiet Variation, Pin Defense | |
| Dec 29, 2024 | Wilk | 1–0 | Koenig | Round 5: Wilk, Clemens - Koenig, Felix | Tarrasch Defense: Symmetrical Variation | |
| — | Koenig | ½–½ | Hoeggemeier | Round 2: Koenig, Felix - Hoeggemeier, Anton Heinrich | Queen's Pawn Game: Zukertort Variation | |
| — | Koenig | 1–0 | Wehrmann | Round 4: Koenig, Felix - Wehrmann, Jens | Queen's Pawn Game: Colle System | |
| — | Koenig | 1–0 | Czubek | Round 6: Koenig, Felix - Czubek, Luca Sebastian | Indian Defense | |
| — | Kroemker | 1–0 | Koenig | Round 1: Kroemker, Niels - Koenig, Felix | Queen's Gambit Declined | |
| — | Held | ½–½ | Koenig | Round 3: Held, Enna - Koenig, Felix | Indian Defense | |
| — | Schmidt | 0–1 | Koenig | Round 5: Schmidt, Marieke - Koenig, Felix | Caro-Kann Defense: Exchange Variation | |
| — | Lueders Vega | ½–½ | Koenig | Round 7: Lueders Vega, Iago Ernst - Koenig, Felix | Sicilian Defense: Alapin Variation | |
