| Dec 30, 2025 | Naumann | 1–0 | Giacometto | Round 7: Naumann, Felix - Giacometto, Mario | Queen's Pawn Game: Accelerated London System | |
| Dec 30, 2025 | Naumann | ½–½ | Beckers | Round 6: Naumann, Felix - Beckers, Tim | Indian Defense | |
| Dec 29, 2025 | Pogorelow | 0–1 | Naumann | Round 5: Pogorelow, Benjamin - Naumann, Felix | Dutch Defense: Normal Variation | |
| Dec 29, 2025 | Naumann | * | Nopper | Round 4: Naumann, Felix - Nopper, Louis | Indian Defense | |
| Dec 28, 2025 | Meisters | 0–1 | Naumann | Round 3: Meisters, Leon - Naumann, Felix | Dutch Defense: Queen's Knight Variation | |
| Dec 28, 2025 | Naumann | 0–1 | Pfaar | Round 2: Naumann, Felix - Pfaar, Zeno | Indian Defense | |
| Dec 27, 2025 | Stratenwerth | 0–1 | Naumann | Round 1: Stratenwerth, Gerhard - Naumann, Felix | Dutch Defense | |
| Jun 9, 2025 | Naumann | 1–0 | Becciu | Round 7: Naumann, Felix - Becciu, Paolo | Indian Defense | |
| Jun 9, 2025 | Truskawa | ½–½ | Naumann | Round 6: Truskawa, Adrian - Naumann, Felix | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jun 8, 2025 | Naumann | * | Langner | Round 5: Naumann, Felix - Langner, Jasper | Queen's Pawn Game: Accelerated London System | |
| Jun 8, 2025 | Panjer | 1–0 | Naumann | Round 4: Panjer, Sidney - Naumann, Felix | Dutch Defense: Queen's Knight Variation | |
| Jun 7, 2025 | Naumann | 1–0 | Thiemann | Round 3: Naumann, Felix - Thiemann, Marc | Indian Defense | |
| Jun 7, 2025 | Xue | ½–½ | Naumann | Round 2: Xue, Luka - Naumann, Felix | Dutch Defense: Hopton Attack | |
| Dec 30, 2024 | Markgraf | 1–0 | Naumann | Round 7: Markgraf, Jonas - Naumann, Felix | Dutch Defense: Raphael Variation | |
| Dec 30, 2024 | Naumann | * | Borkhardt | Round 6: Naumann, Felix - Borkhardt, Arndt | Queen's Pawn Game: Accelerated London System | |
| Dec 29, 2024 | Boustany | 0–1 | Naumann | Round 5: Boustany, Georges - Naumann, Felix | English Opening: Anglo-Dutch Defense | |
| Dec 29, 2024 | Naumann | * | Preuschoff | Round 4: Naumann, Felix - Preuschoff, Michael | Horwitz Defense | |
| Dec 28, 2024 | Harutyunyan | 1–0 | Naumann | Round 3: Harutyunyan, Axel - Naumann, Felix | Sicilian Defense: Wing Gambit, Marshall Variation | |
| Dec 28, 2024 | Naumann | 1–0 | Beckers | Round 2: Naumann, Felix - Beckers, Tim | Queen's Pawn Game: Accelerated London System | |
| Dec 27, 2024 | Keilholz | * | Naumann | Round 1: Keilholz, Tobias - Naumann, Felix | ? | |
| Aug 16, 2024 | Adam | 1–0 | Naumann | Round 6: Adam, Dario - Naumann, Felix | Sicilian Defense: Wing Gambit | |
| Aug 15, 2024 | Albrandt | 0–1 | Naumann | Round 5: Albrandt, Lennart - Naumann, Felix | Sicilian Defense: Smith-Morra Gambit | |
| Aug 14, 2024 | Naumann | ½–½ | Verlaine | Round 4: Naumann, Felix - Verlaine, Alexandre | Benoni Defense: Benoni-Indian Defense | |
| Jul 21, 2022 | Karpenko | * | Naumann | open | ? | |
| Jul 19, 2022 | Boesel | * | Naumann | open | ? | |
| — | Naumann | 1–0 | Heinzel | Round 3: Naumann, Felix - Heinzel, Thomas | Queen's Pawn Game: Accelerated London System | |
| — | Naumann | 0–1 | Peter | Round 5: Naumann, Felix - Peter, Thomas | Horwitz Defense | |
| — | Naumann | 0–1 | Werner | Round 7: Naumann, Felix - Werner, Martin, Dr. | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit, Morris Countergambit Accepted | |
| — | Gong | ½–½ | Naumann | Round 4: Gong, Gregory - Naumann, Felix | Sicilian Defense: Four Knights Variation, Cobra Variation | |
| — | Geist | 0–1 | Naumann | Round 6: Geist, Denis - Naumann, Felix | Sicilian Defense: Four Knights Variation, Cobra Variation | |
