| Apr 12, 2026 | Niehaus | ½–½ | Jahnz | Round 9: Niehaus, Frank - Jahnz, Fabian | Petrov's Defense: Modern Attack, Center Attack | |
| Apr 11, 2026 | Jahnz | 0–1 | Hesse | Round 8: Jahnz, Fabian - Hesse, Henrik | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Apr 10, 2026 | Lagunow | ½–½ | Jahnz | Round 7: Lagunow, Alexander - Jahnz, Fabian | Petrov's Defense: Classical Attack | |
| Apr 9, 2026 | Jahnz | ½–½ | Foerster | Round 6: Jahnz, Fabian - Foerster, Jonas | Sicilian Defense: Alapin Variation | |
| Apr 8, 2026 | Matviienko | ½–½ | Jahnz | Round 5: Matviienko, Mykhailo - Jahnz, Fabian | Réti Opening: Anglo-Slav Variation, New York System | |
| Apr 7, 2026 | Jahnz | ½–½ | Nguyen | Round 4: Jahnz, Fabian - Nguyen, Phuc Nhat | Zukertort Opening | |
| Apr 6, 2026 | Verbitsky | 0–1 | Jahnz | Round 3: Verbitsky, Jaroslaw - Jahnz, Fabian | Sicilian Defense: Closed, Anti-Sveshnikov Variation, with Nf6 | |
| Apr 5, 2026 | Jahnz | 0–1 | Lauber | Round 2: Jahnz, Fabian - Lauber, Arnd | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Apr 4, 2026 | Brau | 0–1 | Jahnz | Round 1: Brau, Luca - Jahnz, Fabian | English Opening: King's English Variation | |
| Apr 27, 2025 | Krefenstein | 0–1 | Jahnz | Round 9: Krefenstein, Sergej - Jahnz, Fabian | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Apr 26, 2025 | Niehaus | 0–1 | Jahnz | Round 8: Niehaus, Frank - Jahnz, Fabian | Queen's Gambit Declined: Three Knights Variation | |
| Apr 25, 2025 | Jahnz | 0–1 | Ermitsch | Round 7: Jahnz, Fabian - Ermitsch, Magnus | Sicilian Defense: Moscow Variation, Main Line | |
| Apr 24, 2025 | Jahnz | 1–0 | Vollmar | Round 6: Jahnz, Fabian - Vollmar, Timo | Sicilian Defense: Old Sicilian | |
| Apr 23, 2025 | Verbitsky | ½–½ | Jahnz | Round 5: Verbitsky, Jaroslaw - Jahnz, Fabian | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Apr 22, 2025 | Jahnz | 1–0 | Kreutz | Round 4: Jahnz, Fabian - Kreutz, Jonas | Sicilian Defense: Closed | |
| Apr 21, 2025 | Rose | 1–0 | Jahnz | Round 3: Rose, Daniel - Jahnz, Fabian | Benoni Defense: King's Pawn Line | |
| Apr 20, 2025 | Jahnz | ½–½ | Heerde | Round 2: Jahnz, Fabian - Heerde, Thomas | Sicilian Defense: Hyperaccelerated Fianchetto | |
| Apr 19, 2025 | Ahmadinia | 1–0 | Jahnz | Round 1: Ahmadinia, Ebrahim - Jahnz, Fabian | Scandinavian Defense: Valencian Variation, Main Line | |
| Nov 3, 2024 | Preissler | ½–½ | Jahnz | Round 9: Preissler, Niklas - Jahnz, Fabian | English Opening: Caro-Kann Defensive System | |
| Nov 2, 2024 | Jahnz | ½–½ | Sajka | Round 8: Jahnz, Fabian - Sajka, Noah | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Nov 1, 2024 | Oyberman | ½–½ | Jahnz | Round 7: Oyberman, Iliia - Jahnz, Fabian | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Oct 31, 2024 | Jahnz | 1–0 | Basener | Round 6: Jahnz, Fabian - Basener, Winfried | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Oct 27, 2024 | Jahnz | ½–½ | Kannenberg | Round 2: Jahnz, Fabian - Kannenberg, Karl-Heinz | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Apr 6, 2024 | Schmidek | 1–0 | Jahnz | Round 8: Schmidek, Emil - Jahnz, Fabian | Queen's Gambit Accepted: Central Variation, McDonnell Defense | |
| Jul 10, 2022 | Reuker | 1–0 | Jahnz | Schachbundesliga | Slav Defense: Breyer Variation | |
| Jul 9, 2022 | Jahnz | 0–1 | Buckels | Schachbundesliga | Caro-Kann Defense: Exchange Variation | |
| Jul 9, 2022 | Schmidek | ½–½ | Jahnz | Schachbundesliga | Queen's Gambit Accepted: Central Variation, Modern Defense | |
