| Jun 14, 2026 | Schuetze | 0–1 | Klein | Round 5: Schuetze, Norman - Klein, Timon | Caro-Kann Defense: Classical Variation, Lobron System | |
| Oct 18, 2025 | Klein | 1–0 | Teschler | Runde 9: Klein, Timon - Teschler, Ansgar | Vienna Game: Falkbeer Variation | |
| Oct 17, 2025 | Klein | 0–1 | Staub | Runde 8: Klein, Timon - Staub, Tom | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Oct 16, 2025 | Michalicek | 0–1 | Klein | Runde 7: Michalicek, Roland - Klein, Timon | Caro-Kann Defense: Advance Variation | |
| Oct 15, 2025 | Schwarz | 1–0 | Klein | Runde 6: Schwarz, David - Klein, Timon | Queen's Pawn Game | |
| Oct 14, 2025 | Klein | ½–½ | Klemenz | Runde 5: Klein, Timon - Klemenz, Luca | Four Knights Game: Gunsberg Variation | |
| Oct 13, 2025 | Siddharth | 0–1 | Klein | Runde 4: Siddharth, Gopakumar - Klein, Timon | Caro-Kann Defense: Tartakower Variation | |
| Oct 12, 2025 | Klein | ½–½ | Cassel | Runde 2: Klein, Timon - Cassel, Silas | Vienna Game: Mieses Variation | |
| Oct 11, 2025 | Mann | 1–0 | Klein | Runde 1: Mann, Gergely - Klein, Timon | Queen's Pawn Game: Chigorin Variation, Irish Gambit | |
| Jun 9, 2025 | Klein | 0–1 | Li | Round 7: Klein, Timon - Li, Hewei | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Jun 9, 2025 | Restorff | 1–0 | Klein | Round 6: Restorff, Felix - Klein, Timon | Queen's Pawn Game: Colle System | |
| Jun 8, 2025 | Klein | ½–½ | Breitkopf-Lazar | Round 5: Klein, Timon - Breitkopf-Lazar, Patrick-Robert | Vienna Game: Vienna Gambit, Bardeleben Variation | |
| Jun 8, 2025 | Langner | 0–1 | Klein | Round 4: Langner, Jasper - Klein, Timon | Caro-Kann Defense: Karpov Variation, Modern Variation | |
| Jun 7, 2025 | Klein | ½–½ | Kleinschroth | Round 3: Klein, Timon - Kleinschroth, Roland | Lion Defense: Anti-Philidor, Lion's Cave | |
| Jun 7, 2025 | Klein | 1–0 | Arts | Round 2: Klein, Timon - Arts, Stefan | Vienna Game: Vienna Gambit | |
| Jun 6, 2025 | Heilmann | 0–1 | Klein | Round 1: Heilmann, Elsa - Klein, Timon | Nimzo-Indian Defense: Classical Variation, Keres Defense | |
