| — | Kitze | ½–½ | Kozul | new tournament description | Neo-Grünfeld Defense: Ultra-Delayed Exchange Variation | |
| — | Semling | 0–1 | Kitze | new tournament description | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations | |
| Jul 22, 2026 | Van den Bosch | ½–½ | Kitze | Round 9: Van den Bosch, Arno - Kitze, Alexander | Sicilian Defense: O'Kelly Variation, Maróczy Bind, Geller Line | |
| Jul 21, 2026 | Venkataramanan | 1–0 | Kitze | Round 8: Venkataramanan, T.S. - Kitze, Alexander | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jul 21, 2026 | Kitze | 1–0 | Jasper De Jong | Round 7: Kitze, Alexander - Jasper De Jong | King's Indian Attack, with e6 | |
| Jul 20, 2026 | Lumachi | 1–0 | Kitze | Round 6: Lumachi, Gabriele - Kitze, Alexander | English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense | |
| Jul 20, 2026 | Kitze | 1–0 | Ghyselen | Round 5: Kitze, Alexander - Ghyselen, Wouter | King's Indian Defense: Fianchetto Variation, Kavalek Defense | |
| Jul 19, 2026 | Sosef | 0–1 | Kitze | Round 4: Sosef, Noah - Kitze, Alexander | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Jul 18, 2026 | Paludan | ½–½ | Kitze | Round 2: Paludan, Noah - Kitze, Alexander | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations | |
| Jul 18, 2026 | Kitze | 1–0 | Vagenende | Round 1: Kitze, Alexander - Vagenende, Lars | Zukertort Opening: Reversed Grünfeld | |
| Jun 21, 2026 | Kitze | ½–½ | Aepfler | Round 9: Kitze, Alexander - Aepfler, Christian | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Jun 21, 2026 | Braun | 0–1 | Kitze | Round 8: Braun, Michael - Kitze, Alexander | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| Jun 21, 2026 | Kitze | ½–½ | Koppe | Round 7: Kitze, Alexander - Koppe, Connor | Zukertort Opening: Sicilian Invitation | |
| Jun 21, 2026 | Brunke | 1–0 | Kitze | Round 6: Brunke, Pascal - Kitze, Alexander | Indian Defense: Accelerated London System | |
| Jun 20, 2026 | Kitze | ½–½ | Bracker | Round 5: Kitze, Alexander - Bracker, Frank | Zukertort Opening | |
| Jun 20, 2026 | Renner | 1–0 | Kitze | Round 4: Renner, Kai - Kitze, Alexander | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Jun 20, 2026 | Kitze | ½–½ | Donchenko | Round 3: Kitze, Alexander - Donchenko, Alexander | King's Indian Attack: Spassky Variation | |
| Jun 20, 2026 | Stork | 1–0 | Kitze | Round 2: Stork, Oliver - Kitze, Alexander | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Jun 20, 2026 | Kitze | 1–0 | Schuh | Round 1: Kitze, Alexander - Schuh, Felix | Zukertort Opening: Kingside Fianchetto | |
| Apr 4, 2026 | Kitze | 0–1 | Schmidek | Grenke Chess Festival 2026 Open | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Apr 3, 2026 | Kitze | 0–1 | Firman | Grenke Chess Festival 2026 Open | King's Indian Attack: Sicilian Variation | |
| Nov 16, 2025 | Kitze | 0–1 | Finek | Round 10: Kitze, Alexander - Finek, Vaclav | Zukertort Opening: Sicilian Invitation | |
| Nov 16, 2025 | Vardanyan | 0–1 | Kitze | Round 9: Vardanyan, Aras - Kitze, Alexander | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Nov 15, 2025 | Kitze | 0–1 | Henning | Round 6: Kitze, Alexander - Henning, Marvin | Zukertort Opening: Kingside Fianchetto | |
| Nov 14, 2025 | Buckels | 1–0 | Kitze | Round 10 & Quarterfinals: Buckels, Valentin - Kitze, Alexander | Neo-Grünfeld Defense: Classical Variation, Modern Defense | |
| Nov 14, 2025 | Hagner | 1–0 | Kitze | Round 8: Hagner, Bennet - Kitze, Alexander | Sicilian Defense: Richter-Rauzer Variation | |
| Nov 14, 2025 | Kitze | 1–0 | Pultinevicius | Round 7: Kitze, Alexander - Pultinevicius, Paulius | King's Indian Attack: Keres Variation | |
| Nov 14, 2025 | Alexakis | 1–0 | Kitze | Round 5: Alexakis, Dimitris - Kitze, Alexander | Sicilian Defense: Richter-Rauzer Variation | |
| Apr 21, 2025 | Shagbazyan | 1–0 | Kitze | Round 8: Shagbazyan, Taron - Kitze, Alexander | Grünfeld Defense: Russian Variation | |
| Apr 20, 2025 | Kitze | ½–½ | Karsay | Round 7: Kitze, Alexander - Karsay, Pascal | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Jul 13, 2024 | Kula | ½–½ | Kitze | Round 5: Kula, Dominik - Kitze, Alexander | Sicilian Defense: Moscow Variation, Sokolsky Variation | |
| Jul 11, 2024 | Kitze | ½–½ | Finek | Round 4: Kitze, Alexander - Finek, Vaclav | Neo-Grünfeld Defense: Classical Variation, Modern Defense | |
| Mar 31, 2024 | Wachinger | 1–0 | Kitze | Grenke Chess Open 2024 | Sicilian Defense: Moscow Variation, Sokolsky Variation | |
| Mar 30, 2024 | Moss | 0–1 | Kitze | Grenke Open | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations | |