| — | Krause | ½–½ | Hebbinghaus | Grenke Open | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| May 17, 2026 | Hebbinghaus | ½–½ | Mandelkow | Runde 7: Hebbinghaus, Holger - Mandelkow, Elias | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |
| May 16, 2026 | Ploog | ½–½ | Hebbinghaus | Runde 6: Ploog, Martin, Dr. - Hebbinghaus, Holger | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| May 16, 2026 | Hebbinghaus | 1–0 | Lebiedz | Runde 5: Hebbinghaus, Holger - Lebiedz, Oliver | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| May 15, 2026 | Schoenrock | ½–½ | Hebbinghaus | Runde 4: Schoenrock, Elia - Hebbinghaus, Holger | Queen's Pawn Game: London System | |
| May 15, 2026 | Hebbinghaus | ½–½ | Al Amin | Runde 3: Hebbinghaus, Holger - Al Amin, Sami | Caro-Kann Defense: Exchange Variation | |
| May 14, 2026 | Schiller | 0–1 | Hebbinghaus | Runde 2: Schiller, Thomas - Hebbinghaus, Holger | Caro-Kann Defense: Panov Attack, Fianchetto Defense | |
| May 14, 2026 | Hebbinghaus | 1–0 | Junge | Round 1: Hebbinghaus, Holger - Junge, Julia Marie | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Mar 29, 2026 | Hebbinghaus | ½–½ | Scheffner | Round 7: Hebbinghaus, Holger - Scheffner, Axel, Dr. | Caro-Kann Defense: Exchange Variation | |
| Mar 29, 2026 | von Zimmermann | ½–½ | Hebbinghaus | Round 6: von Zimmermann, Georg - Hebbinghaus, Holger | Queen's Pawn Game: Accelerated London System | |
| Mar 28, 2026 | Hebbinghaus | ½–½ | Van der Velden | Round 5: Hebbinghaus, Holger - Van der Velden, Bram | Sicilian Defense: Delayed Alapin Variation | |
| Mar 28, 2026 | Kniest | ½–½ | Hebbinghaus | Round 4: Kniest, Oliver - Hebbinghaus, Holger | Queen's Gambit Declined | |
| Mar 27, 2026 | Hebbinghaus | 1–0 | Browning | Round 3: Hebbinghaus, Holger - Browning, Rebecca | French Defense: Exchange Variation | |
| Mar 27, 2026 | Hebbinghaus | ½–½ | Arslan | Round 2: Hebbinghaus, Holger - Arslan, Berkan | Caro-Kann Defense: Exchange Variation | |
| Mar 26, 2026 | Schaller | ½–½ | Hebbinghaus | Round 1: Schaller, Torsten, Dr. - Hebbinghaus, Holger | Caro-Kann Defense: Tartakower Variation | |
| May 12, 2024 | Ploog | ½–½ | Hebbinghaus | 3. Itzehoer Schach Open | English Opening: Agincourt Defense, Catalan Defense Accepted | |
| May 11, 2024 | Hebbinghaus | ½–½ | Martin | 3. Itzehoer Schach Open | Caro-Kann Defense: Exchange Variation | |
| May 11, 2024 | Helms | ½–½ | Hebbinghaus | 3. Itzehoer Schach Open | Caro-Kann Defense: Tartakower Variation | |
| May 10, 2024 | Hebbinghaus | ½–½ | Mandelkow | 3. Itzehoer Schach Open | Caro-Kann Defense: Exchange Variation | |
| May 10, 2024 | Trapp | 0–1 | Hebbinghaus | 3. Itzehoer Schach Open | Queen's Pawn Game | |
| May 9, 2024 | Hebbinghaus | 1–0 | Heimbrodt | 3. Itzehoer Schach Open | Scandinavian Defense: Classical Variation | |
| May 9, 2024 | Junge | 0–1 | Hebbinghaus | 3. Itzehoer Schach Open | Caro-Kann Defense: Exchange Variation | |
| Mar 30, 2024 | Hebbinghaus | 0–1 | Holtel | Grenke Open | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Mar 30, 2024 | Stelmaszyk | 1–0 | Hebbinghaus | Grenke Open | Caro-Kann Defense: Two Knights Attack | |
| Oct 31, 2024 | Hebbinghaus | 0–1 | Wilmink | Round 1: Hebbinghaus, Holger - Wilmink, Anna | ? | |
