| Apr 3, 2026 | Haverlandt | 0–1 | Krueger | Landesjugendeinzelmeisterschaft in Niedersachsen U16 | French Defense: Classical Variation, Shirov-Anand Variation | |
| Apr 2, 2026 | Holtwessels | 1–0 | Haverlandt | Landesjugendeinzelmeisterschaft in Niedersachsen U16 | Caro-Kann Defense: Two Knights Attack, Mindeno Variation | |
| Apr 1, 2026 | Haustein | 0–1 | Haverlandt | Landesjugendeinzelmeisterschaft in Niedersachsen U16 | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| Apr 1, 2026 | Haverlandt | 1–0 | Steven | Landesjugendeinzelmeisterschaft in Niedersachsen U16 | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Mar 31, 2026 | Freimuth | 1–0 | Haverlandt | Landesjugendeinzelmeisterschaft in Niedersachsen U16 | Caro-Kann Defense: Two Knights Attack | |
| Mar 30, 2026 | Haverlandt | ½–½ | Buergener | Landesjugendeinzelmeisterschaft in Niedersachsen U16 | Queen's Pawn Game: Accelerated London System | |
| Mar 30, 2026 | Schmidt | 0–1 | Haverlandt | Landesjugendeinzelmeisterschaft in Niedersachsen U16 | Zukertort Opening: Quiet System | |
| Mar 29, 2026 | Haverlandt | ½–½ | Struebel | Landesjugendeinzelmeisterschaft in Niedersachsen U16 | Queen's Pawn Game: Accelerated London System | |
| Mar 28, 2026 | Bangert | ½–½ | Haverlandt | Landesjugendeinzelmeisterschaft in Niedersachsen U16 | Queen's Indian Defense: Classical Variation, Traditional Variation | |
| Jan 5, 2026 | Stammschroer | 0–1 | Haverlandt | Runde 7: Stammschroer, Manfred - Haverlandt, Jannes | ? | |
| Jan 4, 2026 | Haverlandt | ½–½ | Labitzki | Runde 6: Haverlandt, Jannes - Labitzki, Marek | Indian Defense: Accelerated London System | |
| Jan 4, 2026 | Grunwald | 0–1 | Haverlandt | Runde 5: Grunwald, Hannes Leon - Haverlandt, Jannes | Caro-Kann Defense: Tartakower Variation | |
| Jan 3, 2026 | Haverlandt | 1–0 | Schmidt | Runde 4: Haverlandt, Jannes - Schmidt, Aaron Joel | Indian Defense: Accelerated London System | |
| Jan 3, 2026 | Cordes | 0–1 | Haverlandt | Runde 3: Cordes, Michael - Haverlandt, Jannes | Indian Defense: London System | |
| Jan 2, 2026 | Haverlandt | * | Gade | Runde 2: Haverlandt, Jannes - Gade, Bernt | ? | |
| Jan 2, 2026 | Nordhorn | 1–0 | Haverlandt | Runde 1: Nordhorn, Horst - Haverlandt, Jannes | King's Indian Defense: Semi-Averbakh System | |
| Jun 29, 2025 | Haverlandt | ½–½ | Ay | Round 9: Haverlandt, Jannes - Ay, Furkan | Grünfeld Defense: Three Knights Variation, Burille Variation | |
| Jun 29, 2025 | Haverlandt | 0–1 | Rogner | Round 8: Haverlandt, Jannes - Rogner, Fabio | Queen's Pawn Game: London System | |
| Jun 29, 2025 | Juettner | 0–1 | Haverlandt | Round 7: Juettner, Anton - Haverlandt, Jannes | Caro-Kann Defense: Tartakower Variation | |
| Jun 29, 2025 | Haverlandt | 1–0 | Gebauer | Round 6: Haverlandt, Jannes - Gebauer, Dimitri | Queen's Pawn Game: London System | |
| Jun 29, 2025 | Clasen | 1–0 | Haverlandt | Round 5: Clasen, Dirk - Haverlandt, Jannes | Indian Defense: Spielmann-Indian | |
| Jun 29, 2025 | Haverlandt | 1–0 | Christoph Stieler | Round 4: Haverlandt, Jannes - Christoph Stieler | Benoni Defense: Hromádka System | |
| Jun 29, 2025 | Deseke | 0–1 | Haverlandt | Round 3: Deseke, Raphael Diego Linus - Haverlandt, Jannes | Nimzo-Indian Defense | |
| Jun 29, 2025 | Haverlandt | 0–1 | Hampel | Round 2: Haverlandt, Jannes - Hampel, Thomas | Scandinavian Defense: Valencian Variation, Main Line | |
| Jun 29, 2025 | Muendoerfer | 1–0 | Haverlandt | Round 1: Muendoerfer, Sebastian - Haverlandt, Jannes | Indian Defense: Knights Variation | |
| Apr 18, 2025 | Haverlandt | ½–½ | Krueger | Runde 9: Haverlandt, Jannes - Krueger, Moritz | French Defense: Tarrasch Variation, Morozevich Variation | |
| Apr 17, 2025 | Thomas Wozniak | ½–½ | Haverlandt | Runde 8: Thomas Wozniak - Haverlandt, Jannes | Indian Defense: Anti-Nimzo-Indian | |
| Apr 16, 2025 | Lueders Vega | 0–1 | Haverlandt | Runde 7: Lueders Vega, Iago Ernst - Haverlandt, Jannes | Caro-Kann Defense: Two Knights Attack | |
| Apr 16, 2025 | Haverlandt | 1–0 | Vygodner | Runde 6: Haverlandt, Jannes - Vygodner, Mark | King's Indian Defense: Semi-Averbakh System | |
| Apr 15, 2025 | Klages | 1–0 | Haverlandt | Runde 5: Klages, Jonas - Haverlandt, Jannes | Caro-Kann Defense: Two Knights Attack | |
| Apr 14, 2025 | Haverlandt | 0–1 | Bundan | Runde 4: Haverlandt, Jannes - Bundan, Edward | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Apr 13, 2025 | Haverlandt | 1–0 | Maraun | Runde 3: Haverlandt, Jannes - Maraun, Lias | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Apr 13, 2025 | Freimuth | ½–½ | Haverlandt | Runde 2: Freimuth, Julius - Haverlandt, Jannes | Caro-Kann Defense: Two Knights Attack | |
| Apr 12, 2025 | Haverlandt | 1–0 | Rinke | Runde 1: Haverlandt, Jannes - Rinke, Alexander | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| Nov 17, 2024 | Haverlandt | 1–0 | Voiges | Round 5: Haverlandt, Jannes - Voiges, Jonathan Caspar | Queen's Pawn Game: Symmetrical Variation | |
| Nov 17, 2024 | Wessels | 0–1 | Haverlandt | Round 4: Wessels, Keke - Haverlandt, Jannes | Indian Defense | |
| Nov 16, 2024 | Haverlandt | 1–0 | Thiele | Round 3: Haverlandt, Jannes - Thiele, Lea-Marie | Horwitz Defense | |
| Nov 16, 2024 | Liv Emily Wolpers | 0–1 | Haverlandt | Round 2: Liv Emily Wolpers - Haverlandt, Jannes | Caro-Kann Defense | |
| Nov 15, 2024 | Haverlandt | 1–0 | Heuer | Round 1: Haverlandt, Jannes - Heuer, Joerg | Queen's Pawn Game: Symmetrical Variation | |