| — | Reimann | ½–½ | Skibbe | Grenke Open | King's Indian Attack | |
| — | Michalczak | ½–½ | Reimann | Grenke Open | Queen's Pawn Game: Torre Attack, Breyer Variation | |
| — | Karamsetty | ½–½ | Reimann | Grenke Open | Sicilian Defense: Closed, Traditional | |
| May 8, 2026 | Zysk | ½–½ | Reimann | Round 9: Zysk, Robert - Reimann, Sebastian | Queen's Gambit Accepted: Old Variation | |
| May 7, 2026 | Reimann | ½–½ | Oberhofer | Round 8: Reimann, Sebastian - Oberhofer, Cedric | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| May 6, 2026 | Kekelidze | ½–½ | Reimann | Round 7: Kekelidze, Mikheil - Reimann, Sebastian | Ruy Lopez: Morphy Defense, Cozio Defense | |
| May 6, 2026 | Reimann | ½–½ | Boehme | Round 6: Reimann, Sebastian - Boehme, Sebastian | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| May 4, 2026 | Maksimenko | 1–0 | Reimann | Round 4: Maksimenko, Andrei - Reimann, Sebastian | Queen's Gambit Accepted: Janowski-Larsen Variation | |
| May 4, 2026 | Reimann | 0–1 | Malinowsky | Round 3: Reimann, Sebastian - Malinowsky, Levi | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| May 3, 2026 | Schulz | ½–½ | Reimann | Round 2: Schulz, Lukas - Reimann, Sebastian | Vienna Game: Mieses Variation | |
| May 2, 2026 | Reimann | 1–0 | Viennot | Round 1: Reimann, Sebastian - Viennot, Dylan | French Defense: Advance Variation, Paulsen Attack | |
| Apr 27, 2026 | Reimann | 1–0 | Demchenko | Round 5: Reimann, Sebastian - Demchenko, Yaroslav | Sicilian Defense: Old Sicilian | |
| May 31, 2025 | Reimann | ½–½ | Huber | Round 9: Reimann, Sebastian - Huber, Benedikt | King's Knight Opening: Konstantinopolsky | |
| May 31, 2025 | Zysk | ½–½ | Reimann | Round 8: Zysk, Robert - Reimann, Sebastian | English Opening: Symmetrical Variation | |
| May 30, 2025 | Reimann | ½–½ | Khusnutdinov | Round 7: Reimann, Sebastian - Khusnutdinov, Rustam | French Defense: Exchange Variation | |
| May 29, 2025 | Vuckovic | ½–½ | Reimann | Round 6: Vuckovic, Zarko - Reimann, Sebastian | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| May 28, 2025 | Reimann | ½–½ | Schulz | Round 5: Reimann, Sebastian - Schulz, Lukas | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| May 27, 2025 | Hasenohr | 1–0 | Reimann | Round 3: Hasenohr, Benedict - Reimann, Sebastian | Rapport-Jobava System | |
| May 26, 2025 | Reimann | 0–1 | Kekelidze | Round 2: Reimann, Sebastian - Kekelidze, Mikheil | French Defense: MacCutcheon Variation, Lasker Variation | |
| May 25, 2025 | Schneider | ½–½ | Reimann | Round 1: Schneider, Jana - Reimann, Sebastian | Sicilian Defense: Moscow Variation | |
| May 24, 2025 | Mohylnyi | ½–½ | Reimann | Round 4: Mohylnyi, Stepan - Reimann, Sebastian | Sicilian Defense: Accelerated Dragon, Modern Variation | |
| Apr 21, 2025 | Reimann | 1–0 | Turgut | Grenke Chess Open A | Sicilian Defense: O'Kelly Variation, Réti System | |
| Apr 20, 2025 | Reimann | 0–1 | Bellahcene | Round 7: Reimann, Sebastian - Bellahcene, Bilel | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Apr 18, 2025 | Reimann | 0–1 | Liang | Round 3: Reimann, Sebastian - Liang, Awonder | Modern Defense: Standard Defense | |
| Aug 18, 2024 | Reimann | 1–0 | Hasenohr | Round 9: Reimann, Sebastian - Hasenohr, Benedict | French Defense: Exchange Variation | |
| Aug 16, 2024 | Zysk | ½–½ | Reimann | Round 7: Zysk, Robert - Reimann, Sebastian | Queen's Gambit Declined: Semi-Tarrasch Defense | |
| Aug 15, 2024 | Reimann | ½–½ | Platzgummer | Round 6: Reimann, Sebastian - Platzgummer, Fabian | Caro-Kann Defense: Two Knights Attack | |
| Aug 15, 2024 | Lucas | 1–0 | Reimann | Round 5: Lucas, Arthur - Reimann, Sebastian | Sicilian Defense: Najdorf Variation, Zagreb Variation | |
| Aug 14, 2024 | Reimann | 0–1 | Schneider | Round 4: Reimann, Sebastian - Schneider, Jana | Ruy Lopez: Marshall Attack, Modern Main Line | |
| Aug 13, 2024 | Goldbeck | 1–0 | Reimann | Round 3: Goldbeck, Lars - Reimann, Sebastian | Queen's Gambit Declined: Tartakower Defense | |
| Aug 12, 2024 | Schulz | 0–1 | Reimann | Round 8: Schulz, Lukas - Reimann, Sebastian | King's Gambit Accepted: Fischer Defense | |
| Mar 30, 2024 | Reimann | 1–0 | Goldschmidt | Grenke Open | Sicilian Defense: Dragon Variation | |
| Aug 13, 2024 | Reimann | ½–½ | Georgescu | Round 2: Reimann, Sebastian - Georgescu, Lena | English Opening: Symmetrical Variation, Three Knights Variation | |
| Aug 12, 2024 | Miller | ½–½ | Reimann | Round 1: Miller, Eduard - Reimann, Sebastian | King's Indian Attack: Spassky Variation | |
| Oct 28, 2023 | Jerie | 0–1 | Reimann | 26. Offene Internationale Bayerische Schachmeisterschaft Tegernsee | Sicilian Defense: Najdorf Variation, English Attack | |
| Jun 6, 2023 | Reimann | 0–1 | Hoffmann | 1st Munich Pfingst Open | King's Indian Attack | |
| Jun 5, 2023 | Parkhov | 1–0 | Reimann | 1st Munich Pfingst Open | English Opening: King's English Variation | |
| Jun 5, 2023 | Salvermoser | ½–½ | Reimann | 1st Munich Pfingst Open | Modern Defense: Averbakh System | |
| Jun 1, 2023 | Reimann | 0–1 | Kramer | 1st Munich Pfingst Open | Sicilian Defense: Classical Variation, Sozin Attack | |
| Nov 13, 2022 | Braun | ½–½ | Reimann | 25th Open Bavarian Championship | Neo-Grünfeld Defense: Exchange Variation | |
| Nov 12, 2022 | Reimann | ½–½ | Jinan Jomon | 25th Open Bavarian Championship | King's Knight Opening: Konstantinopolsky | |
| Nov 11, 2022 | Bashylina | ½–½ | Reimann | 25th Open Bavarian Championship | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Nov 10, 2022 | Reimann | 1–0 | Bub | 25th Open Bavarian Championship | ? | |
| Nov 9, 2022 | Feuerstack | 1–0 | Reimann | 25th Open Bavarian Championship | Queen's Gambit Declined | |
| Nov 8, 2022 | Reimann | 1–0 | di Franco | 25th Open Bavarian Championship | Sicilian Defense: Open | |
| Nov 7, 2022 | Brychcy | 0–1 | Reimann | 25th Open Bavarian Championship | Sicilian Defense | |
| Nov 6, 2022 | Reimann | 0–1 | Demchenko | 25th Open Bavarian Championship | Sicilian Defense: Sozin Attack, Main Line | |