| — | Heimrath | 1–0 | Albert | Grenke Open | Vienna Game: Max Lange Defense | |
| — | Koepke | 1–0 | Heimrath | new tournament description | Scotch Game | |
| Apr 5, 2026 | Powierski | 0–1 | Heimrath | Round 7: Powierski, Emil - Heimrath, Reiner | ? | |
| Apr 5, 2026 | Heimrath | 0–1 | Siva Mahadevan | Round 6: Heimrath, Reiner - Siva Mahadevan | ? | |
| Apr 4, 2026 | Moehn | 0–1 | Heimrath | Round 5: Moehn, Hans - Heimrath, Reiner | ? | |
| Apr 3, 2026 | Huschenbeth | 1–0 | Heimrath | Round 1: Huschenbeth, Niclas - Heimrath, Reiner | ? | |
| Jan 2, 2026 | Besou | ½–½ | Heimrath | 36. Staufer Open 2026 A | Ruy Lopez: Schliemann Defense, Schönemann Attack | |
| Aug 31, 2024 | Heimrath | ½–½ | Loew | Round 9: Heimrath, Reiner - Loew, Gerald | Bird Opening: Dutch Variation | |
| Aug 30, 2024 | Moritz | 0–1 | Heimrath | Round 8: Moritz, Hartmut - Heimrath, Reiner | Scotch Game: Classical Variation | |
| Aug 29, 2024 | Heimrath | ½–½ | Balzer | Round 7: Heimrath, Reiner - Balzer, Lars | Modern Defense | |
| Aug 28, 2024 | Becker | 1–0 | Heimrath | Round 6: Becker, Michael - Heimrath, Reiner | Scotch Game | |
| Aug 25, 2024 | Heimrath | 1–0 | Wasmuth | Round 3: Heimrath, Reiner - Wasmuth, Matthias | Sicilian Defense: Closed | |
| Aug 24, 2024 | von Kiedrowski | 0–1 | Heimrath | Round 2: von Kiedrowski, Klemens - Heimrath, Reiner | Zukertort Opening: Queenside Fianchetto Variation | |
| Aug 23, 2024 | Heimrath | 1–0 | Schmidt | Round 1: Heimrath, Reiner - Schmidt, Matthias | Sicilian Defense: Closed, Traditional | |
| Aug 23, 2024 | Heimrath | ½–½ | Koscielski | Round 5: Heimrath, Reiner - Koscielski, Janusz | French Defense: Two Knights Variation | |
| Aug 23, 2024 | Metz | ½–½ | Heimrath | Round 4: Metz, Hartmut - Heimrath, Reiner | Modern Defense: Standard Defense | |
| Nov 21, 2021 | Heimrath | 1–0 | Podat | Heusenstamm Sparkassen Open 2021 | Italian Game: Scotch Gambit, Canal Variation | |
| Nov 21, 2021 | Krastev | ½–½ | Heimrath | Heusenstamm Sparkassen Open 2021 | Philidor Defense: Lion Variation | |
| Nov 20, 2021 | Heimrath | ½–½ | Abel | Heusenstamm Sparkassen Open 2021 | French Defense: Chigorin Variation | |
| Nov 20, 2021 | Krassowizkij | ½–½ | Heimrath | Heusenstamm Sparkassen Open 2021 | Indian Defense: Anti-Grünfeld, Alekhine Variation | |
| Nov 6, 2021 | Heimrath | 1–0 | Martinez Gamiz | 24th Open Bavarian Championship | ? | |
| Nov 5, 2021 | Jacob | 1–0 | Heimrath | 24th Open Bavarian Championship | ? | |
| Nov 4, 2021 | Heimrath | 1–0 | Schwarz | 24th Open Bavarian Championship | ? | |
| Nov 3, 2021 | Wltschek | 0–1 | Heimrath | 24th Open Bavarian Championship | ? | |
| Nov 2, 2021 | Heimrath | 0–1 | Joppien | 24th Open Bavarian Championship | ? | |
| Nov 1, 2021 | Morawietz | 1–0 | Heimrath | 24th Open Bavarian Championship | King's Indian Defense: Orthodox Variation | |
| Oct 31, 2021 | Heimrath | ½–½ | Seul | 24th Open Bavarian Championship | Italian Game: Scotch Gambit, Canal Variation | |
| Oct 30, 2021 | Schneider | * | Heimrath | 24th Open Bavarian Championship | ? | |
| — | Heimrath | 0–1 | Udelnov | Round 5: Heimrath, Reiner - Udelnov, Valentin | Italian Game: Scotch Gambit, Canal Variation | |
