| Jul 24, 2026 | Sengupta | 1–0 | Reimer | Round 3: Sengupta, Aroop Ratan - Reimer, Felix Ryu | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| May 25, 2026 | Reimer | 0–1 | Ebert | Round 6: Reimer, Felix Ryu - Ebert, Juergen | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| May 24, 2026 | Li | 0–1 | Reimer | Round 5: Li, Alice Shiqian - Reimer, Felix Ryu | Grünfeld Defense: Three Knights Variation, Paris Variation | |
| May 22, 2026 | Reuter | 1–0 | Reimer | Round 1: Reuter, Julian-Frank - Reimer, Felix Ryu | King's Indian Attack: Symmetrical Defense | |
| Apr 4, 2026 | Prado | 1–0 | Reimer | Grenke Chess Festival 2026 Streamer | Sicilian Defense: Closed, Traditional | |
| Apr 4, 2026 | Prado | 1–0 | Reimer | Round 5: Prado, Alexandra - Reimer, Felix Ryu | Sicilian Defense: Closed, Traditional | |
| Dec 30, 2025 | Reimer | 1–0 | Meisters | Round 6: Reimer, Felix Ryu - Meisters, Leon | Caro-Kann Defense: Breyer Variation | |
| Dec 29, 2025 | Katz | 1–0 | Reimer | Round 5: Katz, Rafael - Reimer, Felix Ryu | Rapport-Jobava System | |
| Dec 29, 2025 | Reimer | 1–0 | Pohlmann | Round 4: Reimer, Felix Ryu - Pohlmann, Marco | French Defense: Marshall Gambit | |
| Dec 28, 2025 | Schless | 1–0 | Reimer | Round 3: Schless, Sebastian - Reimer, Felix Ryu | Sicilian Defense: Smith-Morra Gambit Accepted | |
| Dec 28, 2025 | Reimer | 1–0 | Vasylieva | Round 2: Reimer, Felix Ryu - Vasylieva, Kira | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Dec 27, 2025 | Terhuven | 1–0 | Reimer | Round 1: Terhuven, Patrick - Reimer, Felix Ryu | King's Indian Attack: Symmetrical Defense | |
| Dec 20, 2025 | Klees | 0–1 | Reimer | Round 3: Klees, Robert - Reimer, Felix Ryu | Sicilian Defense: Smith-Morra Gambit Accepted, Fianchetto Defense | |
| Dec 19, 2025 | Reimer | 1–0 | Zhao | Round 2: Reimer, Felix Ryu - Zhao, Qixiang | Sicilian Defense: Dragon Variation, Yugoslav Attack, Main Line | |
| Dec 12, 2025 | Reimer | 1–0 | Eick | Round 4: Reimer, Felix Ryu - Eick, Holger | Queen's Gambit Declined: Barmen Variation | |
| Dec 12, 2025 | Wettermann | 0–1 | Reimer | Round 5: Wettermann, Claas - Reimer, Felix Ryu | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Jul 17, 2025 | Reimer | 0–1 | Liu | Round 2: Reimer, Felix Ryu - Liu, Yining | English Opening: Anglo-Indian Defense, Scandinavian Defense, Exchange Variation | |
| Jun 9, 2025 | Reimer | 0–1 | Connemann | Round 7: Reimer, Felix Ryu - Connemann, Mirko | Slav Defense: Modern Line | |
| Jun 9, 2025 | Estrin | 1–0 | Reimer | Round 6: Estrin, Boris - Reimer, Felix Ryu | Italian Game: Classical Variation, Greco Gambit, Greco Variation | |
| Jun 8, 2025 | Reimer | 1–0 | Satheesh | Round 5: Reimer, Felix Ryu - Satheesh, Yazhini | English Opening: Neo-Catalan | |
| Jun 8, 2025 | Kirchner | 1–0 | Reimer | Round 4: Kirchner, Emil - Reimer, Felix Ryu | Indian Defense: Knights Variation | |
| Jun 7, 2025 | Reimer | * | Tenbuecken | Round 3: Reimer, Felix Ryu - Tenbuecken, Stefan | ? | |
| Jun 7, 2025 | Oezdemir | * | Reimer | Round 2: Oezdemir, Anna Valentina - Reimer, Felix Ryu | ? | |
| Jun 6, 2025 | Reimer | 0–1 | Terhuven | Round 1: Reimer, Felix Ryu - Terhuven, Patrick | English Opening: Symmetrical Variation | |
| Dec 30, 2024 | Biessner | 1–0 | Reimer | Round 7: Biessner, Eberhard - Reimer, Felix Ryu | Italian Game: Classical Variation, Greco Gambit, Traditional Line | |
| Dec 30, 2024 | Reimer | 0–1 | Kirchner | Round 6: Reimer, Felix Ryu - Kirchner, Emil | King's Indian Attack: Yugoslav Variation | |
| Dec 29, 2024 | Schelhorn | 0–1 | Reimer | Round 5: Schelhorn, Paul - Reimer, Felix Ryu | Queen's Gambit Declined | |
| Dec 29, 2024 | Reimer | 0–1 | Nopper | Round 4: Reimer, Felix Ryu - Nopper, Louis | King's Indian Defense: Fianchetto Variation, Panno Variation | |
| Dec 28, 2024 | Gierhardt | 0–1 | Reimer | Round 3: Gierhardt, Vito - Reimer, Felix Ryu | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| Dec 28, 2024 | Reimer | * | Dueckers | Round 2: Reimer, Felix Ryu - Dueckers, Benedikt | ? | |
| Dec 27, 2024 | Heider | 1–0 | Reimer | Round 1: Heider, Niklas - Reimer, Felix Ryu | Scotch Game: Scotch Gambit | |
| Nov 17, 2024 | Reimer | 1–0 | Pavlov | Round 4: Reimer, Felix Ryu - Pavlov, Dmitriy | French Defense: Exchange Variation, Monte Carlo Variation | |
| Nov 17, 2024 | Reimer | 1–0 | Felix Jathe | Round 5: Reimer, Felix Ryu - Felix Jathe | Italian Game: Classical Variation, La Bourdonnais Variation | |
| Nov 16, 2024 | Reimer | ½–½ | Konstantin Naiwert | Round 2: Reimer, Felix Ryu - Konstantin Naiwert | Sicilian Defense: Snyder Variation | |
| Nov 16, 2024 | Sonnenberg | 0–1 | Reimer | Round 3: Sonnenberg, Andre - Reimer, Felix Ryu | Ruy Lopez: Exchange Variation, Lutikov Variation | |
| Nov 15, 2024 | Margaryan | 0–1 | Reimer | Round 1: Margaryan, Mari - Reimer, Felix Ryu | Slav Defense: Exchange Variation | |