| Jan 6, 2026 | Derr | ½–½ | Velicka | 36. Staufer Open 2026 A | Caro-Kann Defense: Classical Variation | |
| Jan 5, 2026 | Derr | 0–1 | Neukirchner | 36. Staufer Open 2026 A | Sicilian Defense: Accelerated Dragon, Modern Variation | |
| Jan 3, 2026 | Derr | 0–1 | Ronge | 36. Staufer Open 2026 A | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Dec 19, 2025 | Huber | ½–½ | Derr | Round 1: Huber, Benedikt - Derr, Oleg | Yusupov-Rubinstein System | |
| Nov 21, 2025 | Derr | 0–1 | Bagrationi | Heusenstamm Sparkassen Open 2025 | Sicilian Defense: Richter-Rauzer Variation, Modern Variation | |
| Oct 5, 2025 | Semling | ½–½ | Derr | Deutsche Ländermeisterschaft 2025 | Sicilian Defense: Smith-Morra Gambit | |
| Oct 4, 2025 | Den Heijer | 0–1 | Derr | Deutsche Ländermeisterschaft 2025 | Sicilian Defense: Kalashnikov Variation | |
| Oct 3, 2025 | Derr | ½–½ | Mimkes | Deutsche Ländermeisterschaft 2025 | Sicilian Defense: Four Knights Variation | |
| Oct 3, 2025 | Derr | 1–0 | Naumann | Deutsche Ländermeisterschaft 2025 | Caro-Kann Defense: Classical Variation, Spassky Variation | |
| Oct 2, 2025 | Derr | ½–½ | Sommer | Deutsche Ländermeisterschaft 2025 | Italian Game: Giuoco Pianissimo, Normal | |
| Oct 1, 2025 | Gallasch | 1–0 | Derr | Deutsche Ländermeisterschaft 2025 | Queen's Indian Defense: Spassky System | |
| Oct 1, 2025 | Derr | 1–0 | Junge | Deutsche Ländermeisterschaft 2025 | Caro-Kann Defense: Tartakower Variation | |
| Jul 18, 2025 | Wecker | ½–½ | Derr | Round 4: Wecker, Martin - Derr, Oleg | English Opening: Agincourt Defense, Bogoljubow Defense | |
| Jul 18, 2025 | Derr | ½–½ | Jungbluth | Round 3: Derr, Oleg - Jungbluth, Michael | French Defense: Hecht-Reefschläger Variation | |
| Jul 17, 2025 | Siebarth | 0–1 | Derr | Round 2: Siebarth, Marco - Derr, Oleg | Sicilian Defense: Kalashnikov Variation | |
| May 25, 2024 | Goldkuhle | 0–1 | Derr | DEM U14 2024 | Sicilian Defense: Closed | |
| May 24, 2024 | Derr | ½–½ | Sickmann | DEM U14 2024 | Queen's Gambit Declined: Charousek Variation | |
| May 23, 2024 | Derr | 0–1 | Albrecht | DEM U14 2024 | Ruy Lopez: Morphy Defense, Schliemann Defense Deferred | |
| May 22, 2024 | Vranckx | ½–½ | Derr | DEM U14 2024 | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| May 22, 2024 | Li | 0–1 | Derr | DEM U14 2024 | Sicilian Defense: Modern Variations | |
| May 21, 2024 | Derr | ½–½ | Nguyen | DEM U14 2024 | Sicilian Defense: Modern Variations | |
| May 20, 2024 | Mohylnyi | 1–0 | Derr | DEM U14 2024 | Sicilian Defense: Four Knights Variation | |
| May 19, 2024 | Derr | 1–0 | Pimenov | DEM U14 2024 | Sicilian Defense: Old Sicilian | |
| May 19, 2024 | Han | ½–½ | Derr | DEM U14 2024 | Nimzo-Indian Defense: Classical Variation, Noa Variation | |
| Dec 16, 2024 | Derr | 0–1 | Boci | Round 8.1: Derr, Oleg - Boci, Mateu | Sicilian Defense: Old Sicilian | |
| Dec 16, 2024 | Boci | ½–½ | Derr | Round 8.2: Boci, Mateu - Derr, Oleg | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Aug 3, 2024 | Pick | 0–1 | Derr | Round 5: Pick, Max - Derr, Oleg | Indian Defense: London System | |
| Aug 2, 2024 | Derr | ½–½ | Lu | Round 4: Derr, Oleg - Lu, Yunong Elias | Petrov's Defense: Nimzowitsch Attack | |
| Aug 2, 2024 | Willand | 0–1 | Derr | Round 3: Willand, Oliver - Derr, Oleg | Sicilian Defense: Staunton-Cochrane Variation | |
| Aug 1, 2024 | Derr | 1–0 | Bongardt | Round 2: Derr, Oleg - Bongardt, Livius | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Aug 1, 2024 | Petzold | 0–1 | Derr | Round 1: Petzold, Johannes Julius - Derr, Oleg | Sicilian Defense: Four Knights Variation, Cobra Variation | |
