| Jul 31, 2025 | Mehner | 0–1 | Langheinrich | Round 2: Mehner, Lorenz - Langheinrich, Ferenc | Nimzo-Indian Defense: Rubinstein System | |
| Jun 14, 2025 | Mehner | 1–0 | Zhang | ODJM A 2025 | Nimzo-Indian Defense: St. Petersburg Variation | |
| Jun 13, 2025 | Uhlmann | 0–1 | Mehner | ODJM A 2025 | Sicilian Defense: Closed, Traditional | |
| Jun 12, 2025 | Mehner | 1–0 | Andresen | ODJM A 2025 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jun 11, 2025 | Schmidt | 1–0 | Mehner | ODJM A 2025 | Benko Gambit Accepted: Fully Accepted Variation | |
| Jun 11, 2025 | Mehner | 0–1 | Krause | ODJM A 2025 | Slav Defense | |
| Jun 10, 2025 | Mehner | ½–½ | Menzel | ODJM A 2025 | Nimzo-Indian Defense: Reshevsky Variation | |
| Jun 9, 2025 | Bergmann | 0–1 | Mehner | ODJM A 2025 | French Defense: King's Indian Attack | |
| Jun 8, 2025 | Mehner | 0–1 | Kliashtornyi | ODJM A 2025 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jun 8, 2025 | Grunert | 0–1 | Mehner | ODJM A 2025 | French Defense: Tarrasch Variation, Morozevich Variation | |
| Jul 19, 2024 | Ali Elier | * | Mehner | Round 7: Ali Elier - Mehner, Lorenz | ? | |
| Jul 16, 2024 | Zeller | 1–0 | Mehner | Round 1: Zeller, Frank - Mehner, Lorenz | King's Indian Attack: Sicilian Variation | |
| May 25, 2024 | Gold | 0–1 | Mehner | ODJM A 2024 | Benko Gambit Accepted: King Walk Variation | |
| May 24, 2024 | Mehner | ½–½ | Schulz | ODJM A 2024 | Tarrasch Defense: Two Knights Variation | |
| May 23, 2024 | Geist | 0–1 | Mehner | ODJM A 2024 | Sicilian Defense: Dragon Variation, Yugoslav Attack | |
| May 22, 2024 | Mehner | ½–½ | Ruddat | ODJM A 2024 | Neo-Grünfeld Defense: Goglidze Attack | |
| May 22, 2024 | Andrade | 0–1 | Mehner | ODJM A 2024 | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| May 21, 2024 | Mehner | 0–1 | Ratushnyi | ODJM A 2024 | Old Indian Defense: Ukrainian Variation | |
| May 20, 2024 | Fruth | 1–0 | Mehner | ODJM A 2024 | Sicilian Defense: Dragon Variation | |
| May 19, 2024 | Mehner | 0–1 | Langner | ODJM A 2024 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| May 19, 2024 | Astner | 0–1 | Mehner | ODJM A 2024 | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| Jun 11, 2022 | Krömer | 1–0 | Mehner | ODJM B 2022 | Sicilian Defense: Moscow Variation, Main Line | |
| Jun 10, 2022 | Mehner | 1–0 | Tryfon | ODJM B 2022 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jun 9, 2022 | Götz | 0–1 | Mehner | ODJM B 2022 | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Jun 8, 2022 | Mehner | 0–1 | Hoffmann | ODJM B 2022 | English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense | |
| Jun 8, 2022 | Glotz | 0–1 | Mehner | ODJM B 2022 | Sicilian Defense: Dragon Variation, Yugoslav Attack, Panov Variation | |
