| Dec 30, 2025 | Moeller | 0–1 | Ruddat | DVM U16 2025 | Rapport-Jobava System | |
| Dec 29, 2025 | Yasmo | 1–0 | Ruddat | DVM U16 2025 | French Defense: Winawer Variation, Poisoned Pawn Variation | |
| Dec 29, 2025 | Ruddat | ½–½ | Li | DVM U16 2025 | Scotch Game: Schmidt Variation | |
| Dec 28, 2025 | Ahryzkov | ½–½ | Ruddat | DVM U16 2025 | French Defense: Winawer Variation, Positional Variation | |
| Dec 28, 2025 | Ruddat | ½–½ | Ellinger | DVM U16 2025 | French Defense: King's Indian Attack | |
| Dec 27, 2025 | Schaefer | 0–1 | Ruddat | DVM U16 2025 | Grünfeld Defense: Exchange Variation | |
| Dec 27, 2025 | Ruddat | 1–0 | Vogt | DVM U16 2025 | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Dec 21, 2025 | Ruddat | ½–½ | Gaertner | Round 5: Ruddat, Jarne - Gaertner, Michael | Lion Defense: Anti-Philidor, Lion's Cave | |
| Dec 12, 2025 | Ruddat | ½–½ | Haji | Round 2: Ruddat, Jarne - Haji, Mohammad | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jun 14, 2025 | Ruddat | ½–½ | Hofmann | ODJM A 2025 | Queen's Indian Accelerated | |
| Jun 13, 2025 | Mueller | ½–½ | Ruddat | ODJM A 2025 | French Defense: Tarrasch Variation, Morozevich Variation | |
| Jun 12, 2025 | Ruddat | 1–0 | Krause | ODJM A 2025 | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jun 11, 2025 | Brau | ½–½ | Ruddat | ODJM A 2025 | Scotch Game: Schmidt Variation | |
| Jun 11, 2025 | Ruddat | 1–0 | Arp | ODJM A 2025 | Sicilian Defense: Najdorf Variation | |
| Jun 10, 2025 | Melde | 1–0 | Ruddat | ODJM A 2025 | Réti Opening: Anglo-Slav Variation, Bled Variation | |
| Jun 9, 2025 | Ruddat | ½–½ | Fellberg | ODJM A 2025 | Scandinavian Defense: Marshall Variation | |
| Jun 8, 2025 | Weeke | 0–1 | Ruddat | ODJM A 2025 | French Defense: Advance Variation, Lputian Variation | |
| Jun 8, 2025 | Ruddat | ½–½ | Apel | ODJM A 2025 | Scotch Game: Schmidt Variation | |
| May 25, 2024 | Ruddat | 1–0 | Groeschel | ODJM A 2024 | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations | |
| May 24, 2024 | Nguyen | 0–1 | Ruddat | ODJM A 2024 | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| May 23, 2024 | Ruddat | ½–½ | Ellinger | ODJM A 2024 | Scotch Game: Potter Variation | |
| May 22, 2024 | Ruddat | 0–1 | Kieselbach | ODJM A 2024 | Scotch Game: Schmidt Variation | |
| May 22, 2024 | Mehner | ½–½ | Ruddat | ODJM A 2024 | Neo-Grünfeld Defense: Goglidze Attack | |
| May 21, 2024 | Harutyunyan | ½–½ | Ruddat | ODJM A 2024 | Indian Defense: Przepiorka Variation | |
| May 20, 2024 | Ruddat | ½–½ | Bilenko | ODJM A 2024 | Sicilian Defense: Classical Variation | |
| May 19, 2024 | Ruddat | 1–0 | Pfaar | ODJM A 2024 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| May 19, 2024 | Niesel | 1–0 | Ruddat | ODJM A 2024 | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |
| Jun 11, 2022 | Ruddat | 1–0 | Tryfon | ODJM B 2022 | Italian Game: Scotch Gambit, de Riviere Defense | |
| Jun 10, 2022 | Kieselbach | 1–0 | Ruddat | ODJM B 2022 | Queen's Pawn Game: Torre Attack, Grünfeld Variation, Main Line | |
| Jun 9, 2022 | Stülcken | ½–½ | Ruddat | ODJM B 2022 | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Jun 8, 2022 | Ruddat | 1–0 | Hofmann | ODJM B 2022 | Scotch Game: Potter Variation | |
| Jun 8, 2022 | Schwarz | 0–1 | Ruddat | ODJM B 2022 | Sicilian Defense: Alapin Variation | |
| Jun 7, 2022 | Ruddat | 0–1 | Werner | ODJM B 2022 | French Defense: Alekhine-Chatard Attack | |
| Jun 5, 2022 | Ruddat | 0–1 | Wechtenbruch | ODJM B 2022 | Four Knights Game: Scotch Variation Accepted | |
| Jun 5, 2022 | Müller | 0–1 | Ruddat | ODJM B 2022 | Sicilian Defense: Dragon Variation, Classical Variation, Grigoriev Variation | |
| Mar 28, 2022 | Ruddat | 1–0 | Goldschmidt | DVM U12 2021 | Scandinavian Defense: Gubinsky-Melts Defense | |
| Mar 27, 2022 | Wartenberg | 1–0 | Ruddat | DVM U12 2021 | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Mar 26, 2022 | Ruddat | 1–0 | Teng | DVM U12 2021 | Sicilian Defense: Closed | |
| Mar 26, 2022 | Schriefer | ½–½ | Ruddat | DVM U12 2021 | Scotch Game: Scotch Gambit, Sarratt Variation | |
| Mar 25, 2022 | Ruddat | 1–0 | Weidemann | DVM U12 2021 | Scotch Game: Göring Gambit, Bardeleben Variation | |
| Jun 27, 2021 | Ruddat | 1–0 | Genov | DVM U14 2020 | Sicilian Defense: Closed | |
| Jun 26, 2021 | Ruddat | 0–1 | Abed | DVM U14 2020 | French Defense: Exchange Variation | |
| Jun 26, 2021 | Beck | 1–0 | Ruddat | DVM U14 2020 | English Opening: King's English Variation | |
| Jun 25, 2021 | Ruddat | 0–1 | Kaiser | DVM U14 2021 | Scandinavian Defense: Main Line | |
| Jun 25, 2021 | Rennkamp | ½–½ | Ruddat | DVM U14 2021 | Italian Game: Classical Variation | |
| Jun 24, 2021 | Ruddat | 1–0 | Zimanovic | DVM U14 2021 | Scotch Game: Classical Variation | |
| Jun 24, 2021 | Jiang | * | Ruddat | DVM U14 2021 | Italian Game: Classical Variation, Giuoco Pianissimo, with d6 | |