| Jul 12, 2026 | Hangay | ½–½ | Allmendinger | 2nd Arpad-hazi Jolan Open | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jul 11, 2026 | Allmendinger | ½–½ | Szabo | 2nd Arpad-hazi Jolan Open | Sicilian Defense: Delayed Alapin Variation | |
| Jul 11, 2026 | Csati | ½–½ | Allmendinger | 2nd Arpad-hazi Jolan Open | Caro-Kann Defense: Tartakower Variation | |
| Jul 9, 2026 | Felmery | 1–0 | Allmendinger | 2nd Arpad-hazi Jolan Open | Caro-Kann Defense: Advance Variation | |
| Jul 8, 2026 | Kresz | 1–0 | Allmendinger | 2nd Arpad-hazi Jolan Open | Caro-Kann Defense: Exchange Variation | |
| Dec 30, 2025 | Allmendinger | ½–½ | Niemann | Round 7: Allmendinger, Anton Johannes - Niemann, Silvio | Czech Defense | |
| Dec 30, 2025 | Horn | ½–½ | Allmendinger | Round 6: Horn, Jens - Allmendinger, Anton Johannes | English Opening: King's English Variation | |
| Dec 29, 2025 | Allmendinger | 0–1 | Donath | Round 5: Allmendinger, Anton Johannes - Donath, Frank-Thomas | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Dec 29, 2025 | Huebner | 0–1 | Allmendinger | Round 4: Huebner, Jassir - Allmendinger, Anton Johannes | Grünfeld Defense: Three Knights Variation | |
| Dec 28, 2025 | Allmendinger | 1–0 | Hoelscher | Round 3: Allmendinger, Anton Johannes - Hoelscher, Matthias | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Dec 28, 2025 | Hartel | 0–1 | Allmendinger | Round 2: Hartel, Paul - Allmendinger, Anton Johannes | Zukertort Opening: Nimzo-Larsen Variation | |
| Dec 27, 2025 | Allmendinger | 0–1 | Oberhofer | Round 1: Allmendinger, Anton Johannes - Oberhofer, Cedric | Sicilian Defense: Alapin Variation | |
| Dec 30, 2024 | Avdic | 1–0 | Allmendinger | DVM U20 2024 | Slav Defense: Geller Gambit | |
| Dec 29, 2024 | Allmendinger | 0–1 | Eberle | DVM U20 2024 | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Dec 29, 2024 | Allmendinger | 1–0 | Klein | DVM U20 2024 | Four Knights Game: Scotch Variation | |
| Dec 28, 2024 | Ciuloi | 1–0 | Allmendinger | DVM U20 2024 | Neo-Grünfeld Defense: Ultra-Delayed Exchange Variation | |
| Dec 28, 2024 | Rasch | 1–0 | Allmendinger | DVM U20 2024 | Caro-Kann Defense: Tartakower Variation | |
| May 12, 2024 | Mandelkow | ½–½ | Allmendinger | 3. Itzehoer Schach Open | Queen's Gambit Declined: Harrwitz Attack, Orthodox Defense | |
| May 11, 2024 | Allmendinger | 1–0 | Oblender | 3. Itzehoer Schach Open | Ponziani Opening | |
| May 11, 2024 | Bredereck | 0–1 | Allmendinger | 3. Itzehoer Schach Open (37-58) | Petrov's Defense: Italian Variation | |
| May 10, 2024 | Allmendinger | ½–½ | Jortzik | 3. Itzehoer Schach Open (37-58) | Petrov's Defense: Three Knights Game | |
| May 10, 2024 | Heinrich | 1–0 | Allmendinger | 3. Itzehoer Schach Open | Queen's Pawn Game: Accelerated London System | |
| May 9, 2024 | Allmendinger | 1–0 | Al Amin | 3. Itzehoer Schach Open | Sicilian Defense: Taimanov Variation, Normal Variation | |
| May 9, 2024 | Popvasilev | 1–0 | Allmendinger | 3. Itzehoer Schach Open | Four Knights Game: Spanish Variation, Classical Variation | |