| Nov 1, 2025 | Seul | ½–½ | Wallner | Round 11: Seul, Georg - Wallner, Joachim | Four Knights Game: Spanish Variation | |
| Oct 31, 2025 | Temirbayev | ½–½ | Wallner | Round 10: Temirbayev, Serikbay - Wallner, Joachim | Slav Defense: Quiet Variation, Pin Defense | |
| Oct 30, 2025 | Wallner | 1–0 | Mertens | Round 9: Wallner, Joachim - Mertens, Marc | Nimzo-Larsen Attack: Indian Variation | |
| Oct 29, 2025 | Waddington | 0–1 | Wallner | Round 8: Waddington, Mike P - Wallner, Joachim | Sicilian Defense: Closed | |
| Oct 28, 2025 | Wallner | 0–1 | Ribeiro | Round 7: Wallner, Joachim - Ribeiro, Fernando | English Opening: Anglo-Indian Defense, King's Indian Formation | |
| Oct 26, 2025 | Georgiev | 1–0 | Wallner | Round 6: Georgiev, Kiril - Wallner, Joachim | Sicilian Defense: Scheveningen Variation, Keres Attack | |
| Oct 25, 2025 | Wallner | ½–½ | Qashashvili | Round 5: Wallner, Joachim - Qashashvili, Alexandre | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Oct 24, 2025 | Godena | ½–½ | Wallner | Round 4: Godena, Michele - Wallner, Joachim | Italian Game: Classical Variation, Giuoco Pianissimo, with a6 | |
| Oct 23, 2025 | Wallner | ½–½ | Motwani | Round 3: Wallner, Joachim - Motwani, Paul | King's Indian Defense: Orthodox Variation, Positional Defense, Closed Line | |
| Oct 22, 2025 | De Maria | 0–1 | Wallner | Round 2: De Maria, Isaia - Wallner, Joachim | English Opening: Anglo-Indian Defense, Queen's Knight Variation | |
| Oct 21, 2025 | Wallner | 1–0 | Vilarnovo Caamano | Round 1: Wallner, Joachim - Vilarnovo Caamano, Jose | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Nov 28, 2024 | Kolesar | ½–½ | Wallner | World Senior Chess Championship 2024 | English Opening: Symmetrical Variation, Three Knights Variation | |
| Nov 20, 2024 | Wallner | 0–1 | Georgiev | World Senior Chess Championship 2024 | English Opening: Romanishin Gambit | |
| Nov 18, 2024 | Wallner | 0–1 | Chatalbashev | World Senior Chess Championship 2024 | English Opening: Symmetrical Variation | |
| May 12, 2024 | Wallner | ½–½ | Van Haastert | European Senior Team Chess Championship 2024 - Section 50 + | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| May 11, 2024 | Pein | ½–½ | Wallner | European Senior Team Chess Championship 2024 - Section 50 + | Slav Defense: Chebanenko Variation, Advance System | |
| May 10, 2024 | Cepon | 0–1 | Wallner | European Senior Team Chess Championship 2024 - Section 50 + | Slav Defense: Exchange Variation | |
| May 8, 2024 | Wallner | 0–1 | Ostergaard | European Senior Team Chess Championship 2024 - Section 50 + | English Opening: Anglo-Indian Defense, King's Indian Formation | |
| Aug 22, 2021 | Wallner | 0–1 | Sadhwani | Innsbruck Festival | Ruy Lopez: Closed, Delayed Exchange | |
| Aug 22, 2021 | Bischofberger | * | Wallner | Innsbruck Festival | ? | |
| Aug 22, 2021 | Bischofberger | * | Wallner | Innsbruck Festival | ? | |
