| Apr 2, 2026 | Geroe | * | Haselsberger | Round 7: Geroe, Leonhard - Haselsberger, Armin | ? | |
| Mar 31, 2026 | Haselsberger | * | Guba | Round 5: Haselsberger, Armin - Guba, Viktor | ? | |
| Mar 31, 2026 | Nicolussi | 1–0 | Haselsberger | Round 4: Nicolussi, Hieronymus - Haselsberger, Armin | Caro-Kann Defense: Exchange Variation | |
| Mar 30, 2026 | Haselsberger | 0–1 | Gold | Round 3: Haselsberger, Armin - Gold, Theodor | Queen's Pawn Game: Colle System | |
| Mar 29, 2026 | Reichhuetter | ½–½ | Haselsberger | Round 2: Reichhuetter, Richard - Haselsberger, Armin | Semi-Slav Defense | |
| Mar 29, 2026 | Haselsberger | 1–0 | Gruenwald | Round 1: Haselsberger, Armin - Gruenwald, Simon | Rubinstein Opening | |
| Jun 21, 2025 | Haselsberger | 1–0 | Tumanyan | Round 11: Haselsberger, Armin - Tumanyan, Gor | Queen's Gambit Declined | |
| Jun 21, 2025 | Thoeny | ½–½ | Haselsberger | Round 10: Thoeny, Hermann - Haselsberger, Armin | Zukertort Opening: Reversed Grünfeld | |
| Jun 21, 2025 | Haselsberger | 1–0 | Scharler | Round 9: Haselsberger, Armin - Scharler, Walter | Mikenas Defense | |
| Jun 21, 2025 | Hennerbichler | 1–0 | Haselsberger | Round 8: Hennerbichler, Dominik - Haselsberger, Armin | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Jun 21, 2025 | Haselsberger | 1–0 | Stadlinger | Round 7: Haselsberger, Armin - Stadlinger, Lea | Catalan Opening: Open Defense | |
| Jun 21, 2025 | Haselsberger | 0–1 | Benedikt | Round 5: Haselsberger, Armin - Benedikt, Noah | Queen's Indian Defense: Classical Variation, Traditional Variation, Nimzowitsch Line | |
| Jun 21, 2025 | Pilz | 1–0 | Haselsberger | Round 4: Pilz, Dieter - Haselsberger, Armin | King's Indian Attack | |
| Jun 21, 2025 | Haselsberger | ½–½ | Kranebitter | Round 3: Haselsberger, Armin - Kranebitter, Gerhard | Dutch Defense: Classical Variation | |
| Jun 21, 2025 | Lerch | 1–0 | Haselsberger | Round 2: Lerch, Johannes - Haselsberger, Armin | Caro-Kann Defense: Endgame Variation | |
| Jun 20, 2025 | Ranner | 1–0 | Haselsberger | Round 9: Ranner, Stefan - Haselsberger, Armin | Queen's Pawn Game: London System | |
| Jun 20, 2025 | Flir | 1–0 | Haselsberger | Round 8: Flir, Emilio - Haselsberger, Armin | Queen's Gambit Declined: Three Knights Variation | |
| Jun 20, 2025 | Haselsberger | 0–1 | Wohlfahrt | Round 7: Haselsberger, Armin - Wohlfahrt, Herbert | Benko Gambit: Zaitsev System | |
| Jun 20, 2025 | Neuschmied | 1–0 | Haselsberger | Round 6: Neuschmied, Siegfried - Haselsberger, Armin | Caro-Kann Defense: Advance Variation, Short Variation | |
| Jun 20, 2025 | Haselsberger | ½–½ | Binder | Round 5: Haselsberger, Armin - Binder, Moriz | Catalan Opening: Open Defense, Classical Line | |
| Jun 19, 2025 | Froewis | 1–0 | Haselsberger | Round 4: Froewis, Georg - Haselsberger, Armin | Queen's Gambit Declined: Semi-Tarrasch Defense, Main Line | |
| Jun 19, 2025 | Haselsberger | 1–0 | Diermair | Round 3: Haselsberger, Armin - Diermair, Andreas | Dutch Defense: Classical Variation | |
| Jun 19, 2025 | Gruber | 0–1 | Haselsberger | Round 2: Gruber, Andreas - Haselsberger, Armin | Caro-Kann Defense: Classical Variation | |
| Jun 19, 2025 | Haselsberger | 1–0 | Pilz | Round 1: Haselsberger, Armin - Pilz, Dieter | Benoni Defense: Hromádka System | |
| Apr 16, 2025 | Keller | 1–0 | Haselsberger | Round 6: Keller, Niklas - Haselsberger, Armin | Caro-Kann Defense: Exchange Variation | |
| Apr 15, 2025 | Haselsberger | ½–½ | Roessler | Round 5: Haselsberger, Armin - Roessler, Felix | Queen's Gambit Declined | |
| Apr 15, 2025 | Reichhuetter | 1–0 | Haselsberger | Round 4: Reichhuetter, Richard - Haselsberger, Armin | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Apr 14, 2025 | Haselsberger | ½–½ | Squasi | Round 3: Haselsberger, Armin - Squasi, Ernesto | Rubinstein Opening | |
| Apr 13, 2025 | Haselsberger | ½–½ | Stoegerer | Round 1: Haselsberger, Armin - Stoegerer, Felix | Catalan Opening: Open Defense | |
| Apr 13, 2025 | Fuertler | 0–1 | Haselsberger | Round 2: Fuertler, Oliver - Haselsberger, Armin | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| May 31, 2024 | Karall | ½–½ | Haselsberger | Round 9: Karall, Lorenz - Haselsberger, Armin | Torre Attack: Classical Defense | |
| May 31, 2024 | Haselsberger | 0–1 | Horvath | Round 6: Haselsberger, Armin - Horvath, Reka | Benoni Defense: Classical Variation, New York Variation | |
| May 30, 2024 | Kranebitter | 1–0 | Haselsberger | Round 5: Kranebitter, Gerhard - Haselsberger, Armin | Caro-Kann Defense: Advance Variation, Van der Wiel Attack | |
| May 30, 2024 | Muehlbacher | 0–1 | Haselsberger | Round 4: Muehlbacher, Bernhard - Haselsberger, Armin | English Opening | |
| May 30, 2024 | Gutmann | 1–0 | Haselsberger | Round 2: Gutmann, Alois - Haselsberger, Armin | Van Geet Opening | |
| May 30, 2024 | Haselsberger | 0–1 | Khalakhan | Round 1: Haselsberger, Armin - Khalakhan, Jurij | Slav Defense: Modern Line | |
| Mar 26, 2024 | Standhartinger | 1–0 | Haselsberger | Round 4: Standhartinger, Joachim - Haselsberger, Armin | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |
| Mar 25, 2024 | Haselsberger | ½–½ | Squasi | Round 3: Haselsberger, Armin - Squasi, Ernesto | Queen's Indian Defense: Classical Variation | |
| Oct 27, 2021 | Guba | * | Haselsberger | BU12 | Caro-Kann Defense: Panov Attack | |
| Oct 26, 2021 | Haselsberger | * | Aschenbrenner | BU12 | Indian Defense | |
| Oct 25, 2021 | Haselsberger | 1–0 | Geworgyan | U12 Austrian Youth Championship | Queen's Pawn Game: Accelerated London System | |
| Oct 25, 2021 | Balint | 1–0 | Haselsberger | BU12 | Caro-Kann Defense: Panov Attack, Modern Defense, Carlsbad Line | |
| — | Haselsberger | ½–½ | Dietrich | Round 4: Haselsberger, Armin - Dietrich, Peter | Indian Defense: Anti-Nimzo-Indian | |
| — | Haselsberger | ½–½ | Pribozic | Round 8: Haselsberger, Armin - Pribozic, Manuel | Queen's Gambit Declined | |
| — | Hengl | 1–0 | Haselsberger | Round 1: Hengl, Philip - Haselsberger, Armin | Caro-Kann Defense: Classical Variation, Spassky Variation | |
| — | Maurizio | 1–0 | Haselsberger | Round 5: Maurizio, Antonio - Haselsberger, Armin | Queen's Pawn Game: Colle System | |