| Apr 2, 2026 | Wagner | * | Gstrein | Round 7: Wagner, Samuel - Gstrein, Matteo | ? | |
| Apr 1, 2026 | Gstrein | * | Pashkovskyi | Round 6: Gstrein, Matteo - Pashkovskyi, Yehor | ? | |
| Mar 31, 2026 | Wu | * | Gstrein | Round 5: Wu, Chenshan - Gstrein, Matteo | ? | |
| Mar 31, 2026 | Martinovic | 1–0 | Gstrein | Round 4: Martinovic, David - Gstrein, Matteo | Italian Game: Deutz Gambit | |
| Mar 30, 2026 | Gstrein | * | Eder | Round 3: Gstrein, Matteo - Eder, Benjamin | ? | |
| Mar 29, 2026 | Maymo | * | Gstrein | Round 2: Maymo, Gazwan - Gstrein, Matteo | ? | |
| Mar 29, 2026 | Gstrein | * | Veladzic | Round 1: Gstrein, Matteo - Veladzic, Benjamin | ? | |
| Sep 12, 2025 | Hyassat | 1–0 | Gstrein | Wiener BlitzschachLM 2025 | Queen's Gambit Accepted | |
| Sep 12, 2025 | Gstrein | 1–0 | Aboulenein-Djamshidian | Wiener BlitzschachLM 2025 | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Sep 12, 2025 | Gold | 1–0 | Gstrein | Wiener BlitzschachLM 2025 | Bogo-Indian Defense: Retreat Variation | |
| Sep 12, 2025 | Calderon Tocino | 1–0 | Gstrein | Wiener BlitzschachLM 2025 | Italian Game: Rosentreter Gambit | |
| Sep 12, 2025 | Gstrein | ½–½ | Stinner | Wiener BlitzschachLM 2025 | Caro-Kann Defense: Exchange Variation | |
| Sep 12, 2025 | Nemetschek | 1–0 | Gstrein | Wiener BlitzschachLM 2025 | Ruy Lopez: Closed, Zaitsev System | |
| Sep 12, 2025 | Gstrein | 1–0 | Fichtinger | Wiener BlitzschachLM 2025 | Sicilian Defense: Dragon Variation, Classical Variation, Battery Variation | |
| Jun 22, 2025 | Gstrein | 0–1 | Wallinger | Round 7: Gstrein, Matteo - Wallinger, Nikolaus | Modern Defense: Geller's System | |
| Jun 21, 2025 | Haselsberger | 0–1 | Gstrein | Round 6: Haselsberger, Roman - Gstrein, Matteo | Nimzo-Larsen Attack: Modern Variation | |
| Jun 21, 2025 | Gstrein | 0–1 | Veladzic | Round 5: Gstrein, Matteo - Veladzic, Benjamin | Italian Game: Classical Variation, Giuoco Pianissimo, with a6 | |
| Jun 20, 2025 | Ringbauer | 0–1 | Gstrein | Round 4: Ringbauer, Daniel - Gstrein, Matteo | Queen's Gambit Declined: Orthodox Defense, Botvinnik Variation | |
| Jun 19, 2025 | Raber | 1–0 | Gstrein | Round 2: Raber, Eduard - Gstrein, Matteo | Queen's Pawn Game: Stonewall Attack | |
| Jun 1, 2024 | Aschenbrenner | 1–0 | Gstrein | Round 6: Aschenbrenner, Philip - Gstrein, Matteo | Bishop's Opening: Berlin Defense | |
| Jun 1, 2024 | Gstrein | ½–½ | Swoboda | Round 5: Gstrein, Matteo - Swoboda, Fabian | Italian Game: Classical Variation, Giuoco Pianissimo, Main Line | |
| May 30, 2024 | Gstrein | 0–1 | Benedikt | Round 1: Gstrein, Matteo - Benedikt, Noah | Caro-Kann Defense: Two Knights Attack | |
| — | Gstrein | 0–1 | Luong | Round 2: Gstrein, Matteo - Luong, Thao | Italian Game: Classical Variation, Giuoco Pianissimo, with d6 | |
| — | Gstrein | ½–½ | Genc | Round 4: Gstrein, Matteo - Genc, Gregor | French Defense: Steinitz Variation, Boleslavsky Variation | |
| — | Gstrein | 0–1 | Knittel-Templ | Round 6: Gstrein, Matteo - Knittel-Templ, Paula | Italian Game: Classical Variation | |
| — | Gstrein | 1–0 | Donovan | Round 8: Gstrein, Matteo - Donovan, Sabrina | Italian Game: Classical Variation, Giuoco Pianissimo, with d6 | |
| — | Janaszak | 0–1 | Gstrein | Round 1: Janaszak, Amelia - Gstrein, Matteo | Catalan Opening: Closed, Main Line | |
| — | Karaolis | 1–0 | Gstrein | Round 3: Karaolis, Andreas - Gstrein, Matteo | King's Indian Attack | |
| — | Donovan | 0–1 | Gstrein | Round 7: Donovan, Stephen - Gstrein, Matteo | Queen's Gambit Declined | |
| — | Kiss | ½–½ | Gstrein | Round 9: Kiss, Andor - Gstrein, Matteo | Vienna Game: Anderssen Defense | |
