| May 16, 2026 | Ortner | 0–1 | Iturrizaga Bonelli | Round 1: Ortner, Sebastian - Iturrizaga Bonelli, Eduardo | Nimzo-Indian Defense: Sämisch Variation | |
| Apr 2, 2026 | Gschwandtl | ½–½ | Ortner | Round 7: Gschwandtl, Alexander - Ortner, Sebastian | Czech Defense | |
| Apr 1, 2026 | Ortner | 1–0 | Hahn | Round 6: Ortner, Sebastian - Hahn, Stefan | English Defense | |
| Mar 31, 2026 | Brandlmaier | ½–½ | Ortner | Round 5: Brandlmaier, Felix - Ortner, Sebastian | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Mar 31, 2026 | Ortner | 0–1 | Squasi | Round 4: Ortner, Sebastian - Squasi, Ernesto | King's Indian Attack, with e6 | |
| Mar 30, 2026 | Biebl | 0–1 | Ortner | Round 3: Biebl, Daniel - Ortner, Sebastian | Scotch Game: Schmidt Variation | |
| Mar 29, 2026 | Ortner | 0–1 | Schneider | Round 2: Ortner, Sebastian - Schneider, Aron | Catalan Opening: Open Defense, Classical Line | |
| Mar 29, 2026 | Maleczek | * | Ortner | Round 1: Maleczek, Kian - Ortner, Sebastian | ? | |
| May 31, 2025 | Ortner | 0–1 | Shimanov | Round 1: Ortner, Sebastian - Shimanov, Aleksandr | Old Indian Defense: Ukrainian Variation | |
| May 29, 2025 | Ortner | 0–1 | Shimanov | Round 1: Ortner, Sebastian - Shimanov, Aleksandr | Old Indian Defense: Ukrainian Variation | |
| Apr 17, 2025 | Ortner | ½–½ | Chen | Round 7: Ortner, Sebastian - Chen, Chicheng Leon | Grünfeld Defense: Botvinnik Variation | |
| Apr 16, 2025 | Benedikt | 1–0 | Ortner | Round 6: Benedikt, Noah - Ortner, Sebastian | Rubinstein Opening | |
| Apr 15, 2025 | Ortner | 1–0 | Wu | Round 4: Ortner, Sebastian - Wu, Chenshan | Grünfeld Defense: Three Knights Variation, Vienna Variation | |
| Apr 15, 2025 | Martinovic | 0–1 | Ortner | Round 5: Martinovic, David - Ortner, Sebastian | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Apr 14, 2025 | Stickler | 1–0 | Ortner | Round 3: Stickler, Florentin - Ortner, Sebastian | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| Apr 13, 2025 | Ortner | 1–0 | Pausweg | Round 2: Ortner, Sebastian - Pausweg, Daniel | Nimzo-Indian Defense: Sämisch Variation | |
| — | Ortner | 1–0 | Schmatz | Round 2: Ortner, Sebastian - Schmatz, Monika | Dutch Defense: Fianchetto Attack | |
| — | Ortner | 0–1 | Klasinc | Round 4: Ortner, Sebastian - Klasinc, Kristjan | Rat Defense: English Rat | |
| — | Ortner | 0–1 | Kreilinger | Round 6: Ortner, Sebastian - Kreilinger, Erich | King's Indian Defense: Kramer Variation | |
| — | Burri | 0–1 | Ortner | Round 1: Burri, Roland - Ortner, Sebastian | Four Knights Game: Italian Variation, Noa Gambit | |
| — | Drnovsek | 1–0 | Ortner | Round 3: Drnovsek, Gal - Ortner, Sebastian | Catalan Opening: Open Defense, Classical Line | |
| — | Cser | 0–1 | Ortner | Round 5: Cser, Josef - Ortner, Sebastian | Four Knights Game: Scotch Variation Accepted | |
| — | Lomonosova | 1–0 | Ortner | Round 7: Lomonosova, Julia - Ortner, Sebastian | Scotch Game: Schmidt Variation | |
