| Jun 21, 2025 | Natter | ½–½ | Vrban | Round 11: Natter, Markus - Vrban, Damir | Sicilian Defense: Snyder Variation | |
| Jun 21, 2025 | Hennerbichler | 0–1 | Natter | Round 10: Hennerbichler, Dominik - Natter, Markus | Alekhine Defense: Two Pawns Attack, Tate Variation | |
| Jun 21, 2025 | Natter | ½–½ | Kranebitter | Round 9: Natter, Markus - Kranebitter, Gerhard | French Defense: Horwitz Attack, Papa-Ticulat Gambit | |
| Jun 21, 2025 | Spierings | 0–1 | Natter | Round 8: Spierings, Benjamin - Natter, Markus | Alekhine Defense: Exchange Variation | |
| Jun 21, 2025 | Natter | 0–1 | Archan | Round 7: Natter, Markus - Archan, Elikya | French Defense: Horwitz Attack, Papa-Ticulat Gambit | |
| Jun 21, 2025 | Neuschmied | 1–0 | Natter | Round 6: Neuschmied, Siegfried - Natter, Markus | Nimzowitsch Defense: Williams Variation | |
| Jun 21, 2025 | Natter | 0–1 | Lerch | Round 5: Natter, Markus - Lerch, Johannes | Philidor Defense: Lion Variation | |
| Jun 21, 2025 | Natter | 1–0 | Nolz | Round 4: Natter, Markus - Nolz, Tom | Caro-Kann Defense: Two Knights Attack | |
| Jun 21, 2025 | Gerold | 0–1 | Natter | Round 3: Gerold, Alexander - Natter, Markus | Nimzowitsch Defense: Williams Variation | |
| Jun 21, 2025 | Natter | 0–1 | Platzgummer | Round 2: Natter, Markus - Platzgummer, Fabian | Sicilian Defense: Snyder Variation | |
| — | Natter | 1–0 | Lenhard | Round 1: Natter, Markus - Lenhard, Alexander | Rapport-Jobava System | |
| — | Natter | 0–1 | Glek | Round 3: Natter, Markus - Glek, Igor | Sicilian Defense: Snyder Variation | |
| — | Natter | 0–1 | Pedevilla | Round 5: Natter, Markus - Pedevilla, Luis | Sicilian Defense: French Variation, Westerinen Attack | |
| — | Natter | ½–½ | Thuerauer | Round 7: Natter, Markus - Thuerauer, Roman | King's Pawn Game | |
| — | Lomonosova | 0–1 | Natter | Round 2: Lomonosova, Julia - Natter, Markus | French Defense: Advance Variation, Euwe Variation | |
| — | Vorreiter | ½–½ | Natter | Round 4: Vorreiter, Guenter - Natter, Markus | French Defense: Exchange Variation | |
| — | Junge | ½–½ | Natter | Round 6: Junge, Julia Marie - Natter, Markus | English Opening | |
