| May 17, 2026 | Rataj | ½–½ | Panos | Round 8: Rataj, Petr - Panos, Jan | King's Indian Attack: Wahls Defense | |
| May 17, 2026 | Misek | 1–0 | Rataj | Round 7: Misek, Jan - Rataj, Petr | St. George Defense | |
| May 17, 2026 | Rataj | 0–1 | Hlavac | Round 5: Rataj, Petr - Hlavac, Rudolf | Queen's Pawn Game | |
| May 17, 2026 | Rataj | ½–½ | Peroutka | Round 3: Rataj, Petr - Peroutka, Simon | Indian Defense | |
| May 17, 2026 | Rataj | 0–1 | Tichy | Round 1: Rataj, Petr - Tichy, Stepan | Zukertort Opening | |
| May 16, 2026 | Rataj | ½–½ | Hostasa | Round 13: Rataj, Petr - Hostasa, Petr | Queen's Gambit Declined: Traditional Variation | |
| May 16, 2026 | Ondrejat | 1–0 | Rataj | Round 12: Ondrejat, Miroslav - Rataj, Petr | King's Indian Defense: Orthodox Variation, Positional Defense, Closed Line | |
| May 16, 2026 | Rataj | 1–0 | Macho | Round 11: Rataj, Petr - Macho, Miloslav | Horwitz Defense | |
| May 16, 2026 | Ornet | 1–0 | Rataj | Round 10: Ornet, Tomas - Rataj, Petr | Petrov's Defense: Italian Variation | |
| May 16, 2026 | Pazdera | 1–0 | Rataj | Round 9: Pazdera, Tomas - Rataj, Petr | Danish Gambit Declined: Sörensen Defense | |
| May 16, 2026 | Rataj | ½–½ | Novotny | Round 8: Rataj, Petr - Novotny, Dominik | King's Indian Attack | |
| May 16, 2026 | Vo | 0–1 | Rataj | Round 7: Vo, Daniel - Rataj, Petr | St. George Defense | |
| May 16, 2026 | Rataj | 1–0 | Le Nam Anh Nguyen | Round 6: Rataj, Petr - Le Nam Anh Nguyen | Nimzo-Larsen Attack: Modern Variation | |
| May 16, 2026 | Hlavac | 1–0 | Rataj | Round 5: Hlavac, Rudolf - Rataj, Petr | Petrov's Defense: Modern Attack, Center Variation | |
| May 16, 2026 | Rataj | 1–0 | Koten | Round 4: Rataj, Petr - Koten, Vojtech | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| May 16, 2026 | Dudek | 1–0 | Rataj | Round 3: Dudek, Jan - Rataj, Petr | King's Indian Defense | |
| May 16, 2026 | Honcharov | 1–0 | Rataj | Round 1: Honcharov, Makar - Rataj, Petr | Petrov's Defense: Paulsen Attack | |
| May 16, 2026 | sourozenci Kůsovi | 0–1 | Rataj | Round 1: sourozenci Kůsovi - Rataj, Petr | King's Indian Defense: Orthodox Variation, Positional Defense | |
