| 23 jul 2026 | Horak, Jan 2081 | Kastner, Oldrich 2017 | 1-0 | C00 Defensa Francesa: King's Indian Attack | CZECH OPEN 2026 - G1 - PARDUBICKY KRAJ OPEN | 19 | Ver |
| 23 jul 2026 | Buchcar, Tomas 2176 | Kastner, Oldrich 2017 | 1-0 | A34 Apertura Inglesa: Symmetrical Variation, Rubinstein Variation | CZECH OPEN 2026 - G1 - PARDUBICKY KRAJ OPEN | 58 | Ver |
| 22 jul 2026 | Brejnik, Gustav 2229 | Kastner, Oldrich 2017 | ½-½ | E15 Defensa India de Dama: Fianchetto Variation | CZECH OPEN 2026 - G1 - PARDUBICKY KRAJ OPEN | 59 | Ver |
| 22 jul 2026 | Rasik, Vitezslav 2381 | Kastner, Oldrich 2017 | 1-0 | C00 Defensa Francesa: King's Indian Attack | CZECH OPEN 2026 - G1 - PARDUBICKY KRAJ OPEN | 30 | Ver |