| Jul 23, 2026 | Horak | 1–0 | Kastner | CZECH OPEN 2026 - G1 - PARDUBICKY KRAJ OPEN | French Defense: King's Indian Attack | |
| Jul 23, 2026 | Buchcar | 1–0 | Kastner | CZECH OPEN 2026 - G1 - PARDUBICKY KRAJ OPEN | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Jul 22, 2026 | Brejnik | ½–½ | Kastner | CZECH OPEN 2026 - G1 - PARDUBICKY KRAJ OPEN | Queen's Indian Defense: Fianchetto Variation | |
| Jul 22, 2026 | Rasik | 1–0 | Kastner | CZECH OPEN 2026 - G1 - PARDUBICKY KRAJ OPEN | French Defense: King's Indian Attack | |
| Jul 24, 2025 | Kastner | 0–1 | Winter | CZECH OPEN 2025 - G1 - PARDUBICKÝ KRAJ OPEN - rapid tournament | Queen's Pawn Game: London System | |
| Jul 23, 2025 | Kastner | 0–1 | Gahan M G | CZECH OPEN 2025 - G1 - PARDUBICKÝ KRAJ OPEN - rapid tournament | Torre Attack: Fianchetto Defense | |
| Jul 23, 2025 | Kastner | 0–1 | Delgerdalai | CZECH OPEN 2025 - G1 - PARDUBICKÝ KRAJ OPEN - rapid tournament | Indian Defense: London System | |
| Aug 11, 2024 | Kastner | 1–0 | Krejci | Olomouc 2024 - S50 | Torre Attack: Fianchetto Defense | |
| Aug 11, 2024 | Linik | 0–1 | Kastner | Olomouc 2024 - S50 | French Defense: Tarrasch Variation, Closed Variation | |
| Jul 18, 2024 | Kastner | 1–0 | Pejrimovska | MCR Rapid G1 | Torre Attack: Fianchetto Defense | |
| Jul 18, 2024 | Kastner | 1–0 | Skoloud | MCR Rapid G1 | Queen's Pawn Game: Accelerated London System | |
| Jul 18, 2024 | Kastner | 0–1 | Jares | MCR Rapid G1 | Indian Defense: London System | |
| Jul 18, 2024 | Berin | 1–0 | Kastner | MCR Rapid G1 | Nimzo-Indian Defense: Normal Variation | |
| Jul 18, 2024 | Hosticka | 1–0 | Kastner | MCR Rapid G1 | French Defense: Advance Variation | |
| Jul 18, 2024 | Direk | 0–1 | Kastner | MCR Rapid G1 | Rapport-Jobava System | |
| Jul 17, 2024 | Kastner | 0–1 | Movsesian | MCR Rapid G1 | Torre Attack: Fianchetto Defense | |
| Jul 17, 2024 | Kroulik | 0–1 | Kastner | MCR Rapid G1 | Alekhine Defense | |
| Aug 19, 2023 | Kastner | ½–½ | Vales | MCR 50+ | Queen's Pawn Game: Accelerated London System | |
| Aug 18, 2023 | Cap | 1–0 | Kastner | MCR 50+ | Torre Attack: Classical Defense, Nimzowitsch Variation | |
| Aug 17, 2023 | Kastner | ½–½ | Jiruse | MCR 50+ | Dutch Defense: Staunton Gambit, Chigorin Variation | |
| Aug 16, 2023 | Llopis de Aysa | 0–1 | Kastner | MCR 50+ | Queen's Indian Defense: Fianchetto Variation | |
| Aug 14, 2023 | Kastner | 0–1 | Wiley | MCR 50+ | Queen's Pawn Game: London System | |
| Aug 13, 2023 | Kastner | ½–½ | Molnar | MCR 50+ | Queen's Pawn Game: Accelerated London System | |
| Aug 13, 2023 | Pribyl | 0–1 | Kastner | MCR 50+ | Nimzo-Indian Defense | |
| Aug 12, 2023 | Laloucek | 0–1 | Kastner | MCR 50+ | Bird Opening | |
| — | Kastner | 0–1 | Bartos | Olomouc 2024 - S50 | Torre Attack: Fianchetto Defense | |
| — | Kastner | ½–½ | Malinovsky | Olomouc 2024 - S50 | Queen's Pawn Game: Accelerated London System | |
| — | Richter | 0–1 | Kastner | Olomouc 2024 - S50 | French Defense: Advance Variation | |
| — | Simecek | ½–½ | Kastner | Olomouc 2024 - S50 | Nimzo-Indian Defense: Classical Variation, Berlin Variation | |
| — | Vecera | ½–½ | Kastner | Olomouc 2024 - S50 | Alekhine Defense: Modern Variation, Flohr Variation | |
| — | Boleslav | ½–½ | Kastner | Olomouc 2024 - S50 | French Defense: MacCutcheon Variation, Exchange Variation | |