| Apr 23, 2026 | Hajek | 0–1 | Bouska | SVK Extraliga 2024/2025 | Rapport-Jobava System | |
| Oct 4, 2025 | Hajek | ½–½ | Svizensky | Round 9: Hajek, Oskar - Svizensky, Lubos | Rapport-Jobava System | |
| Oct 4, 2025 | Hajek | 1–0 | Kubat | Round 8: Hajek, Oskar - Kubat, Pavel | French Defense: Winawer Variation, Advance Variation | |
| Oct 4, 2025 | Zwardon | 1–0 | Hajek | Round 7: Zwardon, Vojtech - Hajek, Oskar | English Opening: Agincourt Defense | |
| Oct 4, 2025 | Hajek | 1–0 | Dvoulety | Round 6: Hajek, Oskar - Dvoulety, Tomas | Rapport-Jobava System | |
| Oct 4, 2025 | Kratochvil | 1–0 | Hajek | Round 5: Kratochvil, Karel - Hajek, Oskar | French Defense: Exchange Variation, Monte Carlo Variation | |
| Oct 4, 2025 | Kredl | 0–1 | Hajek | Round 4: Kredl, Karel - Hajek, Oskar | Queen's Gambit Accepted: Janowski-Larsen Variation | |
| Oct 4, 2025 | Hajek | ½–½ | Nekula | Round 3: Hajek, Oskar - Nekula, Richard | Pirc Defense | |
| Oct 4, 2025 | Prucek | 0–1 | Hajek | Round 2: Prucek, Ladislav - Hajek, Oskar | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Oct 4, 2025 | Hajek | 1–0 | Richterova | Round 1: Hajek, Oskar - Richterova, Natasa | English Opening: Anglo-Scandinavian Defense | |
| Jul 24, 2025 | Ret | 1–0 | Hajek | CZECH OPEN 2025 - G1 - PARDUBICKÝ KRAJ OPEN - rapid tournament | English Opening: King's English Variation | |
| Jul 24, 2025 | Vrana | 1–0 | Hajek | CZECH OPEN 2025 - G1 - PARDUBICKÝ KRAJ OPEN - rapid tournament | Zukertort Opening: Black Mustang Defense | |
| Jul 24, 2025 | Ligotnis | 1–0 | Hajek | CZECH OPEN 2025 - G1 - PARDUBICKÝ KRAJ OPEN - rapid tournament | Philidor Defense: Lion Variation | |
| Jul 23, 2025 | Hajek | 0–1 | Roshka | CZECH OPEN 2025 - G1 - PARDUBICKÝ KRAJ OPEN - rapid tournament | Indian Defense | |
| Jul 23, 2025 | Rasik | ½–½ | Hajek | CZECH OPEN 2025 - G1 - PARDUBICKÝ KRAJ OPEN - rapid tournament | Ruy Lopez: Morphy Defense, Schliemann Defense Deferred | |
| Jul 13, 2025 | Hajek | 1–0 | Rybacek | Round 7: Hajek, Oskar - Rybacek, Martin | Grünfeld Defense: Exchange Variation | |
| Jul 12, 2025 | Hajek | 1–0 | Jan Pomikálek | Round 7: Hajek, Oskar - Jan Pomikálek | ? | |
| Jul 12, 2025 | Sorf | 0–1 | Hajek | Round 5: Sorf, Filip - Hajek, Oskar | ? | |
| Jul 12, 2025 | Hajek | * | Winter | Round 4: Hajek, Oskar - Winter, Ondrej | ? | |
| Jul 12, 2025 | Prochazka | 0–1 | Hajek | Round 6: Prochazka, Petr - Hajek, Oskar | Pirc Defense | |
| Jul 12, 2025 | Babula | 0–1 | Hajek | Round 3: Babula, Vlastimil - Hajek, Oskar | ? | |
| Jul 12, 2025 | Hajek | 0–1 | Velim | Round 2: Hajek, Oskar - Velim, Vojtech | ? | |
| Jul 12, 2025 | Strnadova | 0–1 | Hajek | Round 1: Strnadova, Monika - Hajek, Oskar | ? | |
| Jul 11, 2025 | Hajek | 1–0 | Policar | Round 5: Hajek, Oskar - Policar, Martin | Caro-Kann Defense: Advance Variation, Van der Wiel Attack | |
| Jul 9, 2025 | Hajek | 1–0 | Paczka | Round 3: Hajek, Oskar - Paczka, Patryk | King's Indian Defense: Makogonov Variation | |
| Jul 9, 2025 | Kolbusovsky | 1–0 | Hajek | Round 11: Kolbusovsky, Michal - Hajek, Oskar | Pirc Defense | |
| Jul 9, 2025 | Hajek | 1–0 | Krizek | Round 10: Hajek, Oskar - Krizek, Krystof | Modern Defense: Standard Defense | |
| Jul 9, 2025 | Ocelak | 1–0 | Hajek | Round 9: Ocelak, Jakub - Hajek, Oskar | Ruy Lopez: Morphy Defense, Schliemann Defense Deferred | |
| Jul 9, 2025 | Velim | ½–½ | Hajek | Round 8: Velim, Vojtech - Hajek, Oskar | Petrov's Defense: Modern Attack, Trifunovic Variation | |
| Jul 9, 2025 | Hajek | 1–0 | Polansky | Round 7: Hajek, Oskar - Polansky, Jiri | Rapport-Jobava System, with e6 | |
| Jul 9, 2025 | Hajek | 1–0 | Hronek | Round 5: Hajek, Oskar - Hronek, Ondrej | Rapport-Jobava System | |
| Jul 9, 2025 | Borkovec | 0–1 | Hajek | Round 4: Borkovec, Ondrej - Hajek, Oskar | Queen's Gambit Declined: Albin Countergambit | |
| Jul 9, 2025 | Jun | 1–0 | Hajek | Round 3: Jun, Rudolf - Hajek, Oskar | English Opening: King's English Variation, Two Knights Variation | |
| Jul 9, 2025 | Hajek | 1–0 | Eichler | Round 1: Hajek, Oskar - Eichler, Bretislav | French Defense: Paulsen Variation | |
| Jul 8, 2025 | Kolbusovsky | 0–1 | Hajek | Round 7: Kolbusovsky, Michal - Hajek, Oskar | Ruy Lopez: Exchange Variation, King's Bishop Variation | |
| Jul 8, 2025 | Zemen | 0–1 | Hajek | Round 5: Zemen, Pavel - Hajek, Oskar | Hungarian Opening | |
| Jul 8, 2025 | Hajek | 1–0 | Svacina | Round 4: Hajek, Oskar - Svacina, Tobias | Rapport-Jobava System | |
| Jul 8, 2025 | Policar | 1–0 | Hajek | Round 3: Policar, Martin - Hajek, Oskar | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Jul 8, 2025 | Hajek | 1–0 | Svadlenka | Round 2: Hajek, Oskar - Svadlenka, Michal | Rapport-Jobava System | |
| Jul 8, 2025 | Bambousek | 0–1 | Hajek | Round 1: Bambousek, Zdenek - Hajek, Oskar | French Defense: Queen's Knight | |
| Jul 5, 2025 | Babula | * | Hajek | Round 6: Babula, Vlastimil - Hajek, Oskar | King's Indian Attack: Sicilian Variation | |
| Jul 5, 2025 | Hajek | 0–1 | Babula | Round 2: Hajek, Oskar - Babula, Vlastimil | Indian Defense: Reversed Chigorin Defense | |
| Jul 5, 2025 | Hajek | 0–1 | Soucek | Round 6: Hajek, Oskar - Soucek, Petr | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jul 5, 2025 | Pribyl | 1–0 | Hajek | Round 4: Pribyl, Josef - Hajek, Oskar | Réti Opening: Reversed Blumenfeld Gambit | |
| Jul 5, 2025 | Velim | ½–½ | Hajek | Round 2: Velim, Vojtech - Hajek, Oskar | Petrov's Defense: Nimzowitsch Attack | |
| Jul 5, 2025 | Hajek | 1–0 | Burgermeister | Round 1: Hajek, Oskar - Burgermeister, Michal | Rapport-Jobava System | |
| May 11, 2025 | Seidl | ½–½ | Hajek | Round 9: Seidl, Jan - Hajek, Oskar | English Opening: King's English Variation, Two Knights Variation, Fianchetto Line | |
| May 10, 2025 | Jun | 1–0 | Hajek | Round 13: Jun, Rudolf - Hajek, Oskar | Pirc Defense | |
| May 10, 2025 | Hajek | 1–0 | Triantafilidis | Round 12: Hajek, Oskar - Triantafilidis, Mihail | Czech Defense | |
| May 10, 2025 | Seidl | 0–1 | Hajek | Round 10: Seidl, Jan - Hajek, Oskar | Queen's Gambit Declined: Albin Countergambit | |
| May 10, 2025 | Hajek | 1–0 | Machacek | Round 9: Hajek, Oskar - Machacek, Jan | Sicilian Defense: Chekhover Variation | |
| May 10, 2025 | Zelba | ½–½ | Hajek | Round 8: Zelba, Lukas - Hajek, Oskar | Scotch Game: Mieses Variation | |
| May 10, 2025 | Hajek | 1–0 | Setina | Round 7: Hajek, Oskar - Setina, Vaclav | Rapport-Jobava System | |
| May 10, 2025 | Cagasik | ½–½ | Hajek | Round 6: Cagasik, Tomas - Hajek, Oskar | King's Gambit Accepted: Schallopp Defense | |
| May 10, 2025 | Hajek | ½–½ | Vojta | Round 5: Hajek, Oskar - Vojta, Jakub | Rapport-Jobava System | |
| May 10, 2025 | Zemen | 0–1 | Hajek | Round 4: Zemen, Pavel - Hajek, Oskar | Hungarian Opening | |
| May 10, 2025 | Hajek | 0–1 | Babula | Round 3: Hajek, Oskar - Babula, Matej | Sicilian Defense: Closed | |
| May 10, 2025 | Janco | 0–1 | Hajek | Round 2: Janco, Darius - Hajek, Oskar | Queen's Pawn Game: London System | |
| May 10, 2025 | Hajek | 1–0 | Druska | Round 1: Hajek, Oskar - Druska, Pavol | English Opening: King's English Variation, Reversed Sicilian | |
| May 10, 2025 | Hajek | ½–½ | Soucek | Round 8: Hajek, Oskar - Soucek, Jan | Sicilian Defense: Four Knights Variation | |
| May 9, 2025 | Hajek | 0–1 | Delgerdalai | Round 11: Hajek, Oskar - Delgerdalai, Bayarjavkhlan | Rapport-Jobava System | |
| May 9, 2025 | Hajek | 1–0 | Hanl | Round 7: Hajek, Oskar - Hanl, Frantisek | Rapport-Jobava System | |
| May 9, 2025 | Winter | 1–0 | Hajek | Round 6: Winter, Ondrej - Hajek, Oskar | Petrov's Defense: Nimzowitsch Attack | |
| May 8, 2025 | Hajek | ½–½ | Jun | Round 5: Hajek, Oskar - Jun, Rudolf | Sicilian Defense: Snyder Variation | |
| May 7, 2025 | Varga | 0–1 | Hajek | Round 4: Varga, Csaba Zoltan - Hajek, Oskar | Anderssen's Opening | |
| May 7, 2025 | Hajek | 1–0 | Orgon | Round 3: Hajek, Oskar - Orgon, Dusan | French Defense: Tarrasch Variation, Guimard Defense, Main Line | |
| May 6, 2025 | Hajek | 1–0 | Vokoun | Round 1: Hajek, Oskar - Vokoun, Michal | Sicilian Defense: Hyperaccelerated Dragon | |
| May 6, 2025 | Budil | 0–1 | Hajek | Round 2: Budil, Vaclav - Hajek, Oskar | Vienna Game: Vienna Gambit, Bardeleben Variation | |
| Mar 16, 2025 | Hajek | ½–½ | Krak | Extraliga 2024 | Rapport-Jobava System | |
| Mar 15, 2025 | Cech | ½–½ | Hajek | Extraliga 2024 | Queen's Gambit Accepted: Old Variation | |
| Jan 19, 2025 | Hajek | ½–½ | Motuz | Extraliga 2024/25 | Four Knights Game: Scotch Variation Accepted | |
| Jan 18, 2025 | Skreko | 1–0 | Hajek | SVK Extraliga 2024/2025 | Ruy Lopez: Morphy Defense, Schliemann Defense Deferred | |
| May 8, 2024 | Hajek | 1–0 | Mudrak | Round 9: Hajek, Oskar - Mudrak, Josef | Pirc Defense | |
| May 8, 2024 | Delgerdalai | ½–½ | Hajek | Round 8: Delgerdalai, Bayarjavkhlan - Hajek, Oskar | Ruy Lopez: Morphy Defense, Schliemann Defense Deferred | |
| May 8, 2024 | Hajek | 0–1 | Chkhaidze | Round 6: Hajek, Oskar - Chkhaidze, Nikoloz | Sicilian Defense: Chekhover Variation | |
| May 8, 2024 | Starek | ½–½ | Hajek | Round 5: Starek, Stanislav - Hajek, Oskar | Sicilian Defense: Moscow Variation, Main Line | |
| May 8, 2024 | Hajek | 1–0 | Bezdek | Round 4: Hajek, Oskar - Bezdek, Tomas | French Defense: Tarrasch Variation, Guimard Defense | |
| Aug 25, 2024 | Hajek | ½–½ | Soural | Round 9: Hajek, Oskar - Soural, Jan | Rapport-Jobava System | |
| Aug 24, 2024 | Slovak | ½–½ | Hajek | Round 8: Slovak, Kilian - Hajek, Oskar | Alekhine Defense: Exchange Variation, Voronezh Variation | |
| Aug 23, 2024 | Hajek | 1–0 | Gnida | Round 7: Hajek, Oskar - Gnida, Patrik | Petrov's Defense: Modern Attack, Center Attack | |
| Aug 22, 2024 | Banasik | 0–1 | Hajek | Round 6: Banasik, Krzysztof - Hajek, Oskar | Queen's Gambit Accepted: Janowski-Larsen Variation | |
| Aug 21, 2024 | Hajek | ½–½ | Polak | Round 5: Hajek, Oskar - Polak, Tomas | Sicilian Defense: Hyperaccelerated Fianchetto | |
| Aug 20, 2024 | Hanl | 0–1 | Hajek | Round 4: Hanl, Frantisek - Hajek, Oskar | Bishop's Opening: Vienna Hybrid | |
| Aug 19, 2024 | Hajek | ½–½ | Munk | Round 3: Hajek, Oskar - Munk, Petr | Indian Defense | |
| Aug 18, 2024 | Olsar | 0–1 | Hajek | Round 2: Olsar, Robin - Hajek, Oskar | Ruy Lopez: Exchange Variation, King's Bishop Variation | |
| Aug 17, 2024 | Hajek | 1–0 | Slavinsky | Round 1: Hajek, Oskar - Slavinsky, Rostislav | Pirc Defense: 150 Attack, Sveshnikov-Jansa Attack | |
| Aug 16, 2024 | Hajek | 1–0 | Bazantova | Round 2: Hajek, Oskar - Bazantova, Marie | Nimzo-Larsen Attack: Classical Variation | |
| Aug 16, 2024 | Hajek | 1–0 | Gawlas | Round 4: Hajek, Oskar - Gawlas, Roman | French Defense: Tarrasch Variation, Morozevich Variation | |
| Aug 16, 2024 | Hajek | 1–0 | Karnik | Round 5: Hajek, Oskar - Karnik, Pavel | Scandinavian Defense: Lasker Variation | |
| Aug 16, 2024 | Hajek | 1–0 | Bednarik | Round 7: Hajek, Oskar - Bednarik, Josef | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Aug 16, 2024 | Hajek | 1–0 | Hasala | Round 9: Hajek, Oskar - Hasala, Richard | Sicilian Defense: French Variation, Westerinen Attack | |
| Aug 16, 2024 | Abrahamek | 0–1 | Hajek | Round 1: Abrahamek, David - Hajek, Oskar | Zukertort Opening: Black Mustang Defense | |
| Aug 16, 2024 | Beres | 0–1 | Hajek | Round 3: Beres, Dominik - Hajek, Oskar | Pirc Defense | |
| Aug 16, 2024 | Slovak | 1–0 | Hajek | Round 6: Slovak, Kilian - Hajek, Oskar | Ruy Lopez: Morphy Defense, Schliemann Defense Deferred | |
| Aug 16, 2024 | Krejca | 1–0 | Hajek | Round 8: Krejca, Jakub - Hajek, Oskar | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| — | Hajek | 1–0 | Luc | Round 2: Hajek, Oskar - Luc, Martin | Zukertort Opening: Reversed Grünfeld | |
| — | Hajek | ½–½ | Vyskocil | Round 4: Hajek, Oskar - Vyskocil, Neklan | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| — | Hajek | 1–0 | Vojtech | Round 6: Hajek, Oskar - Vojtech, Ladislav | Sicilian Defense: Najdorf Variation, Adams Attack | |
| — | Hajek | 1–0 | Schwandner | skalica b | Rapport-Jobava System | |
| — | Hajek | 0–1 | Jablonicky | skalica b | Rapport-Jobava System | |