| May 8, 2025 | Krejca | 1–0 | Krejcik | Round 4: Krejca, Jakub - Krejcik, Jiri | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| May 8, 2025 | Pazdera | 0–1 | Krejca | Round 3: Pazdera, Tomas - Krejca, Jakub | French Defense: Winawer Variation, Delayed Exchange Variation | |
| May 7, 2025 | Krejca | ½–½ | Bosak | Round 8: Krejca, Jakub - Bosak, Jan | French Defense: Exchange Variation | |
| May 7, 2025 | Pokrupa | ½–½ | Krejca | Round 7: Pokrupa, Marek - Krejca, Jakub | French Defense | |
| May 7, 2025 | Krejca | 1–0 | Garbuszus | Round 6: Krejca, Jakub - Garbuszus, Juergen | Sicilian Defense: Lasker-Pelikan Variation | |
| May 7, 2025 | Tegda | ½–½ | Krejca | Round 5: Tegda, Vojtech - Krejca, Jakub | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| May 7, 2025 | Krejca | 1–0 | Tyszecki | Round 2: Krejca, Jakub - Tyszecki, Aliaksandr | Scandinavian Defense: Marshall Variation | |
| May 7, 2025 | Fassler | 0–1 | Krejca | Round 1: Fassler, Felix - Krejca, Jakub | French Defense: Tarrasch Variation, Closed Variation | |
| Aug 16, 2024 | Krejca | 1–0 | Pukowietz | Round 2: Krejca, Jakub - Pukowietz, Patrik | Grünfeld Defense: Three Knights Variation, Burille Variation, Reversed Tarrasch | |
| Aug 16, 2024 | Krejca | 0–1 | Slovak | Round 4: Krejca, Jakub - Slovak, Kilian | Sicilian Defense: Lasker-Pelikan Variation | |
| Aug 16, 2024 | Krejca | 1–0 | Chrz | Round 6: Krejca, Jakub - Chrz, Pavel | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| Aug 16, 2024 | Krejca | 1–0 | Hajek | Round 8: Krejca, Jakub - Hajek, Oskar | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| Aug 16, 2024 | Motl | 0–1 | Krejca | Round 1: Motl, Matyas - Krejca, Jakub | French Defense: Advance Variation, Paulsen Attack | |
| Aug 16, 2024 | Matyska | 0–1 | Krejca | Round 3: Matyska, Jiri - Krejca, Jakub | Queen's Pawn Game: London System, with e6 | |
| Aug 16, 2024 | Mik | 0–1 | Krejca | Round 5: Mik, Tomas - Krejca, Jakub | French Defense: Exchange Variation | |
| Aug 16, 2024 | Banasik | 0–1 | Krejca | Round 7: Banasik, Krzysztof - Krejca, Jakub | French Defense: King's Indian Attack | |
| Aug 16, 2024 | Beres | 0–1 | Krejca | Round 9: Beres, Dominik - Krejca, Jakub | French Defense: Tarrasch Variation, Closed Variation, Main Line | |
| Jul 16, 2023 | Ludvik | 1–0 | Krejca | Czech Open 2023 - E | Queen's Gambit Declined: Harrwitz Attack | |
| Jul 15, 2023 | Biolek | 1–0 | Krejca | Czech Open 2023 - E | French Defense: Winawer Variation, Bogoljubow Variation | |
| Jul 14, 2023 | Suder | 1–0 | Krejca | Czech Open 2023 - E | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Mar 24, 2023 | Krejca | 0–1 | Frank | Czech Extraliga | Sicilian Defense: Najdorf Variation | |
| Dec 3, 2022 | Krejca | * | Cerveny | Czech Extraliga | Sicilian Defense: Boleslavsky Variation | |
| Oct 16, 2022 | Simek | 1–0 | Krejca | Czech Extraliga | Catalan Opening: Open Defense, Classical Line | |
| Apr 11, 2022 | Krejca | 1–0 | Goga | Pieniny 2022 | Sicilian Defense: Najdorf Variation, English Attack | |
| Apr 11, 2022 | Martinka | ½–½ | Krejca | Pieniny 2022 | French Defense: Tarrasch Variation, Closed Variation | |
| Apr 10, 2022 | Krejca | 1–0 | Pecho | Pieniny 2022 | Philidor Defense: Exchange Variation | |
| Apr 9, 2022 | Krejca | 0–1 | Valko | Pieniny 2022 | Sicilian Defense: Kalashnikov Variation | |
| Apr 9, 2022 | Krejca | ½–½ | Jablonicky | Pieniny 2022 | Sicilian Defense: Najdorf Variation, English Attack | |
| Apr 8, 2022 | Sekova | 0–1 | Krejca | Pieniny 2022 | French Defense: Tarrasch Variation, Closed Variation | |
| — | Krejca | 1–0 | Sadil | Round 1: Krejca, Jakub - Sadil, Antonin | Sicilian Defense: Kan Variation, Polugaevsky Variation | |
| — | Krejca | 0–1 | Lechowski | Round 3: Krejca, Jakub - Lechowski, Witold | Italian Game: Classical Variation, Greco Gambit | |
| — | Krejca | ½–½ | Karaszewski | Round 5: Krejca, Jakub - Karaszewski, Gabriel | French Defense: Exchange Variation | |
| — | Krejca | 1–0 | Dostal | Round 8: Krejca, Jakub - Dostal, Radim | French Defense: Winawer Variation, Poisoned Pawn Variation, Main Line | |
| — | Zrust | 0–1 | Krejca | Round 2: Zrust, Lukas - Krejca, Jakub | French Defense: Tarrasch Variation, Closed Variation | |
| — | Pelc | ½–½ | Krejca | Round 4: Pelc, Adam - Krejca, Jakub | Queen's Gambit Declined: Harrwitz Attack | |
| — | Hrbolka | 1–0 | Krejca | Round 6: Hrbolka, Ladislav - Krejca, Jakub | Queen's Gambit Declined: Harrwitz Attack, Fianchetto Defense | |
| — | Svadlenka | 0–1 | Krejca | Round 7: Svadlenka, Michal - Krejca, Jakub | French Defense: Winawer Variation, Poisoned Pawn Variation | |
| — | Tillmann | 0–1 | Krejca | Round 9: Tillmann, Tomas - Krejca, Jakub | French Defense: King's Indian Attack | |
