| — | Krejci | ½–½ | Efimenko | Schachbundesliga | Ruy Lopez: Closed, Delayed Exchange | |
| — | Predojevic | 1–0 | Krejci | Schachbundesliga | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| May 12, 2026 | Krejci | ½–½ | Zilka | Round 7: Krejci, Jan - Zilka, Stepan | Semi-Slav Defense: Stoltz Variation | |
| May 12, 2026 | Stocek | 1–0 | Krejci | Round 8: Stocek, Jiri - Krejci, Jan | Ruy Lopez: Closed, Keres Defense | |
| May 12, 2026 | Hrbek | 0–1 | Krejci | Round 6: Hrbek, Stepan - Krejci, Jan | Sicilian Defense: Taimanov Variation | |
| May 12, 2026 | Krejci | ½–½ | Kriebel | Round 5: Krejci, Jan - Kriebel, Tadeas | English Opening: King's English Variation, Four Knights Variation, Quiet Line | |
| May 11, 2026 | Navara | 1–0 | Krejci | Round 4: Navara, David - Krejci, Jan | Ruy Lopez: Closed, Breyer Defense, Zaitsev Hybrid | |
| May 10, 2026 | Krejci | ½–½ | Finek | Round 3: Krejci, Jan - Finek, Vaclav | Queen's Gambit Declined: Tartakower Defense, Makogonov Exchange Variation | |
| May 9, 2026 | Stalmach | ½–½ | Krejci | Round 2: Stalmach, Richard - Krejci, Jan | Nimzo-Indian Defense: Classical Variation, Berlin Variation, Pirc Variation | |
| May 8, 2026 | Krejci | 1–0 | Nemec | Round 1: Krejci, Jan - Nemec, Jachym | English Opening: Agincourt Defense | |
| May 6, 2026 | Krejci | 1–0 | Vykouk | Round 9: Krejci, Jan - Vykouk, Jan | Nimzo-Indian Defense: Classical Variation, Noa Variation | |
| Apr 23, 2026 | Rybka | ½–½ | Krejci | SVK Extraliga 2024/2025 | Sicilian Defense: French Variation | |
| Apr 23, 2026 | Krejci | ½–½ | Kriebel | SVK Extraliga 2024/2025 | Indian Defense: Anti-Nimzo-Indian | |
| Mar 29, 2026 | Krejci | ½–½ | Movsesian | Round 11: Krejci, Jan - Movsesian, Sergei | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Mar 28, 2026 | Rubes | ½–½ | Krejci | Round 10: Rubes, Jan - Krejci, Jan | English Opening: King's English Variation, Two Knights Variation, Smyslov System | |
| Mar 1, 2026 | Krejci | 0–1 | Kjartansson | SBL München | Nimzo-Indian Defense: Classical Variation, Noa Variation | |
| Feb 28, 2026 | Koellner | ½–½ | Krejci | SBL München | Queen's Pawn Game: Zukertort Variation | |
| Feb 22, 2026 | Kempinski | 1–0 | Krejci | Round 8: Kempinski, Robert - Krejci, Jan | English Opening: Anglo-Indian Defense, Nimzo-English | |
| Feb 21, 2026 | Krejci | 1–0 | Krzyzanowski | Round 7: Krejci, Jan - Krzyzanowski, Marcin | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6 | |
| Jan 11, 2026 | Krejci | ½–½ | Ponomariov | Round 6: Krejci, Jan - Ponomariov, Ruslan | Nimzo-Indian Defense: Normal Variation, Botvinnik System | |
| Jan 10, 2026 | Pechac | ½–½ | Krejci | Round 5: Pechac, Jergus - Krejci, Jan | Queen's Gambit Declined | |
| Dec 15, 2025 | Soucek | 1–0 | Krejci | Round 9 (1 match held early): Soucek, Jan - Krejci, Jan | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Dec 14, 2025 | Stinka | 0–1 | Krejci | Round 4: Stinka, Jakub - Krejci, Jan | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| Dec 13, 2025 | Krejci | 1–0 | Kantans | Round 3: Krejci, Jan - Kantans, Toms | Indian Defense: West Indian Defense | |
| Nov 30, 2025 | Krejci | 1–0 | Havelka | Round 2: Krejci, Jan - Havelka, Josef | Benko Gambit Accepted: Modern Variation | |
| Nov 29, 2025 | Nguyen | ½–½ | Krejci | Round 1: Nguyen, Thai Dai Van - Krejci, Jan | Slav Defense: Exchange Variation, Symmetrical Line | |
| Apr 27, 2025 | Krejci | ½–½ | Ragger | Schachbundesliga | Four Knights Game: Scotch Variation Accepted | |
| Apr 26, 2025 | Sindarov | 1–0 | Krejci | Schachbundesliga | Petrov's Defense: Modern Attack | |
| Apr 25, 2025 | Sarana | ½–½ | Krejci | Schachbundesliga | Nimzo-Indian Defense: Normal Variation, Botvinnik System | |
| Mar 30, 2025 | Delgerdalai | ½–½ | Krejci | Round 11: Delgerdalai, Bayarjavkhlan - Krejci, Jan | Ruy Lopez: Closed, Martinez Variation | |
| Mar 29, 2025 | Movsesian | ½–½ | Krejci | Round 10: Movsesian, Sergei - Krejci, Jan | Petrov's Defense: Kaufmann Attack | |
| Mar 28, 2025 | Krejci | 0–1 | Gumularz | Round 9: Krejci, Jan - Gumularz, Szymon | English Defense | |
| Mar 23, 2025 | Vrolijk | 1–0 | Krejci | schachbundesliga20242025 | King's Indian Attack | |
| Mar 22, 2025 | Krejci | ½–½ | Stevic | schachbundesliga20242025 | English Opening: Caro-Kann Defensive System | |
| Feb 23, 2025 | Razafindratsima | ½–½ | Krejci | Bundesliga 24/25 | English Opening: Mikenas-Carls Variation | |
| Feb 22, 2025 | Krejci | ½–½ | Maiwald | Bundesliga 24/25 | Nimzo-Indian Defense: Rubinstein System | |
| Jan 26, 2025 | Kantans | 1–0 | Krejci | Round 6: Kantans, Toms - Krejci, Jan | Ruy Lopez: Morphy Defense, Duras Variation | |
| Jan 25, 2025 | Krejci | 0–1 | Samunenkov | Round 5: Krejci, Jan - Samunenkov, Ihor | Nimzo-Indian Defense: Sämisch Variation | |
| Mar 16, 2025 | Vykouk | ½–½ | Krejci | TIPOS extraliga | Four Knights Game: Scotch Variation Accepted | |
| Mar 15, 2025 | Krejci | 0–1 | Hrbek | TIPOS Extraliga | English Opening: Agincourt Defense | |
| Feb 9, 2025 | Krejci | ½–½ | Navara | Round 8: Krejci, Jan - Navara, David | Nimzo-Indian Defense: Normal Variation, Botvinnik System | |
| Feb 8, 2025 | Michalik | ½–½ | Krejci | Round 7: Michalik, Peter - Krejci, Jan | Queen's Indian Defense: Classical Variation, Polugaevsky Gambit | |
| Dec 14, 2024 | Stalmach | 0–1 | Krejci | Round 3: Stalmach, Richard - Krejci, Jan | Queen's Gambit Declined: Barmen Variation | |
| Nov 24, 2024 | Krejci | 1–0 | Aczel | SVK Extraliga 2024/2025 | English Opening: Mikenas-Carls Variation | |
| Nov 23, 2024 | Sahidi | ½–½ | Krejci | SVK Extraliga 2024/2025 | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Nov 3, 2024 | Straka | 0–1 | Krejci | Round 2: Straka, Vojtech - Krejci, Jan | English Opening: Mikenas-Carls Variation | |
| Nov 2, 2024 | Krejci | ½–½ | Miesbauer | Round 1: Krejci, Jan - Miesbauer, Jan | Queen's Gambit Declined | |
| Oct 5, 2024 | Krejci | 0–1 | Huschenbeth | Schachbundesliga 2024 / 2025 | Queen's Gambit Accepted: Classical Defense, Rubinstein Variation | |
| Sep 20, 2024 | Krejci | 0–1 | Piorun | 45th FIDE Chess Olympiad | English Defense | |
| Sep 16, 2024 | Krejci | 0–1 | Olsen | 45th FIDE Chess Olympiad | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Sep 15, 2024 | Krejci | 1–0 | Moayad | 45th FIDE Chess Olympiad | English Opening: Symmetrical Variation, Fianchetto Variation | |
| Sep 13, 2024 | Preotu | 1–0 | Krejci | 45th FIDE Chess Olympiad | King's Indian Attack | |
| Sep 12, 2024 | Krejci | ½–½ | Baasansuren | 45th FIDE Chess Olympiad | Queen's Gambit Declined: Ragozin Defense, Alekhine Variation | |
| Sep 11, 2024 | Savva | 0–1 | Krejci | 45th FIDE Chess Olympiad | Queen's Gambit Declined: Queen's Knight Variation | |
| Aug 11, 2024 | Krejci | 1–0 | Pribyl | Olomouc 2024 - S50 | English Opening: Symmetrical Variation | |
| Aug 11, 2024 | Kastner | 1–0 | Krejci | Olomouc 2024 - S50 | Torre Attack: Fianchetto Defense | |
| Apr 28, 2024 | Krejci | ½–½ | Michalik | Bundesliga 2023/2024 | Nimzo-Indian Defense: Three Knights Variation | |
| Apr 27, 2024 | Hoeffer | 0–1 | Krejci | Bundesliga 2023/2024 | Rapport-Jobava System | |
| Apr 7, 2024 | Krejci | 1–0 | Miesbauer | Extraliga družstev 2023/2024 - 3 | English Opening: Mikenas-Carls Variation | |
| Apr 6, 2024 | Anton Guijarro | 0–1 | Krejci | Extraliga družstev 2023/2024 - 2 | Ruy Lopez: Closed, Keres Defense | |
| Apr 5, 2024 | Krejci | 1–0 | Laznicka | Extraliga družstev 2023/2024 - 3 | English Defense | |
| Mar 17, 2024 | Krejci | 0–1 | Papp | Schachbundesliga 2023 / 2024 | Catalan Opening: Open Defense | |
| Mar 16, 2024 | Gavrilescu | 0–1 | Krejci | Schachbundesliga 2023 / 2024 | Scotch Game: Potter Variation | |
| Feb 25, 2024 | Van Wely | ½–½ | Krejci | Schachbundesliga 23/24 | Semi-Slav Defense | |
| Feb 24, 2024 | Krejci | ½–½ | Beerdsen | Schachbundesliga 23/24 | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Feb 23, 2024 | Burg | ½–½ | Krejci | Schachbundesliga 23/24 | Ruy Lopez: Closed, Flohr System | |
| Feb 11, 2024 | Finek | ½–½ | Krejci | Round 8: Finek, Vaclav - Krejci, Jan | Slav Defense: Modern Line | |
| Feb 10, 2024 | Krejci | 1–0 | Vrolijk | Round 7: Jan Krejci - Liam Vrolijk | Queen's Pawn Game: London System | |
| Jan 28, 2024 | Hrbek | 0–1 | Krejci | Round 6: Stepan Hrbek - Jan Krejci | Sicilian Defense: Kan Variation, Modern Variation | |
| Jan 14, 2024 | Krejci | ½–½ | Gustafsson | Tunier | Nimzo-Indian Defense: Reshevsky Variation | |
| Jan 13, 2024 | Kryvoruchko | 1–0 | Krejci | Tunier | Ruy Lopez: Closed, Chigorin Defense | |
| Dec 15, 2024 | Krejci | 1–0 | Kempinski | Round 4: Krejci, Jan - Kempinski, Robert | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| May 5, 2024 | Sahidi | ½–½ | Krejci | extraliga 2023 2024 | Ruy Lopez: Morphy Defense, Cozio Defense | |
| May 4, 2024 | Krejci | 1–0 | Turcan | Extraliga 2023 2024 | Indian Defense: London System | |
| May 3, 2024 | Krejci | ½–½ | Karacsonyi | extraliga 2023 2024 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Dec 3, 2023 | Kasimdzhanov | 1–0 | Krejci | Deutsche Bundesliga 2023/2024 | Ruy Lopez: Closed, Keres Defense | |
| Dec 2, 2023 | Krejci | 1–0 | Cornette | Deutsche Bundesliga 2023/2024 | Queen's Gambit Declined: Westphalian Variation | |
| Nov 5, 2023 | Krejci | ½–½ | Michalik | SVK ECo-C Extraliga 2023/2024 | Sicilian Defense: Najdorf Variation, English Attack | |
| Nov 4, 2023 | Hrbek | 1–0 | Krejci | SVK ECo-C Extraliga 2023/2024 | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| Oct 22, 2023 | Baidetskyi | 0–1 | Krejci | 2 Tunier | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Oct 21, 2023 | Krejci | ½–½ | Dragnev | 1 Tunier | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Aug 19, 2023 | Krejci | 0–1 | Nikolaev | MCR 50+ | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Aug 19, 2023 | Plat | ½–½ | Krejci | Olomouc 2023 | Queen's Pawn Game: London System | |
| Aug 18, 2023 | Krejci | ½–½ | Pap | Olomouc 2023 | English Opening: Agincourt Defense | |
| Aug 18, 2023 | Jiruse | ½–½ | Krejci | MCR 50+ | Bird Opening: Dutch Variation | |
| Aug 17, 2023 | Krejci | 1–0 | Natsidis | Olomouc 2023 | Sicilian Defense: French Variation, Westerinen Attack | |
| Aug 17, 2023 | Bartos | 1–0 | Krejci | MCR 50+ | Queen's Gambit Declined | |
| Aug 16, 2023 | Krejci | ½–½ | Wiley | MCR 50+ | Réti Opening: Advance Variation | |
| Aug 16, 2023 | Sorm | 0–1 | Krejci | Olomouc 2023 | Queen's Gambit Declined: Charousek Variation | |
| Aug 15, 2023 | Krejci | 0–1 | Gnojek | Olomouc 2023 | Queen's Pawn Game: Veresov Attack, Dutch System | |
| Aug 14, 2023 | Zidu | 0–1 | Krejci | MCR 50+ | Modern Defense: Standard Line | |
| Aug 14, 2023 | Poltorak | ½–½ | Krejci | Olomouc 2023 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Aug 13, 2023 | Krejci | ½–½ | Szwed | Olomouc 2023 | Indian Defense: London System | |
| Aug 13, 2023 | Krejci | 1–0 | Petras | MCR 50+ | Réti Opening | |
| Aug 13, 2023 | Frank | 0–1 | Krejci | Olomouc 2023 | Ruy Lopez: Morphy Defense, Classical Defense Deferred | |
| Aug 13, 2023 | Navratil | ½–½ | Krejci | MCR 50+ | Queen's Pawn Game: London System | |
| Aug 12, 2023 | Krejci | 1–0 | Stinka | Olomouc 2023 | Queen's Pawn Game: London System | |
| Aug 12, 2023 | Krejci | 1–0 | Hubeny | MCR 50+ | Dutch Defense: Stonewall Variation, Modern Variation | |
| Jul 16, 2023 | Krejci | ½–½ | Pulpan | Czech Open 2023 - E | Nimzo-Indian Defense: Reshevsky Variation | |
| Jul 16, 2023 | Vitak | 0–1 | Krejci | Czech Open 2023 - E | Queen's Gambit Declined | |