| — | Glantz | 1–0 | Soucek | new tournament description | Caro-Kann Defense: Endgame Offer | |
| Jan 11, 2026 | Soucek | 1–0 | Horak | Round 6: Soucek, Jan - Horak, Martin | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jan 10, 2026 | Baklan | 1–0 | Soucek | Round 5: Baklan, Vladimir - Soucek, Jan | Sicilian Defense: Four Knights Variation | |
| 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 | Soucek | 1–0 | Biolek | Round 4: Soucek, Jan - Biolek, Richard Jr. | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |
| Dec 13, 2025 | Soucek | 0–1 | Zima | Round 3: Soucek, Jan - Zima, Jan | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line | |
| Nov 30, 2025 | Hrbek | ½–½ | Soucek | Round 2: Hrbek, Stepan - Soucek, Jan | Semi-Slav Defense: Botvinnik Variation | |
| Nov 29, 2025 | Vyprachticky | 1–0 | Soucek | Round 1: Vyprachticky, David - Soucek, Jan | Semi-Slav Defense: Stoltz Variation | |
| Oct 8, 2025 | Milikow | 1–0 | Soucek | Round 5: Milikow, Elie - Soucek, Jan | King's Indian Attack | |
| Oct 7, 2025 | Soucek | 0–1 | Bai | Round 4: Soucek, Jan - Bai, Adelard | English Opening: King's English Variation | |
| Oct 6, 2025 | Soucek | 1–0 | von Mettenheim | Round 3: Soucek, Jan - von Mettenheim, Johannes | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Sep 7, 2025 | Roubalik | 1–0 | Soucek | MCR druzstev 25 - blesk | Semi-Slav Defense: Botvinnik Variation | |
| Sep 7, 2025 | Brozka | 1–0 | Soucek | MCR druzstev 25 - blesk | Semi-Slav Defense | |
| Sep 7, 2025 | Soucek | ½–½ | Delgerdalai | MCR druzstev 25 - blesk | English Opening: King's English Variation, Four Knights Variation, Quiet Line | |
| Sep 7, 2025 | Soucek | 0–1 | Dubansky | MCR druzstev 25 - blesk | Tarrasch Defense: Schara Gambit | |
| Sep 7, 2025 | Soucek | 0–1 | Kudla | MCR druzstev 25 - blesk | Slav Defense: Czech Variation, Wiesbaden Variation, Sharp Line | |
| Sep 7, 2025 | Vykouk | 1–0 | Soucek | MCR druzstev 25 - blesk | Queen's Pawn Game: London System | |
| Sep 7, 2025 | Stolba | 0–1 | Soucek | MCR druzstev 25 - blesk | Slav Defense: Bonet Gambit | |
| Sep 7, 2025 | Soucek | ½–½ | Konopka | MCR druzstev 25 - blesk | English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation | |
| Sep 7, 2025 | Soucek | ½–½ | Stocek | MCR druzstev 25 - blesk | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Sep 7, 2025 | Richterova | 0–1 | Soucek | MCR druzstev 25 - blesk | Slav Defense: Exchange Variation | |
| Sep 6, 2025 | Soucek | 0–1 | Kusa | MCR druzstev 25 - rapid | Queen's Gambit Declined: Charousek Variation | |
| Sep 6, 2025 | Vykouk | 1–0 | Soucek | MCR druzstev 25 - rapid | English Opening: Caro-Kann Defensive System | |
| Jul 26, 2025 | Soucek | 0–1 | Donchenko | CZECH OPEN 2025 - A - PARDUBICE OPEN - open grandmaster tournament | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| Jul 20, 2025 | Cukrowski | 1–0 | Soucek | Round 6: Cukrowski, Filip - Soucek, Jan | Bogo-Indian Defense: Grünfeld Variation | |
| Jul 19, 2025 | Havelka | ½–½ | Soucek | Round 5: Havelka, Josef - Soucek, Jan | Sicilian Defense: Four Knights Variation | |
| Jul 19, 2025 | Soucek | ½–½ | Biolek | Round 4: Soucek, Jan - Biolek, Richard Jr. | King's Indian Defense: Normal Variation, Rare Defenses | |
| Jul 11, 2025 | Soucek | ½–½ | Kejna | Round 7: Soucek, Jan - Kejna, Piotr | Yusupov-Rubinstein System | |
| Jul 10, 2025 | Grgantov | ½–½ | Soucek | Round 6: Grgantov, Marin - Soucek, Jan | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| Jul 9, 2025 | Skrbec | 0–1 | Soucek | Round 5: Skrbec, Leon - Soucek, Jan | Semi-Slav Defense: Stoltz Variation | |
| Jul 7, 2025 | Soucek | 0–1 | Leitgeb | Round 3: Soucek, Jan - Leitgeb, Julian | Torre Attack: Fianchetto Defense | |
| Jul 6, 2025 | Yalcinkaya | 0–1 | Soucek | Round 2: Yalcinkaya, Efe - Soucek, Jan | French Defense: Horwitz Attack, Papa-Ticulat Gambit | |
| Jul 5, 2025 | Sosic | 0–1 | Soucek | Round 1: Sosic, Zvan - Soucek, Jan | Caro-Kann Defense: Exchange Variation | |
| May 11, 2025 | Soucek | 1–0 | Mudrak | Round 9: Soucek, Jan - Mudrak, Josef | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| May 10, 2025 | Soucek | 1–0 | Hanl | Round 13: Soucek, Jan - Hanl, Frantisek | Indian Defense | |
| May 10, 2025 | Hak | 0–1 | Soucek | Round 12: Hak, David - Soucek, Jan | Nimzo-Indian Defense: Rubinstein System, Taimanov Variation | |
| May 10, 2025 | Soucek | 1–0 | Davidek | Round 11: Soucek, Jan - Davidek, Zdenek | English Opening: Caro-Kann Defensive System | |
| May 10, 2025 | Stevik | 1–0 | Soucek | Round 10: Stevik, Patrik - Soucek, Jan | Zukertort Opening | |
| May 10, 2025 | Soucek | 0–1 | Starek | Round 9: Soucek, Jan - Starek, Stanislav | English Opening: King's English Variation, Four Knights Variation, Quiet Line | |
| May 10, 2025 | Soucek | 1–0 | Ocelak | Round 8: Soucek, Jan - Ocelak, Jakub | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| May 10, 2025 | Bezdek | 0–1 | Soucek | Round 7: Bezdek, Tomas - Soucek, Jan | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| May 10, 2025 | Soucek | 1–0 | Stary | Round 6: Soucek, Jan - Stary, Simon | English Opening: Symmetrical Variation, Two Knights Variation | |
| May 10, 2025 | Siles | 1–0 | Soucek | Round 5: Siles, Jan - Soucek, Jan | Trompowsky Attack | |
| May 10, 2025 | Soucek | 1–0 | Vojtek | Round 4: Soucek, Jan - Vojtek, Vladimir | English Opening: Anglo-Indian Defense, Hedgehog System | |
| May 10, 2025 | Vanek | 1–0 | Soucek | Round 3: Vanek, Ladislav - Soucek, Jan | Four Knights Game: Scotch Variation Accepted | |
| May 10, 2025 | Hajek | ½–½ | Soucek | Round 8: Hajek, Oskar - Soucek, Jan | Sicilian Defense: Four Knights Variation | |
| May 9, 2025 | Soucek | 0–1 | Varga | Round 7: Soucek, Jan - Varga, Csaba Zoltan | English Opening: King's English Variation, Four Knights Variation, Quiet Line | |
| May 9, 2025 | Bures | 0–1 | Soucek | Round 6: Bures, Vit - Soucek, Jan | Nimzo-Indian Defense: Rubinstein System, Taimanov Variation | |
| May 8, 2025 | Soucek | 1–0 | Vanek | Round 5: Soucek, Jan - Vanek, Ladislav | English Opening: King's English Variation, Reversed Sicilian | |
| May 7, 2025 | Topencik | ½–½ | Soucek | Round 4: Topencik, Bruno - Soucek, Jan | Zukertort Opening: Sicilian Invitation | |
| May 7, 2025 | Soucek | 1–0 | Bohacek | Round 3: Soucek, Jan - Bohacek, Jan Andrej | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| May 6, 2025 | Soucek | 1–0 | Travnicek | Round 1: Soucek, Jan - Travnicek, Jaroslav | English Opening: Anglo-Indian Defense, Hedgehog System | |
| May 6, 2025 | Popov | 0–1 | Soucek | Round 2: Popov, Roman - Soucek, Jan | Catalan Opening | |
| Apr 21, 2025 | Soucek | ½–½ | Bogner | Freestyle Chess Open A | ? | |
| Apr 20, 2025 | Finek | 0–1 | Soucek | Freestyle Chess Open A | ? | |
| Jul 26, 2024 | Soucek | 0–1 | Oberhofer | CZECH OPEN 2024 - A - PARDUBICE OPEN | Trompowsky Attack | |
| Jul 19, 2024 | Pantzar | 1–0 | Soucek | CZECH OPEN 2024 - A - PARDUBICE OPEN | Queen's Pawn Game: Colle System | |
| May 12, 2024 | Soucek | 1–0 | Pressler | Round 9: Soucek, Jan - Pressler, Tobias | English Opening: Mikenas-Carls Variation | |
| May 11, 2024 | Benes | 0–1 | Soucek | Round 8: Benes, Miroslav - Soucek, Jan | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| May 10, 2024 | Soucek | 0–1 | Karnik | Round 7: Soucek, Jan - Karnik, Pavel | Trompowsky Attack: Raptor Variation | |
| May 10, 2024 | Soucek | 1–0 | Mik | Round 6: Soucek, Jan - Mik, Tomas | English Opening: Mikenas-Carls Variation | |
| May 9, 2024 | Zalesak | 0–1 | Soucek | Round 5: Zalesak, Robert - Soucek, Jan | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| May 9, 2024 | Soucek | ½–½ | Kaplanova | Round 4: Soucek, Jan - Kaplanova, Dominika | Queen's Gambit Declined: Exchange Variation | |
| May 7, 2024 | Soucek | 0–1 | Sembera | Round 2: Soucek, Jan - Sembera, Milan | Tarrasch Defense: Schara Gambit | |
| Apr 1, 2024 | Soucek | ½–½ | Sowinski | Grenke Chess Open 2024 | Trompowsky Attack | |
| Mar 31, 2024 | Hecht | 0–1 | Soucek | new tournament description | Bogo-Indian Defense: Nimzowitsch Variation | |
| Mar 30, 2024 | von Mettenheim | ½–½ | Soucek | Grenke Open | Bogo-Indian Defense: Nimzowitsch Variation | |
| Jan 6, 2024 | Soucek | 0–1 | Tobak | Open Praha 2024 A | Pterodactyl Defense: Eastern, Benoni | |
| Jan 12, 2023 | Skaar | * | Soucek | Prague Open | Czech Tour | ? | |
| Jan 10, 2023 | Horacek | * | Soucek | Prague Open | Czech Tour | ? | |
| Jan 6, 2023 | Soucek | 0–1 | Vaculik | Prague Open | Czech Tour | ? | |
| Aug 29, 2021 | Soucek | 0–1 | Skreko | Skalica Open - A | Sicilian Defense: Najdorf Variation, Zagreb Variation | |
| Aug 28, 2021 | Paluska | ½–½ | Soucek | Skalica Open - A | Zukertort Opening: Dutch Variation | |
| Aug 27, 2021 | Soucek | 1–0 | Marcinek | Skalica Open - A | French Defense: Rubinstein Variation, Blackburne Defense | |
| Aug 26, 2021 | Jakhari | 1–0 | Soucek | Skalica Open - A | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Aug 25, 2021 | Soucek | ½–½ | Kuna | Skalica Open - A | Four Knights Game: Italian Variation | |
| Aug 24, 2021 | Elias | ½–½ | Soucek | Skalica Open - A | English Opening: Agincourt Defense, Catalan Defense | |
| Aug 23, 2021 | Soucek | ½–½ | Poschadel | Skalica Open - A | Sicilian Defense: O'Kelly Variation, Normal System | |
| Aug 22, 2021 | Sevcikova | 1–0 | Soucek | Skalica Open - A | Dutch Defense: Leningrad Variation, Matulovic Variation | |
| Aug 21, 2021 | Soucek | 0–1 | Nemec | Skalica Open - A | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| Jun 18, 2021 | Soucek | * | Valenta | Prague Chess Festival - Open | ? | |
| Jun 17, 2021 | Navrotescu | 1–0 | Soucek | Prague Chess Festival - Open | ? | |
| Jun 16, 2021 | Soucek | * | Pavlidou | Prague Chess Festival - Open | ? | |
| Jun 15, 2021 | Soucek | * | Holemar | Prague Chess Festival - Open | ? | |
| Jun 14, 2021 | Sreyas Payyappat | * | Soucek | Prague Chess Festival - Open | ? | |
| — | Jares | ½–½ | Soucek | CZECH OPEN 2025 - A - PARDUBICE OPEN - open grandmaster tournament | King's Indian Attack: Keres Variation | |