| Jun 30, 2026 | Gregor | ½–½ | Simek | FIDE OPEN QCC | Nimzo-Indian Defense: Classical Variation | |
| Mar 29, 2026 | Simek | 1–0 | Vyprachticky | Round 11: Simek, Petr - Vyprachticky, David | Catalan Opening: Closed | |
| Mar 28, 2026 | Simek | ½–½ | Kriebel | Round 10: Simek, Petr - Kriebel, Tadeas | Queen's Gambit Declined | |
| Mar 27, 2026 | Mikes | ½–½ | Simek | Round 9: Mikes, Jan - Simek, Petr | Sicilian Defense: Alapin Variation | |
| Feb 22, 2026 | Simek | ½–½ | Gloser | Round 8: Simek, Petr - Gloser, David | Grünfeld Defense: Three Knights Variation, Petrosian System | |
| Feb 21, 2026 | Simek | ½–½ | Babula | Round 7: Simek, Petr - Babula, Vlastimil | Benoni Defense: Fianchetto Variation | |
| Jan 11, 2026 | Simek | 1–0 | Golis | Round 6: Simek, Petr - Golis, Wiktor | Blumenfeld Countergambit Accepted | |
| Dec 14, 2025 | Rasik | ½–½ | Simek | Round 4: Rasik, Vitezslav - Simek, Petr | Ruy Lopez: Berlin Defense | |
| Dec 13, 2025 | Rabatin | ½–½ | Simek | Round 3: Rabatin, Jakub - Simek, Petr | King's Indian Attack: Sicilian Variation | |
| Nov 30, 2025 | Zima | ½–½ | Simek | Round 2: Zima, Jan - Simek, Petr | Scotch Game: Scotch Gambit, Advance Variation | |
| Nov 29, 2025 | Simek | 0–1 | Simacek | Round 1: Simek, Petr - Simacek, Pavel | Catalan Opening: Open Defense | |
| Jul 31, 2025 | Simek | ½–½ | Csonka | CZECH OPEN 2025 - A - PARDUBICE OPEN - open grandmaster tournament | Catalan Opening: Closed | |
| Jul 29, 2025 | Simek | 0–1 | Elmi | CZECH OPEN 2025 - A - PARDUBICE OPEN - open grandmaster tournament | Catalan Opening: Open Defense | |
| Jul 28, 2025 | Itgelt | ½–½ | Simek | CZECH OPEN 2025 - A - PARDUBICE OPEN - open grandmaster tournament | Sicilian Defense: Najdorf Variation, Freak Attack | |
| Jul 27, 2025 | Simek | ½–½ | Stalmach | CZECH OPEN 2025 - A - PARDUBICE OPEN - open grandmaster tournament | Queen's Gambit Declined: Ragozin Defense | |
| Jun 25, 2025 | Polak | ½–½ | Simek | gmb | Nimzo-Indian Defense: Reshevsky Variation | |
| Jun 25, 2025 | Simek | ½–½ | Svanda | gmb | Queen's Indian Defense: Fianchetto Variation, Kramnik Variation | |
| Jun 25, 2025 | Mica | 1–0 | Simek | gmb | Zukertort Opening | |
| Jun 25, 2025 | Simek | ½–½ | Kraus | gmb | Queen's Gambit Declined | |
| Jun 25, 2025 | Stefansson | 1–0 | Simek | gmb | Nimzo-Indian Defense: Normal Variation, Botvinnik System | |
| Jun 25, 2025 | Simek | 0–1 | Anuj Shrivatri | gmb | Queen's Gambit Declined: Barmen Variation | |
| Jun 25, 2025 | Rakshitta Ravi | 0–1 | Simek | gmb | King's Indian Attack | |
| Jun 25, 2025 | Simek | 0–1 | Hrbek | gmb | Queen's Gambit Declined: Ragozin Defense | |
| Jun 25, 2025 | Ernst | 1–0 | Simek | gmb | Scotch Game: Mieses Variation | |
| Mar 30, 2025 | Svacina | 1–0 | Simek | Round 11: Svacina, Tobias - Simek, Petr | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |
| Mar 29, 2025 | Flajsman | 1–0 | Simek | Round 10: Flajsman, Pavel - Simek, Petr | King's Indian Attack | |
| Mar 28, 2025 | Kriebel | ½–½ | Simek | Round 9: Kriebel, Tadeas - Simek, Petr | Catalan Opening: Open Defense | |
| Mar 7, 2025 | Vetoshko | 0–1 | Simek | PICF 2025 - KAREL JANEČEK Open | Zukertort Opening | |
| Mar 5, 2025 | Druska | 1–0 | Simek | PICF 2025 - KAREL JANEČEK Open | Queen's Gambit Declined: Three Knights, Vienna Variation | |
| Mar 4, 2025 | Simek | ½–½ | Kraus | PICF 2025 - KAREL JANEČEK Open | Queen's Gambit Declined | |
| Mar 2, 2025 | Simek | ½–½ | Urazayev | PICF 2025 - KAREL JANEČEK Open | Bogo-Indian Defense: Retreat Variation | |
| Mar 1, 2025 | Popovic | ½–½ | Simek | PICF 2025 - KAREL JANEČEK Open | Ruy Lopez: Berlin Defense, Rio Gambit Accepted | |
| Jul 27, 2024 | Amirkul | 1–0 | Simek | CZECH OPEN 2024 - A - PARDUBICE OPEN | King's Pawn Game | |
| Jul 26, 2024 | Simek | 1–0 | Warchol | CZECH OPEN 2024 - A - PARDUBICE OPEN | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Jul 25, 2024 | Kuegel | 1–0 | Simek | CZECH OPEN 2024 - A - PARDUBICE OPEN | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Jul 24, 2024 | Simek | ½–½ | Mica | CZECH OPEN 2024 - A - PARDUBICE OPEN | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jul 23, 2024 | Svanda | ½–½ | Simek | CZECH OPEN 2024 - A - PARDUBICE OPEN | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |
| Jul 22, 2024 | Simek | ½–½ | Neuman | CZECH OPEN 2024 - A - PARDUBICE OPEN | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| Jul 21, 2024 | Karvatskyi | 0–1 | Simek | CZECH OPEN 2024 - A - PARDUBICE OPEN | Sicilian Defense: Najdorf Variation | |
| Jul 20, 2024 | Simek | ½–½ | Garsky | CZECH OPEN 2024 - A - PARDUBICE OPEN | Catalan Opening: Open Defense, Classical Line | |
| Jul 7, 2024 | Mirzoev | ½–½ | Simek | im | Nimzo-Indian Defense: Classical Variation | |
| Jul 6, 2024 | Simek | ½–½ | Roshka | im | Philidor Defense: Lion Variation | |
| Jul 5, 2024 | Simek | 0–1 | Marakovits | im | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Jul 4, 2024 | Ernst | 0–1 | Simek | im | Nimzo-Indian Defense: Normal Variation, Classical Defense | |
| Jul 3, 2024 | Simek | ½–½ | Audi Ameya | im | Catalan Opening: Open Defense | |
| Jul 2, 2024 | Simek | 0–1 | Rakshitta Ravi | im | Ruy Lopez: Cozio Defense | |
| Jul 2, 2024 | Hak | 0–1 | Simek | im | Sicilian Defense: Najdorf Variation | |
| Jul 1, 2024 | Simek | 1–0 | Nagy | im | Ruy Lopez: Berlin Defense | |
| Jun 30, 2024 | Otsuka | 0–1 | Simek | im | Sicilian Defense: Najdorf Variation, English Attack, Anti-English | |
| Apr 7, 2024 | Simek | ½–½ | Malik | Extraliga 2023/2024 - 4 | Slav Defense: Exchange Variation | |
| Apr 6, 2024 | Rabatin | 1–0 | Simek | Extraliga 2023/2024 - 6 | Sicilian Defense: Najdorf Variation, Zagreb Variation | |
| Mar 7, 2024 | Kraus | ½–½ | Simek | Round 9: Kraus, Tomas - Simek, Petr | Italian Game: Giuoco Pianissimo, Normal | |
| Mar 6, 2024 | Simek | ½–½ | Neverov | Round 8: Simek, Petr - Neverov, Valeriy | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Mar 3, 2024 | Amar | 1–0 | Simek | Round 5: Amar, Elham - Simek, Petr | Ruy Lopez: Berlin Defense | |
| Feb 11, 2024 | Simek | 0–1 | Havelka | Round 8: Simek, Petr - Havelka, Josef | Catalan Opening: Open Defense | |
| Feb 10, 2024 | Simek | 1–0 | Konopka | Round 7: Petr Simek - Michal Konopka | Alekhine Defense: Four Pawns Attack, Main Line | |
| Jul 9, 2023 | Hak David | 0–1 | Simek | Ceske Budejovice Open A | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Jul 8, 2023 | Simek | 1–0 | Zilavy | Ceske Budejovice Open A | Catalan Opening: Open Defense | |
| Jul 7, 2023 | Zima | 1–0 | Simek | Ceske Budejovice Open A | Sicilian Defense: Closed | |
| Jul 6, 2023 | Simek | ½–½ | Lajbl | Ceske Budejovice Open A | Catalan Opening: Open Defense, Classical Line | |
| Jul 5, 2023 | Vaclavik | 0–1 | Simek | Ceske Budejovice Open A | Nimzo-Indian Defense: Classical Variation, Keres Defense | |
| Jul 4, 2023 | Simek | ½–½ | Bartos | Ceske Budejovice Open A | Catalan Opening: Open Defense | |
| Jul 3, 2023 | Wiley | ½–½ | Simek | Ceske Budejovice Open A | Nimzo-Indian Defense: Classical Variation | |
| Jul 2, 2023 | Simek | 1–0 | Bartos | Ceske Budejovice Open A | Pirc Defense | |
| Jul 1, 2023 | Nejdl | 0–1 | Simek | Ceske Budejovice Open A | Sicilian Defense: Moscow Variation | |
| Mar 26, 2023 | Svanda | * | Simek | Czech Extraliga | English Opening: Anglo-Indian Defense | |
| Mar 25, 2023 | Simek | 1–0 | Obsivac | Czech Extraliga | Bogo-Indian Defense: Grünfeld Variation | |
| Mar 24, 2023 | Burdalev | ½–½ | Simek | Czech Extraliga | Queen's Gambit Declined: Ragozin Defense | |
| Feb 19, 2023 | Petrova | 0–1 | Simek | Czech Extraliga | English Opening: King's English Variation, Four Knights Variation, Quiet Line | |
| Feb 18, 2023 | Simek | 1–0 | Hollan | Czech Extraliga | Benoni Defense: Knight's Tour Variation | |
| Jan 8, 2023 | Simek | ½–½ | Balacek | Czech Extraliga | Indian Defense: Anti-Nimzo-Indian | |
| Dec 4, 2022 | Krejci | 1–0 | Simek | Czech Extraliga | Zukertort Opening | |
| Dec 3, 2022 | Simek | * | Finek | Czech Extraliga | Slav Defense: Exchange Variation | |
| Oct 16, 2022 | Simek | 1–0 | Krejca | Czech Extraliga | Catalan Opening: Open Defense, Classical Line | |
| Oct 15, 2022 | Rabatin | ½–½ | Simek | Czech Extraliga | Nimzo-Indian Defense: Normal Variation, Ragozin Variation | |
| Jul 30, 2022 | Simek | 0–1 | Haring | open-a | Catalan Opening: Open Defense | |
| Jul 29, 2022 | Brodowski | ½–½ | Simek | open-a | English Opening: King's English Variation, Two Knights Variation, Smyslov System | |
| Jul 28, 2022 | Simek | 1–0 | Pantzar | open-a | Queen's Gambit Declined | |
| Jul 27, 2022 | Dobrowolski | ½–½ | Simek | open-a | Ruy Lopez: Berlin Defense | |
| Jul 26, 2022 | Simek | 1–0 | Livaic | open-a | Indian Defense: Dzindzi-Indian Defense | |
| Jul 25, 2022 | Jedlicka | 0–1 | Simek | open-a | Bogo-Indian Defense: Retreat Variation | |
| Jul 24, 2022 | Simek | 1–0 | Mueer | open-a | Catalan Opening: Open Defense | |
| Jul 23, 2022 | Soham | 1–0 | Simek | open-a | Ruy Lopez: Morphy Defense | |
| Jul 22, 2022 | Simek | * | Hansch | open-a | Catalan Opening: Closed | |
| Jun 14, 2022 | Sankalp Gupta | 1–0 | Simek | Prague Chess Festival - Open | Nimzo-Indian Defense: Normal Variation, Ragozin Variation | |
| Jun 12, 2022 | Simek | ½–½ | Wagner | Prague Chess Festival - Open | Catalan Opening: Open Defense | |
| Jun 11, 2022 | Simek | ½–½ | Alsina Leal | Prague Chess Festival - Open | Queen's Gambit Accepted: Furman Variation | |
| Jul 31, 2021 | Simek | ½–½ | Balinski | Czech Open 2021 - A Pardubice Open | Pirc Defense | |
| Jul 30, 2021 | Stinka | ½–½ | Simek | Czech Open 2021 - A Pardubice Open | Queen's Gambit Declined: Ragozin Defense | |
| Jul 29, 2021 | Noe | 1–0 | Simek | Czech Open 2021 - A Pardubice Open | Queen's Pawn Game: Symmetrical Variation | |
| Jul 28, 2021 | Simek | ½–½ | Carlsson | Czech Open 2021 - A Pardubice Open | Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation | |
| Jul 27, 2021 | Simek | ½–½ | Bagi | Czech Open 2021 - A Pardubice Open | Neo-Grünfeld Defense: Classical Variation, Modern Defense | |
| Jul 26, 2021 | Rokos | 0–1 | Simek | Czech Open 2021 - A Pardubice Open | Caro-Kann Defense: Panov Attack, Main Line | |
| Jul 25, 2021 | Simek | 1–0 | Gressmann | Czech Open 2021 - A Pardubice Open | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Jul 24, 2021 | Nisipeanu | 1–0 | Simek | Czech Open 2021 - A Pardubice Open | Ruy Lopez: Berlin Defense | |
| Jul 9, 2021 | Simek | ½–½ | Kratochvil | České Budějovice Open | A | Benoni Defense: Hromádka System | |
| Jul 8, 2021 | Lorscheid | ½–½ | Simek | České Budějovice Open | A | English Opening: King's English Variation | |
| Jul 6, 2021 | Hak | 0–1 | Simek | České Budějovice Open | A | Nimzo-Indian Defense: Reshevsky Variation | |
| Jul 5, 2021 | Simek | ½–½ | Toman | České Budějovice Open | A | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Jul 3, 2021 | Simek | * | Kopriva | České Budějovice Open | A | King's Indian Defense: Fianchetto Variation, Classical Fianchetto | |