| Jun 24, 2026 | Verner | 0–1 | Seidl | Round 9: Verner, Matej - Seidl, Jan | Sicilian Defense: Smith-Morra Gambit Declined, Push Variation | |
| Jun 24, 2026 | Seidl | 1–0 | Paseka | Round 7: Seidl, Jan - Paseka, Matyas | King's Indian Defense: Makogonov Variation | |
| Jun 23, 2026 | Seidl | 0–1 | Popov | Round 1: Seidl, Jan - Popov, Roman | Semi-Slav Defense: Quiet Variation | |
| Jun 22, 2026 | Seidl | 1–0 | Delgerdalai | Round 8: Seidl, Jan - Delgerdalai, Bayarjavkhlan | Catalan Opening: Closed | |
| Jul 20, 2025 | Seidl | ½–½ | Gnojek | Round 7: Seidl, Jan - Gnojek, Petr | Dutch Defense: Raphael Variation | |
| Jul 20, 2025 | Koziorowicz | 1–0 | Seidl | Round 6: Koziorowicz, Michal - Seidl, Jan | Sicilian Defense: Moscow Variation | |
| Jul 19, 2025 | Seidl | 1–0 | Filipi | Round 5: Seidl, Jan - Filipi, Stepan | Catalan Opening | |
| Jul 18, 2025 | Seidl | 1–0 | Malik | Round 3: Seidl, Jan - Malik, Maciej | Slav Defense: Modern Line | |
| 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 | Vanek | 1–0 | Seidl | Round 13: Vanek, Ladislav - Seidl, Jan | Indian Defense | |
| May 10, 2025 | Seidl | 1–0 | Vojtek | Round 12: Seidl, Jan - Vojtek, Vladimir | Catalan Opening: Closed | |
| May 10, 2025 | Ocelak | 1–0 | Seidl | Round 11: Ocelak, Jakub - Seidl, Jan | Caro-Kann Defense: Endgame Offer | |
| May 10, 2025 | Seidl | 0–1 | Hajek | Round 10: Seidl, Jan - Hajek, Oskar | Queen's Gambit Declined: Albin Countergambit | |
| May 10, 2025 | Seidl | 1–0 | Zelba | Round 9: Seidl, Jan - Zelba, Lukas | Semi-Slav Defense: Quiet Variation | |
| May 10, 2025 | Cagasik | 0–1 | Seidl | Round 8: Cagasik, Tomas - Seidl, Jan | Bird Opening: Dutch Variation | |
| May 10, 2025 | Seidl | ½–½ | Starek | Round 7: Seidl, Jan - Starek, Stanislav | Queen's Pawn Game: Chigorin Variation | |
| May 10, 2025 | Vojta | ½–½ | Seidl | Round 6: Vojta, Jakub - Seidl, Jan | Caro-Kann Defense: Advance Variation, Tal Variation | |
| May 10, 2025 | Seidl | 1–0 | Molnar | Round 5: Seidl, Jan - Molnar, Lubos | Catalan Opening: Closed Variation, Traditional Variation | |
| May 10, 2025 | Delgerdalai | ½–½ | Seidl | Round 4: Delgerdalai, Bayarjavkhlan - Seidl, Jan | Caro-Kann Defense: Classical Variation | |
| May 10, 2025 | Seidl | 1–0 | Kratochvil | Round 3: Seidl, Jan - Kratochvil, Josef | Benoni Defense: Fianchetto Variation | |
| May 10, 2025 | Hlozek | 0–1 | Seidl | Round 8: Hlozek, Michal - Seidl, Jan | Indian Defense: Anti-Nimzo-Indian | |
| May 9, 2025 | Seidl | ½–½ | Jun | Round 7: Seidl, Jan - Jun, Rudolf | Slav Defense: Breyer Variation | |
| May 9, 2025 | Seidl | ½–½ | Cap | Round 6: Seidl, Jan - Cap, Adam | Slav Defense: Breyer Variation | |
| May 8, 2025 | Topencik | ½–½ | Seidl | Round 5: Topencik, Bruno - Seidl, Jan | Caro-Kann Defense: Panov Attack, Fianchetto Defense | |
| May 7, 2025 | Klys | 0–1 | Seidl | Round 3: Klys, Kacper - Seidl, Jan | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| May 6, 2025 | Seidl | 1–0 | Belan | Round 2: Seidl, Jan - Belan, Jozef | Indian Defense: King's Indian Variation, Fianchetto Variation | |
| May 6, 2025 | Bubenicek | 0–1 | Seidl | Round 1: Bubenicek, Simon - Seidl, Jan | Semi-Slav Defense: Anti-Moscow Gambit | |
| May 5, 2025 | Seidl | ½–½ | Ocelak | Round 4: Seidl, Jan - Ocelak, Jakub | Zukertort Opening: Quiet System | |
| Feb 9, 2025 | Seidl | ½–½ | Neuman | Round 8: Seidl, Jan - Neuman, Petr | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| Feb 8, 2025 | Kraus | ½–½ | Seidl | Round 7: Kraus, Tomas - Seidl, Jan | Caro-Kann Defense: Panov Attack, Modern Defense | |
| Jan 25, 2025 | Seidl | 0–1 | Zwardon | Round 5: Seidl, Jan - Zwardon, Vojtech | Catalan Opening: Open Defense | |
| Nov 2, 2024 | Polak | ½–½ | Seidl | Round 1: Polak, Tomas - Seidl, Jan | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Aug 31, 2024 | Pidluznij | ½–½ | Seidl | EYCC 2024 - O18 | Sicilian Defense: Moscow Variation | |
| Aug 29, 2024 | Bakija | ½–½ | Seidl | EYCC 2024 - O18 | English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 | |
| Aug 28, 2024 | Seidl | ½–½ | Trushko | EYCC 2024 - O18 | Semi-Slav Defense: Quiet Variation | |
| Aug 26, 2024 | Malek | 1–0 | Seidl | EYCC 2024 - O18 | Semi-Slav Defense: Stoltz Variation | |
| Aug 25, 2024 | Seidl | ½–½ | Kusiak | EYCC 2024 - O18 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Aug 24, 2024 | Anacak | 0–1 | Seidl | EYCC 2024 - O18 | Sicilian Defense: Closed | |
| Aug 23, 2024 | Seidl | ½–½ | Pavicic | EYCC 2024 - O18 | Sicilian Defense: Staunton-Cochrane Variation | |
| Jul 27, 2024 | Paseka | ½–½ | Seidl | CZECH OPEN 2024 - A - PARDUBICE OPEN | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Jul 26, 2024 | Seidl | ½–½ | Fiskaaen | CZECH OPEN 2024 - A - PARDUBICE OPEN | Sicilian Defense: Alapin Variation | |
| Jul 25, 2024 | Lippert | ½–½ | Seidl | CZECH OPEN 2024 - A - PARDUBICE OPEN | Caro-Kann Defense: Maróczy Variation | |
| Jul 24, 2024 | Seidl | ½–½ | Dubinski | CZECH OPEN 2024 - A - PARDUBICE OPEN | Nimzo-Indian Defense: Normal Variation | |
| Jul 23, 2024 | Seidl | ½–½ | Sochorova | CZECH OPEN 2024 - A - PARDUBICE OPEN | Catalan Opening | |
| Jul 22, 2024 | Seidl | 1–0 | Al-Blooshi | CZECH OPEN 2024 - A - PARDUBICE OPEN | Zukertort Opening | |
| Jul 21, 2024 | Garsky | ½–½ | Seidl | CZECH OPEN 2024 - A - PARDUBICE OPEN | Sicilian Defense: Moscow Variation | |
| Dec 15, 2024 | Brozka | 1–0 | Seidl | Round 4: Brozka, Karel - Seidl, Jan | Queen's Indian Defense: Riumin Variation | |
| Dec 14, 2024 | Seidl | 1–0 | Jirovsky | Round 3: Seidl, Jan - Jirovsky, Milos | Catalan Opening: Open Defense | |
| Nov 3, 2024 | Seidl | ½–½ | Rubes | Round 2: Seidl, Jan - Rubes, Jan | Zukertort Opening | |
| Aug 26, 2023 | Seidl | 1–0 | Koper | POHÁR města Říčany 2023 | Czech Defense | |
| Mar 18, 2023 | Lang | 1–0 | Seidl | h16 | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |
| Mar 17, 2023 | Werner | 0–1 | Seidl | h16 | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Mar 16, 2023 | Seidl | 0–1 | Paseka | H16 | King's Indian Defense: Fianchetto Variation, Panno Variation | |
| Mar 15, 2023 | Seidl | 1–0 | Kubin | H16 | Neo-Grünfeld Defense: Delayed Exchange Variation | |
| Mar 14, 2023 | Fizer | 1–0 | Seidl | H16 | Caro-Kann Defense: Maróczy Variation | |
| Mar 13, 2023 | Seidl | ½–½ | Janous | H16 | King's Indian Attack: Double Fianchetto | |
| Mar 13, 2023 | Pelc | 0–1 | Seidl | H16 | Zukertort Opening: Nimzo-Larsen Variation | |
| Mar 12, 2023 | Seidl | 1–0 | Tesar | H16 | French Defense: Advance Variation, Milner-Barry Gambit, Hector Variation | |
| Mar 11, 2023 | Tillmann | ½–½ | Seidl | h16 | Caro-Kann Defense: Panov Attack, Modern Defense, Mieses Line | |