| Jul 25, 2025 | Kulon | 1–0 | Marak | CZECH OPEN 2025 - A - PARDUBICE OPEN - open grandmaster tournament, part of the ACP world series | English Opening: Agincourt Defense | |
| May 10, 2025 | Marak | 0–1 | Winter | Round 11: Marak, Jakub - Winter, Ondrej | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| May 10, 2025 | Tymrakiewicz | 1–0 | Marak | Round 9: Tymrakiewicz, Rafal - Marak, Jakub | Queen's Pawn Game: Levitsky Attack | |
| May 10, 2025 | Marak | 0–1 | Karnik | Round 8: Marak, Jakub - Karnik, Pavel | Scandinavian Defense: Mieses-Kotroc Variation | |
| May 10, 2025 | Vojta | 1–0 | Marak | Round 2: Vojta, Jakub - Marak, Jakub | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| Jul 14, 2024 | Marak | 0–1 | Prazak | Round 7: Marak, Jakub - Prazak, Daniel | French Defense: Tarrasch Variation, Modern System | |
| Jul 12, 2024 | Marak | ½–½ | Lajbl | Round 3: Marak, Jakub - Lajbl, Jan | French Defense: Tarrasch Variation, Morozevich Variation | |
| May 11, 2024 | Marak | 1–0 | Jablonicky | Round 1: Marak, Jakub - Jablonicky, Martin | Ruy Lopez: Closed, Breyer Defense, Zaitsev Hybrid | |
| May 8, 2024 | Mudrak | 1–0 | Marak | Round 6: Mudrak, Josef - Marak, Jakub | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| May 8, 2024 | Lajbl | 1–0 | Marak | Round 4: Lajbl, Jan - Marak, Jakub | Italian Game: Classical Variation, Greco Gambit, Anderssen Variation | |
| May 8, 2024 | Marak | 1–0 | Hak | Round 3: Marak, Jakub - Hak, David | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Aug 25, 2024 | Marak | ½–½ | Tikovsky | Round 9: Marak, Jakub - Tikovsky, Alexandr | Caro-Kann Defense: Classical Variation, Spassky Variation | |
| Aug 24, 2024 | Dukic | ½–½ | Marak | Round 8: Dukic, Zachary - Marak, Jakub | Ruy Lopez: Schliemann Defense | |
| Aug 23, 2024 | Marak | ½–½ | Sprinar | Round 7: Marak, Jakub - Sprinar, Michal | French Defense: Tarrasch Variation, Closed Variation, Main Line | |
| Aug 19, 2024 | Marak | 0–1 | Slovak | Round 3: Marak, Jakub - Slovak, Kilian | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| — | Marak | 1–0 | Mrazek | Round 4: Marak, Jakub - Mrazek, Roman | Sicilian Defense: Moscow Variation, Main Line | |
| — | Marak | 1–0 | Tillmann | Round 6: Marak, Jakub - Tillmann, Tomas | Pirc Defense | |
| — | Marak | ½–½ | Sotek | Round 8: Marak, Jakub - Sotek, Simon | Sicilian Defense: French Variation | |
| — | Kubin | 1–0 | Marak | Round 1: Kubin, Tomas Daniel - Marak, Jakub | Caro-Kann Defense: Two Knights Attack | |
| — | Krupa | 0–1 | Marak | Round 3: Krupa, Krzysztof - Marak, Jakub | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |
| — | Velim | ½–½ | Marak | Round 5: Velim, Vojtech - Marak, Jakub | Caro-Kann Defense: Advance Variation | |
| — | Mydlar | ½–½ | Marak | Round 7: Mydlar, Matej - Marak, Jakub | Caro-Kann Defense: Two Knights Attack | |
| — | Dobosiewicz | ½–½ | Marak | Round 9: Dobosiewicz, Dawid - Marak, Jakub | Scotch Game | |
