| Mar 15, 2026 | Zajaczkowski | 1–0 | Minhas | Round 11: Zajaczkowski, Marek - Minhas, Reidan | Pirc Defense: Austrian Attack | |
| Mar 15, 2026 | Zajaczkowski | 1–0 | Nathan Godfrey | Round 9: Zajaczkowski, Marek - Nathan Godfrey | Bird Opening | |
| Mar 15, 2026 | Kanyinsola Fapohunda | 1–0 | Zajaczkowski | Round 8: Kanyinsola Fapohunda - Zajaczkowski, Marek | Queen's Pawn Game | |
| Mar 15, 2026 | Zajaczkowski | 1–0 | Blair | Round 7: Zajaczkowski, Marek - Blair, Jimmy | Kádas Opening | |
| Mar 14, 2026 | Mehta | 1–0 | Zajaczkowski | Round 5: Mehta, Hatle - Zajaczkowski, Marek | Englund Gambit | |
| Mar 14, 2026 | Zajaczkowski | 0–1 | Taylor | Round 4: Zajaczkowski, Marek - Taylor, Neil | French Defense: Pelikan Variation | |
| Mar 14, 2026 | Stamolampros | ½–½ | Zajaczkowski | Round 3: Stamolampros, Raphael - Zajaczkowski, Marek | Englund Gambit | |
| Mar 14, 2026 | Zajaczkowski | 0–1 | McCarthy | Round 2: Zajaczkowski, Marek - McCarthy, Kevin C | Scandinavian Defense: Gubinsky-Melts Defense | |
| Mar 14, 2026 | Salt | ½–½ | Zajaczkowski | Round 10: Salt, Ben - Zajaczkowski, Marek | Dutch Defense: Fianchetto Variation | |
| Mar 14, 2026 | Heritage | 1–0 | Zajaczkowski | Round 1: Heritage, Jamie - Zajaczkowski, Marek | Alekhine Defense: Four Pawns Attack, Main Line | |
| Mar 2, 2025 | Sharp | ½–½ | Zajaczkowski | Round 11: Sharp, Wolf - Zajaczkowski, Marek | Alekhine Defense: Normal Variation | |
| Mar 2, 2025 | Zajaczkowski | 1–0 | Naren | Round 8: Zajaczkowski, Marek - Naren, Vishnu | King's Gambit Accepted: MacLeod Defense | |
| Mar 2, 2025 | Zajaczkowski | 0–1 | Lee | Round 10: Zajaczkowski, Marek - Lee, Yuk Hei | Sicilian Defense: Smith-Morra Gambit Deferred | |
| Mar 2, 2025 | Jyothika U R | 1–0 | Zajaczkowski | Round 7: Jyothika U R - Zajaczkowski, Marek | Alekhine Defense: Exchange Variation | |
| Mar 2, 2025 | Chedd | 0–1 | Zajaczkowski | Round 9: Chedd, Neil - Zajaczkowski, Marek | Englund Gambit | |
| Mar 1, 2025 | Zajaczkowski | 0–1 | Sajanani | Round 2: Zajaczkowski, Marek - Sajanani, Vikas | Caro-Kann Defense: Maróczy Variation | |
| Mar 1, 2025 | Zajaczkowski | 1–0 | Neville | Round 4: Zajaczkowski, Marek - Neville, Andy | Sicilian Defense: Open | |
| Mar 1, 2025 | Zajaczkowski | 0–1 | Balmond | Round 6: Zajaczkowski, Marek - Balmond, Tom | Vienna Game: Vienna Gambit, Main Line | |
| Mar 1, 2025 | Lishoy Gengis Paratazham | 1–0 | Zajaczkowski | Round 1: Lishoy Gengis Paratazham, Dildarav - Zajaczkowski, Marek | Queen's Pawn Game: Anti-Torre | |
| Mar 1, 2025 | Pileggi | 1–0 | Zajaczkowski | Round 3: Pileggi, Cesar - Zajaczkowski, Marek | English Opening: Anglo-Indian Defense | |
| Mar 1, 2025 | Rayment | 0–1 | Zajaczkowski | Round 5: Rayment, Elijah - Zajaczkowski, Marek | Englund Gambit | |
| Apr 1, 2024 | Fletcher | * | Zajaczkowski | Round 7: Fletcher, Ben J - Zajaczkowski, Marek | ? | |
| Apr 1, 2024 | Zajaczkowski | 0–1 | Poliakov | Round 6: Zajaczkowski, Marek - Poliakov, Andrii | Bird Opening: Dutch Variation | |
| Mar 31, 2024 | Sahoo | 1–0 | Zajaczkowski | Round 5: Sahoo, Shivam - Zajaczkowski, Marek | Englund Gambit | |
| Mar 31, 2024 | Zajaczkowski | 1–0 | Kilambi | Round 4: Zajaczkowski, Marek - Kilambi, Aahna | Bird Opening | |
| Mar 31, 2024 | Roychowdhury | 0–1 | Zajaczkowski | Round 3: Roychowdhury, Aashita - Zajaczkowski, Marek | Alekhine Defense: Scandinavian Variation | |
| Mar 31, 2024 | Zajaczkowski | 0–1 | Dhingra | Round 2: Zajaczkowski, Marek - Dhingra, Kanvansh | French Defense: Knight Variation | |
| Mar 3, 2024 | Zajaczkowski | 1–0 | Broomfield | British Rapidplay - lower boards | Bird Opening | |
| Mar 3, 2024 | Borgars | 1–0 | Zajaczkowski | British Rapidplay - lower boards | Alekhine Defense: Normal Variation | |
| Mar 3, 2024 | Zajaczkowski | 0–1 | Casti | British Rapidplay - lower boards | Bird Opening | |
| Mar 3, 2024 | Mohammed Sharifdeen | 0–1 | Zajaczkowski | British Rapidplay - lower boards | Alekhine Defense: Scandinavian Variation | |
| Mar 3, 2024 | Zajaczkowski | 0–1 | Sudagar | British Rapidplay - lower boards | Blackmar-Diemer Gambit Accepted: Ziegler Defense | |
| Mar 2, 2024 | Eleoramo | 1–0 | Zajaczkowski | British Rapidplay - lower boards | Alekhine Defense: Four Pawns Attack | |
| Mar 2, 2024 | Zajaczkowski | 0–1 | Nicholas | British Rapidplay Championship 2024 | King's Gambit Accepted: Kieseritzky Gambit, Kolisch Defense | |
| Mar 2, 2024 | Sriram | 0–1 | Zajaczkowski | British Rapidplay - lower boards | Alekhine Defense: Scandinavian Variation | |
| Mar 2, 2024 | Zajaczkowski | 0–1 | Fava | British Rapidplay Championship 2024 | Alekhine Defense: Spielmann Gambit | |
| Mar 2, 2024 | Mehta | 0–1 | Zajaczkowski | British Rapidplay - lower boards | Sicilian Defense: Yates Variation | |
| Mar 2, 2024 | Zajaczkowski | 0–1 | Hng | British Rapidplay Championship 2024 | Alekhine Defense | |
