| May 5, 2025 | Mihalik | 0–1 | Verbytski | Round 11: Mihalik, Agoston - Verbytski, Oleg | Sicilian Defense: Closed, Traditional | |
| May 4, 2025 | Mihalik | ½–½ | Hughes | Round 10: Mihalik, Agoston - Hughes, Roy | Scandinavian Defense: Gubinsky-Melts Defense | |
| May 3, 2025 | Gallana | 1–0 | Mihalik | Round 9: Gallana, Marco - Mihalik, Agoston | English Opening: Agincourt Defense, Wimpy System | |
| Apr 6, 2025 | Udovenko | 1–0 | Mihalik | Round 8: Udovenko, Daniel - Mihalik, Agoston | Queen's Gambit Declined: Cambridge Springs Defense | |
| Apr 5, 2025 | Mihalik | 0–1 | Valdepenas Octavio | Round 7: Mihalik, Agoston - Valdepenas Octavio, Javier | Scotch Game: Potter Variation | |
| Mar 2, 2025 | Mihalik | ½–½ | Yoon | Round 11: Mihalik, Agoston - Yoon, Jacob D | French Defense: Tarrasch Variation, Morozevich Variation | |
| Feb 16, 2025 | Shek | 0–1 | Mihalik | Round 6: Shek, Daniel - Mihalik, Agoston | English Opening: Four Knights System, Nimzowitsch Variation | |
| Mar 2, 2025 | Mihalik | 1–0 | Lapidus | Round 7: Mihalik, Agoston - Lapidus, Alexey M. | Sicilian Defense: French Variation | |
| Mar 2, 2025 | Mihalik | 0–1 | Boswell | Round 9: Mihalik, Agoston - Boswell, Jacob Connor | Sicilian Defense: Hyperaccelerated Dragon | |
| Mar 2, 2025 | Cheng | 0–1 | Mihalik | Round 8: Cheng, Louis - Mihalik, Agoston | Sicilian Defense: Closed | |
| Mar 2, 2025 | Hughes | 0–1 | Mihalik | Round 10: Hughes, Roy - Mihalik, Agoston | Queen's Pawn Game: London System | |
| Mar 1, 2025 | Mihalik | 1–0 | Sriram | Round 1: Mihalik, Agoston - Sriram, Gautam | Scandinavian Defense: Main Line | |
| Mar 1, 2025 | Mihalik | 0–1 | Gormally | Round 3: Mihalik, Agoston - Gormally, Daniel W | Sicilian Defense: Moscow Variation | |
| Mar 1, 2025 | Mihalik | ½–½ | White | Round 5: Mihalik, Agoston - White, Stuart A | Sicilian Defense: Moscow Variation, Main Line | |
| Mar 1, 2025 | Fairhurst | 0–1 | Mihalik | Round 2: Fairhurst, Frederick - Mihalik, Agoston | Sicilian Defense: French Variation | |
| Mar 1, 2025 | Sagues | 0–1 | Mihalik | Round 4: Sagues, Vincent - Mihalik, Agoston | Sicilian Defense: Kan Variation, Polugaevsky Variation | |
| Mar 1, 2025 | Sarakauskas | 1–0 | Mihalik | Round 6: Sarakauskas, Gediminas - Mihalik, Agoston | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Jan 26, 2025 | Mason | ½–½ | Mihalik | Round 4: Mason, Donald J - Mihalik, Agoston | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Jan 25, 2025 | Mihalik | 1–0 | Saunders | Round 3: Mihalik, Agoston - Saunders, Aron | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Feb 24, 2024 | Mihalik | ½–½ | Asgarova | Round 9: Mihalik, Agoston - Asgarova, Turan | Sicilian Defense: French Variation | |
| Feb 23, 2024 | Wheatley | 0–1 | Mihalik | Round 8: Wheatley, Wilfred - Mihalik, Agoston | Sicilian Defense: Delayed Alapin Variation | |
| Feb 23, 2024 | Mihalik | ½–½ | Lazarus | Round 7: Mihalik, Agoston - Lazarus, Simon E | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Feb 22, 2024 | Evans | ½–½ | Mihalik | Round 6: Evans, Ruben - Mihalik, Agoston | Queen's Gambit Declined: Cambridge Springs Defense | |
| Feb 21, 2024 | Agoston Mihalik | 0–1 | Peter T Roberson | Round 5: Agoston Mihalik - Peter T Roberson | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| Feb 21, 2024 | D Ian W Reynolds | 0–1 | Agoston Mihalik | Round 4: D Ian W Reynolds - Agoston Mihalik | Sicilian Defense: Alapin Variation, Stoltz Attack | |
| Feb 20, 2024 | Agoston Mihalik | 0–1 | Ameet K Ghasi | Round 3: Agoston Mihalik - Ameet K Ghasi | Sicilian Defense: French Variation | |
| Feb 19, 2024 | Julia Volovich | 0–1 | Agoston Mihalik | Round 2: Julia Volovich - Agoston Mihalik | Nimzo-Indian Defense: Classical Variation, Keres Defense | |
| Feb 19, 2024 | Agoston Mihalik | 0–1 | Shreyas Royal | Round 1: Agoston Mihalik - Shreyas Royal | Sicilian Defense: Moscow Variation | |
| Jul 30, 2023 | Trisha Kanyamarala | 1–0 | Agoston Mihalik | British Chess Championships 2023: Championship | Nimzo-Indian Defense: Romanishin Variation | |
| Jul 29, 2023 | Aaravamudhan Balaji | 1–0 | Agoston Mihalik | Round 8: Aaravamudhan Balaji - Agoston Mihalik | Nimzo-Larsen Attack: Classical Variation | |
| Jul 28, 2023 | Mihalik | 1–0 | Shaw | British Chess Championships 2023: Championship | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| Jul 26, 2023 | Mihalik | 0–1 | Bates | British Chess Championships 2023: Championship | Sicilian Defense: Moscow Variation, Main Line | |
| Jul 25, 2023 | Dignam | 0–1 | Mihalik | British Chess Championships 2023: Championship | Sicilian Defense: French Variation | |
| Jul 24, 2023 | Mihalik | 0–1 | Han | British Chess Championships 2023: Championship | Sicilian Defense: French Variation | |
| Jul 23, 2023 | Hebden | ½–½ | Mihalik | British Chess Championships 2023: Championship | Queen's Gambit Declined: Cambridge Springs Defense | |
| Jul 22, 2023 | Mihalik | ½–½ | Pert | British Chess Championships 2023: Championship | Caro-Kann Defense: Advance Variation | |
| — | Khoury | ½–½ | Mihalik | British Chess Championships 2023: Championship | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
