| Game | Result | Opening | Date |
|---|---|---|---|
| Leskovac, Nikola (2191) – O`neill, Matthew (1843) | 1-0 | Latvian Gambit | 2026-08-01 |
| O`neill, Matthew (1843) – Terlouw, Wouter (2323) | 0-1 | Sicilian Defense: Old Sicilian | 2026-07-31 |
| Bohatyrov, Mykola (2037) – O`neill, Matthew (1843) | 1-0 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | 2026-07-30 |
| O`neill, Matthew (1843) – Kopecny, Filip (2115) | 0-1 | King's Indian Defense: Orthodox Variation, Gligoric-Taimanov System | 2026-07-29 |
| Triger, Eitan (2052) – O`neill, Matthew (1843) | 1-0 | Sicilian Defense: Dragon Variation, Yugoslav Attack | 2026-07-28 |
| O`neill, Matthew (1843) – Gay, Lukas (2144) | 0-1 | Grob Opening: Grob Gambit | 2026-07-27 |
| O`neill, Matthew (1843) – Deveci, Huseyin Said (2250) | 0-1 | Sicilian Defense: Delayed Alapin Variation, with e6 | 2026-07-26 |
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