| 5 ago 2026 | Tureshbayev, Anuar 2250 | O`cuilleanain, Oisin 2128 | 1-0 | B90 Defensa Siciliana: Najdorf Variation, English Attack | The 105th Irish Championship 2026 | Championship | 39 | Ver |
| 4 ago 2026 | O`cuilleanain, Oisin 2128 | Woods, Yannick 2118 | 1-0 | B90 Defensa Siciliana: Najdorf Variation | The 105th Irish Championship 2026 | Championship | 31 | Ver |
| 19 abr 2026 | Gkavardinas, Antonios 2286 | O`cuilleanain, Oisin 2177 | 1-0 | B90 Defensa Siciliana: Najdorf Variation, Petronić Attack | 4th Pafos International 2026 | 71 | Ver |
| 28 nov 2025 | O`cuilleanain, Oisin 2170 | Schmider, Niklas |
