| Game | Result | Opening | Date |
|---|---|---|---|
| Mierzwa, Mateusz (1616) – Diachek, Andrii (2350) | 0-1 | Italian Game: Two Knights Defense, Modern Bishop's Opening | 2026-07-13 |
| Kozmala, Michal (1895) – Diachek, Andrii (2350) | 0-1 | Zukertort Opening: Nimzo-Larsen Variation | 2026-07-13 |
| Korszanski, Stanislaw (2267) – Diachek, Andrii (2350) | 0-1 | Italian Game: Two Knights Defense, Modern Bishop's Opening | 2026-07-13 |
| Diachek, Andrii (2350) – Gibala, Adam (2267) | 0-1 | English Opening: Symmetrical Variation | 2026-07-13 |
| Diachek, Andrii (2350) – Kozlowski, Kacper (1774) | 1-0 | English Opening: Anglo-Indian Defense, King's Indian Formation | 2026-07-13 |
| Diachek, Andrii (2350) – Pelczarski, Wojciech (1978) | 1-0 | English Opening: King's English Variation | 2026-07-13 |
| Diachek, Andrii (2350) – Madejski, Milosz (2216) | 1-0 | Catalan Opening: Open Defense | 2026-07-13 |
| Rajbharath, Harjith (1960) – Diachek, Andrii (2350) | 0-1 | Nimzo-Indian Defense: Three Knights Variation | 2026-07-13 |
| Diachek, Andrii (2350) – Golis, Wiktor (2291) | 1-0 | English Opening: Agincourt Defense | 2026-07-10 |
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