| Game | Result | Opening | Date |
|---|---|---|---|
| Kicinski, Jacek (1890) – Kozak, Karol (1860) | 1/2-1/2 | Torre Attack: Classical Defense | 2026-09-01 |
| Kozak, Karol (1866) – Kolinski, Jakub (1873) | 1/2-1/2 | French Defense: Winawer Variation, Positional Variation | 2026-08-31 |
| Kozak, Karol (1866) – Pajak, Jakub (1894) | 1/2-1/2 | Sicilian Defense: Accelerated Dragon, Maróczy Bind | 2026-08-29 |
| Vitsiuk, Aleksandra (1765) – Kozak, Karol (1866) | 0-1 | Sicilian Defense: Chekhover Variation | 2026-08-22 |
| Kozak, Karol (1866) – Andrzejewski, Jakub (1776) | 1-0 | Italian Game: Scotch Gambit, Max Lange Attack | 2026-08-21 |
| Wolfson Trudeau, Izaak (1751) – Kozak, Karol (1866) | 0-1 | Sicilian Defense: Najdorf Variation | 2026-08-20 |
| Kozak, Karol (1866) – Komarow-Dereniowski, Jan (1728) | 0-1 | Sicilian Defense: Kalashnikov Variation | 2026-08-17 |
| Fukowski, Pawel (2044) – Kozak, Karol (1866) | 1-0 | Benoni Defense: Modern Variation | 2026-08-16 |
| Kozak, Karol (1866) – Ziemski, Jaroslaw (1720) | 1-0 | Caro-Kann Defense: Exchange Variation | 2026-08-15 |
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