| 14 sep 2025 | Butkiewicz, Lukasz 2334 | Leszczewicz, Karol 2064 | 1-0 | A39 Apertura Inglesa: Symmetrical Variation, Mecking Variation | I Liga 1-5 | 78 | Ver |
| 13 sep 2025 | Leszczewicz, Karol 2064 | Lonski, Aleksander 2042 | ½-½ | D02 Apertura de Peón de Dama: London System, with e6 | I Liga 6-10 | 66 | Ver |
| 12 sep 2025 | Wandor, Adam 2040 | Leszczewicz, Karol 2064 | 1-0 | B12 Defensa Caro-Kann: Advance Variation, Tal Variation | I Liga 1-5 | 28 | Ver |
| 11 sep 2025 | Skowronski, Piotr 2004 | Leszczewicz, Karol 2064 | ½-½ | A10 Apertura Inglesa | I Liga 6-10 | 66 | Ver |
| 10 sep 2025 | Leszczewicz, Karol 2064 | Adamowicz, Katarzyna 2069 | ½-½ | E10 Defensa India: Anti-Nimzo-Indian | I Liga 1-5 | 60 | Ver |
| 9 sep 2025 | Kucharski, Bartlomiej 2151 | Leszczewicz, Karol 2064 | ½-½ | B28 Defensa Siciliana: O'Kelly Variation, Venice System | I Liga 6-10 | 44 | Ver |
| 8 sep 2025 | Leszczewicz, Karol 2064 | Suliborski, Jakub 2266 | 0-1 | A46 Defensa India: Wade-Tartakower Defense | I Liga 1-5 | 31 | Ver |
| 7 sep 2025 | Pniaczek, Marek 2194 | Leszczewicz, Karol 2064 | 1-0 | B03 Defensa Alekhine: Four Pawns Attack, Fianchetto Variation | I Liga 1-5 | 30 | Ver |