| Jul 6, 2026 | MOJZIS | * | Szczesniak | XXII MFS PERŁA BAŁTYKU - GRUPA C | King's Indian Defense: Fianchetto Variation, Carlsbad Variation | |
| Jul 4, 2026 | Szczesniak | 1–0 | Bugajski | XXII MFS PERŁA BAŁTYKU - GRUPA C | English Opening: Symmetrical Variation, Four Knights Variation | |
| Jul 3, 2026 | Karbowiak | 0–1 | Szczesniak | XXII MFS PERŁA BAŁTYKU - GRUPA C | King's Indian Attack: Symmetrical Defense | |
| Jun 30, 2026 | Szczesniak | 1–0 | Milanowski | XXII MFS PERŁA BAŁTYKU - GRUPA C | Dutch Defense: Stonewall Variation | |
| Jun 29, 2026 | Krasowski | 0–1 | Szczesniak | XXII MFS PERŁA BAŁTYKU - GRUPA C | King's Indian Defense: Four Pawns Attack, Dynamic Attack | |
| Jun 28, 2026 | Szczesniak | 1–0 | Zbrzezny | XXII MFS PERŁA BAŁTYKU - GRUPA C | Queen's Pawn Game: Accelerated London System | |
| Jun 27, 2026 | Szczesniak | ½–½ | Cap | XXII MFS PERŁA BAŁTYKU - GRUPA C | Queen's Pawn Game: Accelerated London System | |
| Jun 27, 2026 | Szczesniak | 0–1 | Mulet | XXII MFS PERŁA BAŁTYKU - GRUPA C | Grünfeld Defense: Exchange Variation, Classical Variation | |
| Jun 27, 2026 | Sokolowski | 0–1 | Szczesniak | XXII MFS PERŁA BAŁTYKU - GRUPA C | King's Indian Defense: Semi-Averbakh System | |
| Sep 7, 2025 | Augustyn | 0–1 | Szczesniak | 2 liga 2025 2 | Caro-Kann Defense: Tartakower Variation | |
| Sep 6, 2025 | Szczesniak | 0–1 | Drozdowski | 2 liga 2025 2 | Queen's Pawn Game: Accelerated London System | |
| Sep 5, 2025 | Chrzaszcz | 1–0 | Szczesniak | 2 liga 2025 2 | Sicilian Defense: Dragon Variation, Yugoslav Attack | |
| Sep 4, 2025 | Wnek | 1–0 | Szczesniak | 2 liga 2025 2 | Sicilian Defense: Dragon Variation, Yugoslav Attack | |
| Sep 3, 2025 | Szczesniak | 1–0 | Ciesla | 2 liga 2025 2 | Indian Defense | |
| Sep 2, 2025 | Szczesniak | ½–½ | Jedraszek | 2 liga 2025 2 | Benoni Defense: Old Benoni | |
| Sep 1, 2025 | Turski | 1–0 | Szczesniak | 2 liga 2025 1 | Caro-Kann Defense: Maróczy Variation | |
| Jul 8, 2025 | Szczesniak | 0–1 | Mielczarski | XXI Baltic Pearl Chess Festival Group C | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
| Jul 7, 2025 | Krainski | 1–0 | Szczesniak | XXI Baltic Pearl Chess Festival Group C | Semi-Slav Defense: Normal Variation | |
| Jul 5, 2025 | Czaja | 0–1 | Szczesniak | XXI Baltic Pearl Chess Festival Group C | Queen's Pawn Game: Accelerated London System | |
| Jul 4, 2025 | Szczesniak | 1–0 | Stadnicki | XXI Baltic Pearl Chess Festival Group C | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
| Jul 3, 2025 | Wierzbicka | 0–1 | Szczesniak | XXI Baltic Pearl Chess Festival Group C | King's Indian Attack: Wahls Defense | |
| Jul 2, 2025 | Szczesniak | 0–1 | Slawinski | XXI Baltic Pearl Chess Festival Group C | Indian Defense | |
| Jul 1, 2025 | Siewert | 0–1 | Szczesniak | XXI Baltic Pearl Chess Festival Group C | Caro-Kann Defense: Breyer Variation | |
| Jun 30, 2025 | Szczesniak | 1–0 | Mulet | XXI Baltic Pearl Chess Festival Group C | Indian Defense | |