| Jul 13, 2026 | Izafatava | 1–0 | Kowalczyk | Blitz D16 | Polish Opening, with d5 | |
| Jul 13, 2026 | Kowalczyk | 0–1 | Piekutowska | Blitz D16 | English Opening: Agincourt Defense | |
| Jul 13, 2026 | Gora | ½–½ | Kowalczyk | Blitz D16 | Queen's Gambit Declined: Three Knights Variation | |
| Jul 13, 2026 | Gorecka | 1–0 | Kowalczyk | Blitz D16 | Catalan Opening: Closed Variation, Traditional Variation | |
| Jul 12, 2026 | Kowalczyk | ½–½ | Toczynska | Rapid D16 | Caro-Kann Defense: Panov Attack, Main Line | |
| Jul 12, 2026 | Gorecka | 1–0 | Kowalczyk | Rapid D16 | Catalan Opening: Closed | |
| Jul 12, 2026 | Kowalczyk | 1–0 | Lapczynska | Rapid D16 | English Opening: King's English Variation | |
| Jul 12, 2026 | Gajda | 1–0 | Kowalczyk | Rapid D16 | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| Jul 11, 2026 | Kowalczyk | 0–1 | Owsianna | Rapid D16 | English Opening: Symmetrical Variation | |
| Jul 11, 2026 | Kowalczyk | 0–1 | Roszkowska | Rapid D16 | English Opening: King's English Variation | |
| Jul 11, 2026 | Rusiecki | 1–0 | Kowalczyk | Rapid D16 | Queen's Gambit Declined: Harrwitz Attack, Fianchetto Defense | |
| May 29, 2026 | Kowalczyk | 0–1 | Rusiecki | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | King's Indian Defense: Normal Variation, Deferred Fianchetto | |
| May 28, 2026 | Kowalczyk | 1–0 | Banasiak | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | Old Indian Defense: Duz-Khotimirsky Variation | |
| May 27, 2026 | Kwasiborska | ½–½ | Kowalczyk | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | Queen's Pawn Game: London System | |
| May 26, 2026 | Kowalczyk | 0–1 | Palejko | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | English Opening: Agincourt Defense | |
| May 25, 2026 | Lajdamik | 1–0 | Kowalczyk | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | Sicilian Defense: French Variation | |
| May 24, 2026 | Kowalczyk | 0–1 | Kaczmarczyk | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | Queen's Gambit Declined | |
| May 23, 2026 | Zapalowska | 1–0 | Kowalczyk | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | Sicilian Defense: French Variation | |
| May 22, 2026 | Kowalczyk | ½–½ | Piekutowska | DMPJ - I Liga 2026 | English Opening: Anglo-Indian Defense, Flohr-Mikenas-Carls Variation, Nei Gambit | |
| May 21, 2026 | Woytitzki | 1–0 | Kowalczyk | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | Catalan Opening: Open Defense, Classical Line | |
| Jun 26, 2025 | Kicinska | 1–0 | Kowalczyk | II DMP Juniorow | Queen's Pawn Game: Zukertort Variation | |
| Jun 25, 2025 | Gajec | 0–1 | Kowalczyk | II DMP Juniorow | Sicilian Defense: Kramnik Variation | |
| Jun 24, 2025 | Kowalczyk | 0–1 | Michniak | II DMP Juniorow | English Opening: Anglo-Indian Defense, Queen's Knight Variation | |
| Jun 23, 2025 | Strzoda | 1–0 | Kowalczyk | II DMP Juniorow | Sicilian Defense: French Variation | |
| Jun 22, 2025 | Kowalczyk | 0–1 | Bastrzyk | II DMP Juniorow | King's Indian Defense: Kramer Variation | |
| Jun 21, 2025 | Rusiecki | 1–0 | Kowalczyk | II DMP Juniorow | Queen's Gambit Declined: Harrwitz Attack | |
| Jun 20, 2025 | Kowalczyk | ½–½ | Zapolska | II DMP Juniorow | King's Indian Defense: Kramer Variation | |
| Jun 19, 2025 | Wieczorek | 0–1 | Kowalczyk | II DMP Juniorow | Sicilian Defense: French Variation, Westerinen Attack | |
| Jun 18, 2025 | Kowalczyk | 0–1 | Branka | II DMP Juniorow | Grünfeld Defense: Three Knights Variation, Burille Variation, Reversed Tarrasch | |
| Aug 2, 2024 | Kowalczyk | 0–1 | Wieczorek | Rapid D14 | King's Indian Defense: Semi-Classical Variation | |
| Aug 2, 2024 | Lajdamik | 0–1 | Kowalczyk | Rapid D14 | Sicilian Defense: French Variation | |
| May 2, 2023 | Frankiewicz | 1–0 | Kowalczyk | MP Dzieci do lat 7 | Owen Defense | |
| May 1, 2023 | Krogulska | 1–0 | Kowalczyk | MP Dzieci do lat 7 | Pirc Defense | |
| May 1, 2023 | Pek | 0–1 | Kowalczyk | MP Dzieci do lat 7 | ? | |
| Apr 30, 2023 | Kowalczyk | 0–1 | Dziadek | MP Dzieci do lat 7 | Hungarian Opening | |
| Apr 30, 2023 | Domagala | 1–0 | Kowalczyk | MP Dzieci do lat 7 | Owen Defense: Smith Gambit | |
| Apr 29, 2023 | Kowalczyk | ½–½ | Szmaus | MP Dzieci do lat 7 | Hungarian Opening | |
| Apr 29, 2023 | Sojka | 1–0 | Kowalczyk | MP Dzieci do lat 7 | Van't Kruijs Opening | |
| — | Kowalczyk | 0–1 | Obukhava | D16 | English Opening: King's English Variation | |
| — | Kowalczyk | 0–1 | Zapolska | D16b | English Opening | |