| Dec 30, 2025 | Ocytko | 1–0 | Lewczuk | Runda 9: Ocytko, Andrzej - Lewczuk, Jakub | Queen's Pawn Game: London System | |
| Dec 30, 2025 | Lewczuk | 1–0 | Bombinski | Runda 8: Lewczuk, Jakub - Bombinski, Michal | Bird Opening | |
| Dec 30, 2025 | Fudala | 1–0 | Lewczuk | Runda 7: Fudala, Dominik - Lewczuk, Jakub | Caro-Kann Defense: Exchange Variation | |
| Dec 29, 2025 | Lewczuk | 0–1 | Rajlich | Runda 6: Lewczuk, Jakub - Rajlich, Vaclav | Bird Opening: Horsefly Defense | |
| Dec 29, 2025 | Lewczuk | 1–0 | Ryszkiewicz | Runda 5: Lewczuk, Jakub - Ryszkiewicz, Adam | Bird Opening: Dutch Variation | |
| Dec 28, 2025 | Kaminski | 1–0 | Lewczuk | Runda 4: Kaminski, Jan - Lewczuk, Jakub | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| Dec 27, 2025 | Nowak | 0–1 | Lewczuk | Runda 3: Nowak, Roksana - Lewczuk, Jakub | Caro-Kann Defense: Panov Attack | |
| Dec 27, 2025 | Lewczuk | 0–1 | Szuminski | Runda 2: Lewczuk, Jakub - Szuminski, Jakub | Bird Opening: Dutch Variation | |
| Dec 27, 2025 | Ceponis | 0–1 | Lewczuk | Runda 1: Ceponis, Tadas - Lewczuk, Jakub | ? | |
| Jun 2, 2025 | Lewczuk | 0–1 | Starosta | Open | Bird Opening: Dutch Variation | |
| Jun 1, 2025 | Krosny | 1–0 | Lewczuk | Open-3 | Slav Defense: Modern Line | |
| Jun 1, 2025 | Begier | 0–1 | Lewczuk | Open | Caro-Kann Defense: Panov Attack | |
| May 31, 2025 | Lewczuk | 0–1 | Jendrowiak | Open | Bird Opening: Dutch Variation | |
| May 31, 2025 | Smolinski | 0–1 | Lewczuk | Open | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| May 31, 2025 | Seemann | 0–1 | Lewczuk | Open | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| May 31, 2025 | Lewczuk | 1–0 | Galyga | Open | Bird Opening | |
| May 31, 2025 | Olszewski | * | Lewczuk | Open | ? | |
| May 31, 2025 | Lewczuk | 0–1 | Kowalski | Open-1 | Nimzo-Larsen Attack: Classical Variation | |
| Aug 3, 2024 | Lewczuk | 1–0 | Wilczek | rapid c8 | Bird Opening | |
| Aug 3, 2024 | Lewczuk | 0–1 | Szumiec | rapid c8 | Queen's Pawn Game | |
| Aug 3, 2024 | Lewczuk | 1–0 | Wasilewicz | rapid c8 | Bird Opening: Dutch Variation | |
| Aug 3, 2024 | Tryburski | 0–1 | Lewczuk | rapid c8 | Scandinavian Defense: Valencian Variation, Main Line | |
| Aug 3, 2024 | Perz | ½–½ | Lewczuk | rapid c8 | Scandinavian Defense: Valencian Variation, Main Line | |
| Aug 2, 2024 | Lewczuk | 1–0 | Grzeczka | rapid c8 | Rapport-Jobava System | |
| Aug 2, 2024 | Lewczuk | 1–0 | Tuczynski | rapid c8 | Rapport-Jobava System, with e6 | |
| Aug 2, 2024 | Lewczuk | 1–0 | Rusek | rapid c8 | Bird Opening | |
| Aug 2, 2024 | Kaniewski | 0–1 | Lewczuk | rapid c8 | Caro-Kann Defense: Exchange Variation | |
| Aug 2, 2024 | Pera | 0–1 | Lewczuk | rapid c8 | Semi-Slav Defense: Main Line | |
| Aug 2, 2024 | Monka | ½–½ | Lewczuk | rapid c8 | Scandinavian Defense: Valencian Variation, Main Line | |
| Jul 8, 2024 | Lewczuk | 1–0 | Malicka | Macieja Memorial | Bird Opening | |
| Jul 8, 2024 | Lewczuk | 0–1 | Alvarado | Macieja Memorial | English Defense | |
| Jul 8, 2024 | Lewczuk | 1–0 | Pesko | Macieja Memorial | Rapport-Jobava System | |
| Jul 8, 2024 | Lewczuk | 1–0 | Zaninotto | Macieja Memorial | Rapport-Jobava System, with e6 | |
| Jul 8, 2024 | Pires | 1–0 | Lewczuk | Macieja Memorial | Caro-Kann Defense: Hillbilly Attack | |
| Jul 8, 2024 | Patil | 1–0 | Lewczuk | Macieja Memorial | Réti Opening | |
| Jul 8, 2024 | Tsiapko | 1–0 | Lewczuk | Macieja Memorial | Slav Defense: Breyer Variation | |
| May 2, 2023 | Lewczuk | 1–0 | Kowalski | MP Dzieci do lat 7 | Queen's Pawn Game: Accelerated London System | |
| May 1, 2023 | Przygodzki | 1–0 | Lewczuk | MP Dzieci do lat 7 | Sicilian Defense: Closed, Anti-Sveshnikov Variation, with Nf6 | |
| May 1, 2023 | Dybowski | 1–0 | Lewczuk | MP Dzieci do lat 7 | ? | |
| Apr 30, 2023 | Lewczuk | 1–0 | Sakwa | MP Dzieci do lat 7 | Queen's Pawn Game: Accelerated London System | |
| Apr 30, 2023 | Wierzbicki | 0–1 | Lewczuk | MP Dzieci do lat 7 | Sicilian Defense: Closed, Anti-Sveshnikov Variation, with Nf6 | |
| Apr 29, 2023 | Lewczuk | 1–0 | Ratajczyk | MP Dzieci do lat 7 | Queen's Pawn Game: Accelerated London System | |
| Apr 29, 2023 | Lewczuk | 1–0 | Snela | MP Dzieci do lat 7 | Queen's Pawn Game: Accelerated London System | |
| Apr 29, 2023 | Monka | 1–0 | Lewczuk | MP Dzieci do lat 7 | Sicilian Defense: Alapin Variation | |
| — | Lewczuk | 1–0 | Grabowski | C10 | Bird Opening | |
| — | Lewczuk | 1–0 | Worek | C10 | Bird Opening: Dutch Variation | |
| — | Lewczuk | 1–0 | Pera | C10 | Bird Opening: Dutch Variation | |
| — | Lewczuk | 1–0 | Rusek | C10 | Bird Opening: Dutch Variation | |
| — | Lewczuk | 1–0 | Griman | C10 | Bird Opening: Dutch Variation | |
| — | Lewczuk | ½–½ | Monka | C10 | Bird Opening: Lasker Variation | |
| — | Lewczuk | 1–0 | Sieczkowski | C10b | Bird Opening | |
| — | Lewczuk | 1–0 | Malachowski | C10b | Bird Opening | |
| — | Lewczuk | ½–½ | Trzopek | C10b | Bird Opening | |
| — | Lewczuk | 1–0 | Ciupek | C10b | Bird Opening: Dutch Variation | |
| — | Lewczuk | 1–0 | Wilczek | C10b | Bird Opening | |
| — | Lewczuk | 1–0 | Griman | C10b | Bird Opening | |
| — | Seczek | 1–0 | Lewczuk | C10 | Sicilian Defense: Smith-Morra Gambit Accepted | |
| — | Kolodziej | 0–1 | Lewczuk | C10 | Caro-Kann Defense: Tartakower Variation | |
| — | Wrobel | 0–1 | Lewczuk | C10 | Caro-Kann Defense: Panov Attack | |
| — | Ciupek | 0–1 | Lewczuk | C10 | Caro-Kann Defense: Tartakower Variation | |
| — | Branecki | ½–½ | Lewczuk | C10 | Caro-Kann Defense: Maróczy Variation | |
| — | Loboda | 0–1 | Lewczuk | C10b | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| — | Sieczkowski | 0–1 | Lewczuk | C10b | Caro-Kann Defense: Tartakower Variation | |
| — | Hurskyi | 1–0 | Lewczuk | C10b | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| — | Chmiel | 0–1 | Lewczuk | C10b | Caro-Kann Defense: Exchange Variation | |
| — | Fuks | 1–0 | Lewczuk | C10b | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| — | Wasilewicz | 1–0 | Lewczuk | C10b | Caro-Kann Defense: Exchange Variation | |
| — | Czachurski | 0–1 | Lewczuk | C10b | Caro-Kann Defense: Exchange Variation | |