| Jun 2, 2026 | Butkiewicz | 1–0 | Racis | XXVIII MISTRZOSTWA WOJEWÓDZTWA PODLASKIEGO JUNIOREK DO LAT 16 | Borg Defense | |
| Jun 2, 2026 | Palejko | 1–0 | Butkiewicz | XXVIII MISTRZOSTWA WOJEWÓDZTWA PODLASKIEGO JUNIOREK DO LAT 16 | French Defense: Rubinstein Variation, Fort Knox Variation | |
| Jun 2, 2026 | Racis | 0–1 | Butkiewicz | XXVIII MISTRZOSTWA WOJEWÓDZTWA PODLASKIEGO JUNIOREK DO LAT 16 | Queen's Pawn Game: Chigorin Variation | |
| Jun 2, 2026 | Butkiewicz | 0–1 | Palejko | XXVIII MISTRZOSTWA WOJEWÓDZTWA PODLASKIEGO JUNIOREK DO LAT 16 | Sicilian Defense: Dragon Variation, Classical Variation | |
| Mar 15, 2026 | Branka | 1–0 | Butkiewicz | Indywidualne Mistrzostwa Polski Juniorow 2026 - D18 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Mar 14, 2026 | Butkiewicz | 0–1 | Bauer | Indywidualne Mistrzostwa Polski Juniorow 2026 - D18 | Sicilian Defense: Dragon Variation, Classical Variation, Normal Line | |
| Mar 13, 2026 | Racis | 0–1 | Butkiewicz | Indywidualne Mistrzostwa Polski Juniorow 2026 - D18 | Queen's Gambit Declined: Charousek Variation | |
| Mar 12, 2026 | Kaczmarek | 1–0 | Butkiewicz | Indywidualne Mistrzostwa Polski Juniorow 2026 - D18 | Catalan Opening: Closed | |
| Mar 11, 2026 | Butkiewicz | ½–½ | Rybka | Indywidualne Mistrzostwa Polski Juniorow 2026 - D18 | Italian Game: Classical Variation, Greco Gambit, Traditional Line | |
| Mar 10, 2026 | Lazniewska | 1–0 | Butkiewicz | Indywidualne Mistrzostwa Polski Juniorow 2026 - D18 | Portuguese Opening | |
| Mar 10, 2026 | Butkiewicz | 0–1 | Moczala | Indywidualne Mistrzostwa Polski Juniorow 2026 - D18 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Mar 9, 2026 | Butkiewicz | 1–0 | Pietryk | Indywidualne Mistrzostwa Polski Juniorow 2026 - D18 | Sicilian Defense: Najdorf Variation, Opocensky Variation, Traditional Line | |
| Mar 8, 2026 | Slusarczyk | ½–½ | Butkiewicz | Indywidualne Mistrzostwa Polski Juniorow 2026 - D18 | Queen's Gambit Declined: Orthodox Defense, Main Line | |
| Jan 11, 2026 | Butkiewicz | 0–1 | Widelski | Round 9: Butkiewicz, Hanna - Widelski, Kacper | Sicilian Defense: Lasker-Pelikan Variation, Schlechter Variation | |
| Jan 11, 2026 | Cybulski | ½–½ | Butkiewicz | Round 8: Cybulski, Wojciech - Butkiewicz, Hanna | Petrov's Defense: Three Knights Game | |
| Jan 11, 2026 | Etel | 1–0 | Butkiewicz | Round 7: Etel, Szymon - Butkiewicz, Hanna | Petrov's Defense: French Attack | |
| Jan 11, 2026 | Butkiewicz | ½–½ | Szulc | Round 6: Butkiewicz, Hanna - Szulc, Filip | Sicilian Defense: Four Knights Variation | |
| Jan 11, 2026 | Butkiewicz | 1–0 | Bukowski | Round 5: Butkiewicz, Hanna - Bukowski, Michal | Sicilian Defense: Open | |
| Jan 11, 2026 | Butkiewicz | 0–1 | Wojciech Bukowski | Round 3: Butkiewicz, Hanna - Wojciech Bukowski | Italian Game: Paris Defense | |
| Nov 21, 2021 | Butkiewicz | 0–1 | Najdecka | P�?fina? D13 | Sicilian Defense: Closed | |
| Nov 20, 2021 | Kicinska | 1–0 | Butkiewicz | P�?fina? D13 | Queen's Pawn Game: Chigorin Variation | |
| Nov 19, 2021 | Walerjan | 1–0 | Butkiewicz | P�?fina? D13 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Nov 18, 2021 | Butkiewicz | 1–0 | Dura | P�?fina? D13 | French Defense: Exchange Variation, Svenonius Variation | |
| Nov 18, 2021 | Nakielna | 0–1 | Butkiewicz | P�?fina? D13 | English Opening: King's English Variation, Reversed Closed Sicilian | |
| Nov 17, 2021 | Butkiewicz | 1–0 | Siekanska | P�?fina? D13 | Sicilian Defense: Closed, Traditional | |
| Nov 16, 2021 | Dziodko | 1–0 | Butkiewicz | P�?fina? D13 | Italian Game: Giuoco Piano | |
| Nov 15, 2021 | Butkiewicz | 0–1 | Popczynska | P�?fina? D13 | Zukertort Opening: Sicilian Invitation | |
| — | Butkiewicz | 0–1 | Tokarz | D18 | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| — | Butkiewicz | 0–1 | Sprzeczka | D18b | Italian Game: Classical Variation, Giuoco Pianissimo | |
| — | Butkiewicz | 0–1 | Szczotka | D18b | Queen's Pawn Game: London System | |
| — | Butkiewicz | 1–0 | Nowak | D18b | Ponziani Opening: Neumann Gambit | |
| — | Butkiewicz | 0–1 | Sliwicka | D18b | Sicilian Defense: Scheveningen Variation, Classical Variation | |
| — | Butkiewicz | 0–1 | Gajec | D18b | Sicilian Defense: Taimanov Variation | |
| — | Rybka | 1–0 | Butkiewicz | D18 | Petrov's Defense: French Attack | |
| — | Kawa | ½–½ | Butkiewicz | D18b | Ponziani Opening: Jaenisch Counterattack | |
| — | Kicinska | 1–0 | Butkiewicz | D18b | Torre Attack: Classical Defense | |
| — | Kulczycka | 1–0 | Butkiewicz | D18b | Four Knights Game: Gunsberg Variation | |