| Jun 30, 2026 | Stachowiak | 1–0 | Koszalka | XXII Baltic Pearl Chess Festival 2026 - Group A 1-20 | Nimzo-Larsen Attack: Classical Variation | |
| Jun 29, 2026 | Pawlicz | ½–½ | Stachowiak | XXII Baltic Pearl Chess Festival 2026 - Group A 1-20 | Hungarian Opening | |
| Jun 28, 2026 | Stachowiak | 1–0 | Szachniewicz | XXII Baltic Pearl Chess Festival 2026 - Group A 1-20 | Nimzo-Larsen Attack: Classical Variation | |
| May 29, 2026 | Stachowiak | ½–½ | Rajlich | DMPJ - I Liga 2026 | Zukertort Opening: Sicilian Invitation | |
| May 28, 2026 | Wolak | 0–1 | Stachowiak | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | King's Indian Attack | |
| May 27, 2026 | Ptaszynski | 1–0 | Stachowiak | DMPJ - I Liga 2026 | French Defense: Advance Variation, Paulsen Attack | |
| May 25, 2026 | Stachowiak | 0–1 | Iwan | DMPJ - I Liga 2026 | Zukertort Opening: Sicilian Invitation | |
| May 24, 2026 | Zareba | 1–0 | Stachowiak | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| May 23, 2026 | Stachowiak | 1–0 | Dylong | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | French Defense: Tarrasch Variation, Morozevich Variation | |
| May 21, 2026 | Stachowiak | ½–½ | Kraczek | DMPJ - I Liga 2026 | Trompowsky Attack | |
| May 21, 2026 | Diachek | ½–½ | Stachowiak | DMPJ - I Liga 2026 | Caro-Kann Defense: Two Knights Attack | |
| May 21, 2026 | Stachowiak | 1–0 | Macura | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | Sicilian Defense: Richter-Rauzer Variation, Modern Variation | |
| Mar 15, 2026 | Dylong | ½–½ | Stachowiak | Indywidualne Mistrzostwa Polski Juniorow 2026 - C18 | French Defense: Exchange Variation | |
| Mar 14, 2026 | Stachowiak | ½–½ | Sniadecki | Indywidualne Mistrzostwa Polski Juniorow 2026 - C18 | Torre Attack: Classical Defense | |
| Mar 13, 2026 | Zareba | ½–½ | Stachowiak | Indywidualne Mistrzostwa Polski Juniorow 2026 - C18 | Ruy Lopez: Closed, Delayed Exchange | |
| Mar 12, 2026 | Stachowiak | ½–½ | Skrzypinski | Indywidualne Mistrzostwa Polski Juniorow 2026 - C18 | Sicilian Defense: Chekhover Variation | |
| Mar 11, 2026 | Nagly | ½–½ | Stachowiak | Indywidualne Mistrzostwa Polski Juniorow 2026 - C18 | English Opening: Agincourt Defense | |
| Mar 10, 2026 | Stachowiak | 1–0 | Pyrek | Indywidualne Mistrzostwa Polski Juniorow 2026 - C18 | King's Indian Defense: Makogonov Variation | |
| Mar 10, 2026 | Musial | 1–0 | Stachowiak | Indywidualne Mistrzostwa Polski Juniorow 2026 - C18 | Caro-Kann Defense: Tartakower Variation | |
| Mar 9, 2026 | Bartnik | 0–1 | Stachowiak | Indywidualne Mistrzostwa Polski Juniorow 2026 - C18 | Sicilian Defense: Sozin Attack, Leonhardt Variation | |
| Mar 7, 2026 | Stachowiak | 0–1 | Sowinski | Indywidualne Mistrzostwa Polski Juniorow 2026 - C18 | Sicilian Defense: Moscow Variation | |
| Oct 4, 2025 | Jagodzinski | 1–0 | Stachowiak | MP-rapid25 | Nimzo-Larsen Attack: Classical Variation | |
| Oct 4, 2025 | Stachowiak | ½–½ | Grot | MP-rapid25 | Sicilian Defense: Four Knights Variation, Cobra Variation | |
| Oct 4, 2025 | Wojdak | 0–1 | Stachowiak | MP-rapid25 | French Defense: Tarrasch Variation, Guimard Defense, Main Line | |
| Oct 4, 2025 | Stachowiak | 0–1 | Nasuta | MP-rapid25 | Sicilian Defense: Moscow Variation | |
| Oct 4, 2025 | Sernecki | 1–0 | Stachowiak | MP-rapid25 | Nimzo-Indian Defense: Normal Variation | |
| Oct 4, 2025 | Stachowiak | 1–0 | Sliwicki | MP-rapid25 | Sicilian Defense: Hyperaccelerated Fianchetto | |
| Oct 4, 2025 | Stachowiak | ½–½ | Janaszak | MP-rapid25 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jun 26, 2025 | Stachowiak | 1–0 | Nawrocki | II DMP Juniorow | King's Indian Attack | |
| Jun 25, 2025 | Jasiulewicz | 1–0 | Stachowiak | II DMP Juniorow | Queen's Indian Defense: Fianchetto Variation, Check Variation, Intermezzo Line | |
| Jun 24, 2025 | Stachowiak | 1–0 | Nowak | II DMP Juniorow | Center Game: Normal Variation | |
| Jun 23, 2025 | Stachowiak | 0–1 | Demski | II DMP Juniorow | Caro-Kann Defense: Advance Variation, Short Variation | |
| Jun 22, 2025 | Gbiorczyk | 1–0 | Stachowiak | II DMP Juniorow | Queen's Gambit Declined: Janowski Variation | |
| Jun 21, 2025 | Rajlich | ½–½ | Stachowiak | II DMP Juniorow | Caro-Kann Defense: Advance Variation | |
| Jun 20, 2025 | Stachowiak | 1–0 | Bochenek | II DMP Juniorow | King's Indian Attack | |
| Jun 19, 2025 | Galczynski | 0–1 | Stachowiak | II DMP Juniorow | Caro-Kann Defense | |
| Jun 18, 2025 | Stachowiak | 1–0 | Lapczynski | II DMP Juniorow | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Aug 25, 2024 | Wites | ½–½ | Stachowiak | 60. Jubileuszowy Mi?dzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN B | Sicilian Defense: Moscow Variation | |
| Aug 24, 2024 | Stachowiak | 0–1 | Szadkowski | 60. Jubileuszowy Mi?dzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN B | Scandinavian Defense: Valencian Variation | |
| Aug 23, 2024 | Trochimczuk | * | Stachowiak | 60. Jubileuszowy Mi?dzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN B | Queen's Gambit Declined: Barmen Variation | |
| Aug 22, 2024 | Stachowiak | ½–½ | Radecki | 60. Jubileuszowy Mi?dzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN B | Philidor Defense: Lion Variation | |
| Aug 21, 2024 | Straszewski | 0–1 | Stachowiak | 60. Jubileuszowy Mi?dzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN B | Nimzo-Indian Defense: Classical Variation | |
| Aug 20, 2024 | Stachowiak | 1–0 | Wojtowicz | 60. Jubileuszowy Mi?dzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN B | Caro-Kann Defense: Advance Variation | |
| Aug 19, 2024 | Turek | 1–0 | Stachowiak | 60. Jubileuszowy Mi?dzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN B | Nimzowitsch Defense: Scandinavian Variation, Advance Variation | |
| Aug 18, 2024 | Stachowiak | 1–0 | Bajno | 60. Jubileuszowy Mi?dzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN B | Rapport-Jobava System | |
| Aug 14, 2024 | Stachowiak | 1–0 | Protas | Festiwal Adolfa Anderssena 2024 B | Sicilian Defense: Dragon Variation, Yugoslav Attack, Main Line | |
| Aug 13, 2024 | Jaroszewicz | ½–½ | Stachowiak | Festiwal Adolfa Anderssena 2024 B | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Aug 12, 2024 | Stachowiak | ½–½ | Spytek | Festiwal Adolfa Anderssena 2024 B | Rapport-Jobava System | |
| Aug 12, 2024 | Wilgosz | 1–0 | Stachowiak | Festiwal Adolfa Anderssena 2024 B | Scotch Game: Potter Variation | |
| Aug 11, 2024 | Stachowiak | 1–0 | Leszczewicz | Festiwal Adolfa Anderssena 2024 B | Caro-Kann Defense: Advance Variation | |
| Aug 10, 2024 | Nowacka | ½–½ | Stachowiak | Festiwal Adolfa Anderssena 2024 B | Slav Defense: Exchange Variation | |
| Aug 9, 2024 | Stachowiak | ½–½ | Mukherjee Bratajit | Festiwal Adolfa Anderssena 2024 B | Sicilian Defense: French Variation | |
| Aug 9, 2024 | Kopestynski | ½–½ | Stachowiak | Festiwal Adolfa Anderssena 2024 B | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| Aug 8, 2024 | Stachowiak | 0–1 | Gureke | Festiwal Adolfa Anderssena 2024 B | Rapport-Jobava System | |
| Jun 2, 2024 | Zenker | 1–0 | Stachowiak | xd | Nimzo-Indian Defense: Classical Variation, Berlin Variation | |
| Jun 1, 2024 | Adamski | 1–0 | Stachowiak | xd | Italian Game: Scotch Gambit, Max Lange Attack | |
| May 31, 2024 | Stachowiak | 0–1 | Gora | xd | Indian Defense: Spielmann-Indian | |
| May 30, 2024 | Stachowiak | 1–0 | Felis | xd | Dutch Defense: Raphael Variation | |
| May 30, 2024 | Zadon | 0–1 | Stachowiak | xd | Modern Defense: Two Knights Variation | |
| Aug 22, 2023 | Niekras | 1–0 | Stachowiak | Festiwal Poznanski | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Jun 22, 2023 | Smolinski | 1–0 | Stachowiak | DMP II Liga Mecz 8 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Jun 21, 2023 | Stachowiak | 1–0 | Plywacz | DMP II Liga Mecz 8 | Ponziani Opening | |
| Jun 20, 2023 | Panasiuk | 0–1 | Stachowiak | DMP II Liga Mecz 12 | Pirc Defense: Classical Variation | |
| Jun 19, 2023 | Stachowiak | ½–½ | Pekala | DMP II Liga Mecz 8 | Sicilian Defense: Staunton-Cochrane Variation | |
| Jun 18, 2023 | Nowicki | 1–0 | Stachowiak | DMP II Liga Mecz 9 | Pirc Defense | |
| Jun 17, 2023 | Stachowiak | 1–0 | Szeszycki | DMP II Liga Mecz 10 | Sicilian Defense: Staunton-Cochrane Variation | |
| Jun 16, 2023 | Gawlik | 0–1 | Stachowiak | DMP II Liga Mecz 4 | Pirc Defense: Classical Variation, Schlechter Variation | |
| Jun 15, 2023 | Reterski | 0–1 | Stachowiak | DMP II Liga Mecz 9 | ? | |