| Jun 30, 2026 | Kopacki | 1–0 | Stepinski | XXII Baltic Pearl Chess Festival 2026 - Group A 1-20 | Caro-Kann Defense | |
| Jun 29, 2026 | Stepinski | 1–0 | Jozwik | XXII Baltic Pearl Chess Festival 2026 - Group A 1-20 | King's Indian Attack, with e6 | |
| Jun 28, 2026 | Mocny | 0–1 | Stepinski | XXII Baltic Pearl Chess Festival 2026 - Group A 1-20 | Queen's Pawn Game | |
| May 29, 2026 | Pycinski | ½–½ | Stepinski | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | Sicilian Defense: Najdorf Variation, Opocensky Variation, Modern Line | |
| May 28, 2026 | Zareba | ½–½ | Stepinski | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | Caro-Kann Defense: Two Knights Attack | |
| May 27, 2026 | Stepinski | 1–0 | Ciesla | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | Pirc Defense | |
| May 26, 2026 | Wilusz | 0–1 | Stepinski | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | Scandinavian Defense: Main Line, Leonhardt Gambit | |
| May 25, 2026 | Stepinski | ½–½ | Wolak | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | Sicilian Defense: Najdorf Variation | |
| May 24, 2026 | Stepinski | 1–0 | Krajdocha | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| May 23, 2026 | Maj | 1–0 | Stepinski | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | Rat Defense: Antal Defense | |
| May 22, 2026 | Stepinski | ½–½ | Klim | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | Zukertort Opening: Nimzo-Larsen Variation | |
| May 21, 2026 | Kraczek | 0–1 | Stepinski | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | Pirc Defense | |
| Mar 15, 2026 | Gawlik | ½–½ | Stepinski | Indywidualne Mistrzostwa Polski Juniorow 2026 - C18 | Modern Defense: Standard Defense | |
| Mar 14, 2026 | Stepinski | 0–1 | Ugorek | Indywidualne Mistrzostwa Polski Juniorow 2026 - C18 | Sicilian Defense: Najdorf Variation, Main Line | |
| Mar 13, 2026 | Skrzypinski | ½–½ | Stepinski | Indywidualne Mistrzostwa Polski Juniorow 2026 - C18 | Caro-Kann Defense | |
| Mar 12, 2026 | Stepinski | ½–½ | Zareba | Indywidualne Mistrzostwa Polski Juniorow 2026 - C18 | Philidor Defense: Exchange Variation | |
| Mar 11, 2026 | Dylong | 1–0 | Stepinski | Indywidualne Mistrzostwa Polski Juniorow 2026 - C18 | Pseudo Queen's Indian Defense | |
| Mar 10, 2026 | Stepinski | 1–0 | Rekuc | Indywidualne Mistrzostwa Polski Juniorow 2026 - C18 | Sicilian Defense: Najdorf Variation, English Attack | |
| Mar 10, 2026 | Klys | ½–½ | Stepinski | Indywidualne Mistrzostwa Polski Juniorow 2026 - C18 | Caro-Kann Defense: Exchange Variation | |
| Mar 9, 2026 | Stepinski | 1–0 | Wolak | Indywidualne Mistrzostwa Polski Juniorow 2026 - C18 | Ruy Lopez: Morphy Defense | |
| Mar 8, 2026 | Mulawa | 1–0 | Stepinski | Indywidualne Mistrzostwa Polski Juniorow 2026 - C18 | English Opening: King's English Variation, Two Knights Variation, Reversed Dragon | |
| Sep 20, 2025 | Zochowski | 0–1 | Stepinski | Szansa25 | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Sep 20, 2025 | Stepinski | 1–0 | Przybylski | Szansa25 | French Defense: Tarrasch Variation, Modern System | |
| Sep 20, 2025 | Psyk | 1–0 | Stepinski | Szansa25 | Caro-Kann Defense: Exchange Variation | |
| Sep 20, 2025 | Cukrowski | ½–½ | Stepinski | Szansa25 | English Opening: Anglo-Indian Defense, King's Indian Formation | |
| Sep 20, 2025 | Stepinski | 1–0 | Rajlich | Szansa25 | French Defense: Tarrasch Variation, Pawn Center Variation | |
| Sep 20, 2025 | Stachniak | 0–1 | Stepinski | Szansa25 | Caro-Kann Defense: Exchange Variation | |
| Sep 20, 2025 | Stepinski | * | Druzd | Szansa25 | ? | |
| Sep 20, 2025 | Etut | * | Stepinski | Szansa25 | ? | |
| Sep 20, 2025 | Stepinski | 0–1 | Baum | Szansa25 | Philidor Defense: Exchange Variation | |
| Sep 20, 2025 | Stanczak | * | Stepinski | Szansa25 | ? | |
| Sep 7, 2025 | Stepinski | ½–½ | Klim | 2 liga 2025 1 | Ruy Lopez: Cozio Defense | |
| Sep 6, 2025 | Pietrzak | ½–½ | Stepinski | 2 liga 2025 1 | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Sep 5, 2025 | Stepinski | 1–0 | Trochimczuk | 2 liga 2025 1 | Caro-Kann Defense: Exchange Variation | |
| Sep 4, 2025 | Szarwacki | 1–0 | Stepinski | 2 liga 2025 2 | Caro-Kann Defense: Tartakower Variation | |
| Sep 3, 2025 | Stepinski | 0–1 | Madrawski | 2 liga 2025 1 | Owen Defense | |
| Sep 2, 2025 | Ciesla | 0–1 | Stepinski | 2 liga 2025 2 | Sicilian Defense: Godiva Variation | |
| Sep 1, 2025 | Stepinski | ½–½ | Zajac | 2 liga 2025 2 | Sicilian Defense: Chekhover Variation | |
| Jul 8, 2025 | Rutkowski | ½–½ | Stepinski | XXI Batlic Pearl Ches Festival 2025 Group A | English Opening: Symmetrical Variation, Normal Variation | |
| Jul 7, 2025 | Stepinski | 1–0 | Duda | XXI Batlic Pearl Ches Festival 2025 Group A | Scandinavian Defense: Valencian Variation | |
| Jul 5, 2025 | Stepinski | 1–0 | Standowicz | XXI Batlic Pearl Ches Festival 2025 Group A | Sicilian Defense: Hyperaccelerated Fianchetto | |
| Jul 4, 2025 | Wilgosz | ½–½ | Stepinski | XXI Batlic Pearl Ches Festival 2025 Group A | Caro-Kann Defense: Two Knights Attack | |
| Jul 3, 2025 | Stepinski | ½–½ | Zareba | XXI Batlic Pearl Ches Festival 2025 Group A | Ruy Lopez: Morphy Defense, Mackenzie Variation | |
| Jul 2, 2025 | Pacuszka | ½–½ | Stepinski | XXI Batlic Pearl Ches Festival 2025 Group A | Queen's Pawn Game | |
| Jul 1, 2025 | Stepinski | 1–0 | Protas | XXI Batlic Pearl Ches Festival 2025 Group A | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Jun 30, 2025 | Luczak | 1–0 | Stepinski | XXI Batlic Pearl Ches Festival 2025 Group A | King's Indian Attack | |
| Jun 22, 2025 | Stepinski | 1–0 | Ugorek | DMPJ 1 liga 2025 | King's Pawn Game | |
| Jun 21, 2025 | Kubik | ½–½ | Stepinski | DMPJ 1 liga 2025 | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jun 20, 2025 | Musial | 1–0 | Stepinski | DMPJ 1 liga 2025 | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jun 19, 2025 | Stepinski | 1–0 | Dylong | DMPJ 1 liga 2025 | French Defense: Tarrasch Variation, Pawn Center Variation | |
| Jun 18, 2025 | Stepinski | ½–½ | Komendecki | DMPJ 1 liga 2025 | Sicilian Defense: Hyperaccelerated Fianchetto | |
| Jun 17, 2025 | Pycinski | ½–½ | Stepinski | DMPJ 1 liga 2025 | Rapport-Jobava System | |
| Jun 16, 2025 | Stepinski | ½–½ | Wandor | DMPJ 1 liga 2025 | Sicilian Defense: Chekhover Variation | |
| Jun 15, 2025 | Duda | 0–1 | Stepinski | DMPJ 1 liga 2025 | Caro-Kann Defense: Apocalypse Attack | |
| Jun 14, 2025 | Stepinski | ½–½ | Moczulski | DMPJ 1 liga 2025 | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Sep 22, 2024 | Stepinski | * | Sarnik | Szansa Rapid 2024 | ? | |
| Sep 22, 2024 | Stepinski | 1–0 | Przybylski | Szansa Rapid 2024 | French Defense: Tarrasch Variation, Guimard Defense, Main Line | |
| Sep 22, 2024 | Stepinski | 0–1 | Wikar | Szansa Rapid 2024 | Sicilian Defense: Kalashnikov Variation | |
| Sep 22, 2024 | Stepinski | * | Stochnialek | Szansa Rapid 2024 | ? | |
| Sep 22, 2024 | Heberla | 1–0 | Stepinski | Szansa Rapid 2024 | King's Indian Defense: Normal Variation, Rare Defenses | |
| Sep 22, 2024 | Sarnik | * | Stepinski | Szansa Rapid 2024 | ? | |
| Sep 22, 2024 | Kutowski | ½–½ | Stepinski | Szansa Rapid 2024 | Caro-Kann Defense: Tartakower Variation | |
| Sep 22, 2024 | Brzezina | 1–0 | Stepinski | Szansa Rapid 2024 | King's Indian Defense: Steiner Attack | |
| Sep 3, 2024 | Hiren K G | 0–1 | Stepinski | Festival | Nimzo-Larsen Attack: Modern Variation | |
| Sep 2, 2024 | Stepinski | 0–1 | Terkiewicz | Festival | Sicilian Defense: Moscow Variation | |
| Sep 1, 2024 | Hulka | ½–½ | Stepinski | Festival | Pirc Defense: Austrian Attack | |
| Aug 31, 2024 | Stepinski | ½–½ | Syrkiewicz | Festival | Sicilian Defense: Moscow Variation | |
| Aug 30, 2024 | Suska | ½–½ | Stepinski | Festival | Neo-Grünfeld Defense: Ultra-Delayed Exchange Variation | |
| Aug 29, 2024 | Stepinski | ½–½ | Piddubna | Festival | Ruy Lopez: Exchange Variation, Normal Variation | |
| Aug 28, 2024 | Wojdak | ½–½ | Stepinski | Festival | Pirc Defense | |
| Aug 27, 2024 | Stepinski | ½–½ | Kondys | Festival | French Defense: Tarrasch Variation, Morozevich Variation | |
| Aug 26, 2024 | Dubnevych | 1–0 | Stepinski | Festival | Pirc Defense | |
| Aug 25, 2024 | Jonsson | 0–1 | Stepinski | rubinstein24-a1 | Caro-Kann Defense: Advance Variation | |
| Aug 24, 2024 | Stepinski | ½–½ | Rosol | rubinstein24-a1 | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Aug 23, 2024 | Kaliszuk | ½–½ | Stepinski | rubinstein24-a1 | Pirc Defense | |
| Aug 22, 2024 | Eggink | ½–½ | Stepinski | rubinstein24-a1 | Rat Defense: English Rat | |
| Aug 21, 2024 | Stepinski | 1–0 | Lasok | rubinstein24-a1 | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| Aug 20, 2024 | Perucki | ½–½ | Stepinski | rubinstein24-a1 | Caro-Kann Defense: Two Knights Attack | |
| Aug 19, 2024 | Stepinski | ½–½ | Serewa | rubinstein24-a1 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Aug 18, 2024 | Siekierski | ½–½ | Stepinski | rubinstein24-a1 | Queen's Pawn Game | |
| Aug 17, 2024 | Stepinski | 0–1 | Kazakouski | 60. Jubileuszowy Miedzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN A | Caro-Kann Defense: Endgame Offer | |
| Aug 14, 2024 | Diachek | 0–1 | Stepinski | anderssenA2024 | Caro-Kann Defense: Tartakower Variation | |
| Aug 13, 2024 | Stepinski | ½–½ | Kazmierowski | anderssenA2024 | Ruy Lopez: Exchange Variation, Alapin Gambit | |
| Aug 12, 2024 | Sprzeczka | ½–½ | Stepinski | anderssenA2024 | Pirc Defense | |
| Aug 12, 2024 | Dahale | 1–0 | Stepinski | anderssenA2024 | Pirc Defense: Classical Variation, Schlechter Variation | |
| Aug 11, 2024 | Stepinski | 0–1 | Gibala | anderssenA2024 | Sicilian Defense: Moscow Variation | |
| Aug 10, 2024 | Stepinski | 1–0 | Kocak | anderssenA2024 | Sicilian Defense: French Variation, Westerinen Attack | |
| Aug 9, 2024 | Stepinski | ½–½ | Aishwin Daniel | anderssenA2024 | French Defense: Tarrasch Variation, Chistyakov Defense | |
| Aug 9, 2024 | Bargsten | ½–½ | Stepinski | anderssenA2024 | Pirc Defense | |
| Aug 8, 2024 | Terkiewicz | ½–½ | Stepinski | anderssenA2024 | Queen's Pawn Game | |
| Aug 3, 2024 | Skrzypinski | 1–0 | Stepinski | Mistrzostwa Polski Juniorów - C16 RAPID | Philidor Defense: Lion Variation | |
| Oct 31, 2023 | Stepinski | 1–0 | Kondys | IMP Mezczyzn do lat 20 | Philidor Defense: Hanham Variation | |
| Oct 30, 2023 | Ugorek | 1–0 | Stepinski | IMP Mezczyzn do lat 20 | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |
| Oct 29, 2023 | Stepinski | 0–1 | Zielonka | IMP Mezczyzn do lat 20 | Ruy Lopez: Exchange Variation, Alapin Gambit | |
| Oct 28, 2023 | Stachowicz | ½–½ | Stepinski | IMP Mezczyzn do lat 20 | Nimzo-Indian Defense: Classical Variation, Berlin Variation | |
| Oct 27, 2023 | Stepinski | 1–0 | Lis | IMP Mezczyzn do lat 20 | Sicilian Defense: Kan Variation, Wing Attack, Fianchetto Variation | |
| Oct 26, 2023 | Karut | 1–0 | Stepinski | IMP Mezczyzn do lat 20 | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Oct 25, 2023 | Stepinski | 1–0 | Boryna | IMP Mezczyzn do lat 20 | French Defense: Tarrasch Variation, Chistyakov Defense | |
| Oct 25, 2023 | Turski | 1–0 | Stepinski | IMP Mezczyzn do lat 20 | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Oct 24, 2023 | Stepinski | ½–½ | Sowinski | IMP Mezczyzn do lat 20 | Caro-Kann Defense: Endgame Offer | |