| Jun 30, 2026 | Padalka | 0–1 | Mroczkowski | Najdorf Memorial | Semi-Slav Defense: Meran Variation, Pirc Variation | |
| Jun 29, 2026 | Mroczkowski | ½–½ | Futyma | Najdorf Memorial | Caro-Kann Defense: Advance Variation, Bronstein Variation | |
| Jun 28, 2026 | Wierzbicki | 1–0 | Mroczkowski | Najdorf Memorial | Caro-Kann Defense: Panov Attack | |
| Jun 27, 2026 | Kowalski | ½–½ | Mroczkowski | Macieja Memorial | Nimzo-Larsen Attack: Classical Variation | |
| Jun 27, 2026 | Sriram | 1–0 | Mroczkowski | Macieja Memorial | Slav Defense: Breyer Variation | |
| Jun 27, 2026 | Mroczkowski | 1–0 | Rekuc | Macieja Memorial | Sicilian Defense: Kalashnikov Variation | |
| Jun 27, 2026 | Leniart | 0–1 | Mroczkowski | Macieja Memorial | Italian Game: Classical Variation, Greco Gambit, Modern Line | |
| Jun 27, 2026 | Mroczkowski | 0–1 | Janeczko | Macieja Memorial | Alekhine Defense: Two Pawns Attack, Tate Variation | |
| Jun 27, 2026 | Mroczkowski | 0–1 | Nawalaniec | Macieja Memorial | Sicilian Defense: Sozin Attack, Flank Variation | |
| Jun 27, 2026 | Sliwicka | 0–1 | Mroczkowski | Macieja Memorial | Ruy Lopez: Schliemann Defense | |
| Jun 27, 2026 | Pultinevicius | 1–0 | Mroczkowski | Macieja Memorial | ? | |
| Jun 27, 2026 | Mroczkowski | ½–½ | Rudnev | Najdorf Memorial | Caro-Kann Defense: Panov Attack, Modern Defense, Mieses Line | |
| Jun 6, 2026 | Malicka | 1–0 | Mroczkowski | Zenera_Mistrzostwa_Polski_Amatorow_w_Szachach_Szybkich_do_2200_FIDE | Ruy Lopez: Morphy Defense | |
| Jun 3, 2026 | Kaliszuk | 1–0 | Mroczkowski | Zenera_Mistrzostwa_Polski_Amatorow_w_Szachach_Szybkich_do_2200_FIDE | Italian Game: Classical Variation, Greco Gambit, Dubov Italian | |
| Jun 3, 2026 | Mroczkowski | 1–0 | Padalka | Zenera_Mistrzostwa_Polski_Amatorow_w_Szachach_Szybkich_do_2200_FIDE | Caro-Kann Defense: Panov Attack | |
| Jun 3, 2026 | Mroczkowski | 1–0 | Farhadli | Zenera_Mistrzostwa_Polski_Amatorow_w_Szachach_Szybkich_do_2200_FIDE | French Defense: Wing Gambit | |
| Jun 3, 2026 | Zajac | 0–1 | Mroczkowski | Zenera_Mistrzostwa_Polski_Amatorow_w_Szachach_Szybkich_do_2200_FIDE | Réti Opening: Anglo-Slav Variation, Gurevich System | |
| Mar 15, 2026 | Klim | 1–0 | Mroczkowski | Indywidualne Mistrzostwa Polski Juniorow 2026 - C16 | King's Pawn Game | |
| Mar 14, 2026 | Mroczkowski | 0–1 | Oles | Indywidualne Mistrzostwa Polski Juniorow 2026 - C16 | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| Mar 13, 2026 | Lechowski | 1–0 | Mroczkowski | Indywidualne Mistrzostwa Polski Juniorow 2026 - C16 | Semi-Slav Defense | |
| Mar 12, 2026 | Mroczkowski | ½–½ | Kraczek | Indywidualne Mistrzostwa Polski Juniorow 2026 - C16 | Sicilian Defense: Kalashnikov Variation | |
| Mar 11, 2026 | Mroczkowski | 1–0 | Kawulski-Chodkiewicz | Indywidualne Mistrzostwa Polski Juniorow 2026 - C16 | French Defense: Tarrasch Variation, Morozevich Variation | |
| Mar 10, 2026 | Korczakowski | 0–1 | Mroczkowski | Indywidualne Mistrzostwa Polski Juniorow 2026 - C16 | Ruy Lopez: Exchange Variation, Normal Variation | |
| Mar 10, 2026 | Kania | 1–0 | Mroczkowski | Indywidualne Mistrzostwa Polski Juniorow 2026 - C16 | Italian Game: Giuoco Pianissimo, Normal | |
| Mar 9, 2026 | Mroczkowski | 1–0 | Szudrowicz | Indywidualne Mistrzostwa Polski Juniorow 2026 - C16 | Pirc Defense: Austrian Attack, Weiss Variation | |
| Mar 8, 2026 | Lecki | 1–0 | Mroczkowski | Indywidualne Mistrzostwa Polski Juniorow 2026 - C16 | Italian Game: Evans Gambit, Leonhardt Countergambit | |
| Sep 20, 2025 | Mroczkowski | * | Leskiewicz | Szansa25 | ? | |
| Sep 20, 2025 | Wieckowski | * | Mroczkowski | Szansa25 | ? | |
| Sep 20, 2025 | Mroczkowski | * | Altmajer | Szansa25 | ? | |
| Sep 20, 2025 | Podgorski | * | Mroczkowski | Szansa25 | ? | |
| Sep 20, 2025 | Mroczkowski | * | Casanova | Szansa25 | ? | |
| Sep 20, 2025 | Laubsztejn | * | Mroczkowski | Szansa25 | ? | |
| Sep 20, 2025 | Mroczkowski | * | Kubicka | Szansa25 | ? | |
| Sep 20, 2025 | Tsiapko | * | Mroczkowski | Szansa25 | ? | |
| Sep 20, 2025 | Mroczkowski | * | Kowalski | Szansa25 | ? | |
| Sep 20, 2025 | Lipinski | * | Mroczkowski | Szansa25 | ? | |
| Jun 22, 2025 | Obrycki | 1–0 | Mroczkowski | DMPJ Ekstraliga 2025 | English Opening: Caro-Kann Defensive System | |
| Jun 21, 2025 | Mroczkowski | ½–½ | Kopacki | DMPJ Ekstraliga 2025 | Sicilian Defense: Richter-Rauzer Variation | |
| Jun 20, 2025 | Mroczkowski | 0–1 | Ochedzan | DMPJ Ekstraliga 2025 | Sicilian Defense: Moscow Variation | |
| Jun 19, 2025 | Wons | 0–1 | Mroczkowski | DMPJ Ekstraliga 2025 | Slav Defense: Exchange Variation | |
| Jun 18, 2025 | Mroczkowski | 1–0 | Karaszewski | DMPJ Ekstraliga 2025 | French Defense: Paulsen Variation | |
| Jun 17, 2025 | Korszanski | 0–1 | Mroczkowski | DMPJ Ekstraliga 2025 | Center Game: Paulsen Attack Variation | |
| Jun 16, 2025 | Mroczkowski | 0–1 | Ladon | DMPJ Ekstraliga 2025 | Sicilian Defense: Dragon Variation | |
| Jun 15, 2025 | Ejsymont | ½–½ | Mroczkowski | DMPJ Ekstraliga 2025 | Ruy Lopez: Morphy Defense | |
| Jun 14, 2025 | Mroczkowski | 1–0 | Dobrowolski | DMPJ Ekstraliga 2025 | Sicilian Defense: Kalashnikov Variation | |
| Sep 22, 2024 | Mroczkowski | * | Zysko | Szansa Rapid 2024 | ? | |
| Sep 22, 2024 | Mroczkowski | 0–1 | Bogdanov | Szansa Rapid 2024 | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| Sep 22, 2024 | Mroczkowski | * | Fistek | Szansa Rapid 2024 | ? | |
| Sep 22, 2024 | Mroczkowski | * | Wieczorek | Szansa Rapid 2024 | ? | |
| Sep 22, 2024 | Putlak | 0–1 | Mroczkowski | Szansa Rapid 2024 | Slav Defense: Quiet Variation | |
| Sep 22, 2024 | Kovalchuk | * | Mroczkowski | Szansa Rapid 2024 | ? | |
| Sep 22, 2024 | Siekanska | * | Mroczkowski | Szansa Rapid 2024 | ? | |
| Sep 22, 2024 | Lewandrowski | * | Mroczkowski | Szansa Rapid 2024 | ? | |
| Aug 2, 2024 | Niezhentsev | 1–0 | Mroczkowski | Rapid C14 | Scotch Game: Potter Variation | |
| Jul 8, 2024 | Mroczkowski | 0–1 | Fridman | Macieja Memorial | Caro-Kann Defense: Panov Attack, Modern Defense | |
| Jul 8, 2024 | Mroczkowski | ½–½ | Zawadzka | Macieja Memorial | Sicilian Defense: Sozin Attack, Flank Variation | |
| Jul 8, 2024 | Smetek | 1–0 | Mroczkowski | Macieja Memorial | Semi-Slav Defense | |
| Jul 8, 2024 | Zurkowski | 1–0 | Mroczkowski | Macieja Memorial | Nimzo-Larsen Attack: Classical Variation | |
| — | Mroczkowski | ½–½ | Chiszko | Mistrzostwa Polski Juniorów w szachach b?yskawicznych C14 | Caro-Kann Defense: Panov Attack, Modern Defense, Mieses Line | |
| — | Mroczkowski | 0–1 | Kiszkiel | Mistrzostwa Polski Juniorów w szachach b?yskawicznych C14 | Pirc Defense: Classical Variation, Schlechter Variation | |
| — | Mroczkowski | 1–0 | Jasiulewicz | Mistrzostwa Polski Juniorów w szachach b?yskawicznych C14 | French Defense: Wing Gambit | |
| — | Mroczkowski | 0–1 | Perucki | Mistrzostwa Polski Juniorów w szachach b?yskawicznych C14 | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| — | Mroczkowski | 1–0 | Wasiluk | Mistrzostwa Polski Juniorów w szachach b?yskawicznych C14 | Sicilian Defense: Kan Variation, Modern Variation | |
| — | Pycka | * | Mroczkowski | Szansa Rapid 2024 | ? | |
| — | Seemann | 1–0 | Mroczkowski | Mistrzostwa Polski Juniorów w szachach szybkich C14 | Bishop's Opening: Vienna Hybrid | |
| — | Dobrowolski | 1–0 | Mroczkowski | Mistrzostwa Polski Juniorów w szachach szybkich C14 | Italian Game: Classical Variation, Giuoco Pianissimo, with a6 | |
| — | Smolinski | 0–1 | Mroczkowski | Mistrzostwa Polski Juniorów w szachach b?yskawicznych C14 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| — | Mielcuch | 0–1 | Mroczkowski | Mistrzostwa Polski Juniorów w szachach b?yskawicznych C14 | English Opening: Anglo-Indian Defense, Slav Formation | |
| — | Rozanski | 1–0 | Mroczkowski | Mistrzostwa Polski Juniorów w szachach b?yskawicznych C14 | English Opening: Caro-Kann Defensive System | |
