| Mar 14, 2026 | Lonski | 0–1 | Gawlik | Indywidualne Mistrzostwa Polski Juniorow 2026 - C18 | Sicilian Defense: French Variation | |
| Mar 13, 2026 | Domanski | 0–1 | Lonski | Indywidualne Mistrzostwa Polski Juniorow 2026 - C18 | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Mar 12, 2026 | Lonski | 0–1 | Jozwiak | Indywidualne Mistrzostwa Polski Juniorow 2026 - C18 | Sicilian Defense: Alapin Variation | |
| Mar 11, 2026 | Zareba | 1–0 | Lonski | Indywidualne Mistrzostwa Polski Juniorow 2026 - C18 | Sicilian Defense: Hyperaccelerated Dragon | |
| Mar 10, 2026 | Lonski | 0–1 | Krasniewski | Indywidualne Mistrzostwa Polski Juniorow 2026 - C18 | Sicilian Defense: Old Sicilian | |
| Mar 10, 2026 | Lonski | ½–½ | Klim | Indywidualne Mistrzostwa Polski Juniorow 2026 - C18 | Rapport-Jobava System | |
| Mar 9, 2026 | Dobosiewicz | 0–1 | Lonski | Indywidualne Mistrzostwa Polski Juniorow 2026 - C18 | Italian Game: Giuoco Pianissimo, Normal | |
| Mar 8, 2026 | Rekuc | 1–0 | Lonski | Indywidualne Mistrzostwa Polski Juniorow 2026 - C18 | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Sep 14, 2025 | Lonski | 1–0 | Sendera | I Liga 6-10 | Sicilian Defense: O'Kelly Variation, Maróczy Bind, Geller Line | |
| Sep 13, 2025 | Leszczewicz | ½–½ | Lonski | I Liga 6-10 | Queen's Pawn Game: London System, with e6 | |
| Sep 12, 2025 | Slezinski | 1–0 | Lonski | I Liga 6-10 | Sicilian Defense: Old Sicilian | |
| Sep 11, 2025 | Lonski | ½–½ | Chiszko | I Liga 1-5 | French Defense: King's Indian Attack | |
| Sep 10, 2025 | Lonski | 1–0 | Uhryn | I Liga 6-10 | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Sep 9, 2025 | Stoppel | 0–1 | Lonski | I Liga 6-10 | Sicilian Defense: Closed, Chameleon Variation | |
| Sep 8, 2025 | Lonski | ½–½ | Kucharski | I Liga 6-10 | Caro-Kann Defense: Panov Attack, Modern Defense | |
| Sep 7, 2025 | Skrzypczak | 0–1 | Lonski | I Liga 6-10 | French Defense: Tarrasch Variation, Chistyakov Defense | |
| Sep 6, 2025 | Lonski | 0–1 | Pniaczek | I Liga 1-5 | Ruy Lopez: Exchange Variation, Normal Variation | |
| Jul 7, 2025 | Lonski | 1–0 | Standowicz | XXI Batlic Pearl Ches Festival 2025 Group A | Sicilian Defense: Hyperaccelerated Fianchetto | |
| Jul 6, 2025 | Moczulski | 1–0 | Lonski | XXI Batlic Pearl Ches Festival 2025 Group A | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jul 5, 2025 | Lonski | 1–0 | Luba | XXI Batlic Pearl Ches Festival 2025 Group A | French Defense: King's Indian Attack | |
| Jul 4, 2025 | Koralczyk | 0–1 | Lonski | XXI Batlic Pearl Ches Festival 2025 Group A | Sicilian Defense | |
| Jul 3, 2025 | Lonski | 1–0 | Jozwik | XXI Batlic Pearl Ches Festival 2025 Group A | Sicilian Defense: Dragon Variation | |
| Jul 2, 2025 | Madejski | ½–½ | Lonski | XXI Batlic Pearl Ches Festival 2025 Group A | Queen's Gambit Declined: Exchange Variation, Reshevsky Variation | |
| Jul 1, 2025 | Lonski | 0–1 | Trzeciak | XXI Batlic Pearl Ches Festival 2025 Group A | French Defense: King's Indian Attack | |
| Jun 30, 2025 | Luczak | 1–0 | Lonski | XXI Batlic Pearl Ches Festival 2025 Group A | Rapport-Jobava System | |
| Sep 8, 2024 | Lonski | 1–0 | Czachor | DMP II LIga 2024 1 | Sicilian Defense: Modern Variations | |
| Sep 7, 2024 | Frac | ½–½ | Lonski | DMP II LIga 2024 1 | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Sep 6, 2024 | Lonski | 1–0 | Dzhuguryan | DMP II LIga 2024 1 | Caro-Kann Defense: Maróczy Variation | |
| Sep 5, 2024 | Szydelko | ½–½ | Lonski | DMP II LIga 2024 1 | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Sep 4, 2024 | Lonski | ½–½ | Matela | DMP II LIga 2024 1 | French Defense: Schlechter Variation | |
| Sep 3, 2024 | Jankowiak | 1–0 | Lonski | DMP II LIga 2024 1 | Petrov's Defense: Nimzowitsch Attack | |
| Sep 2, 2024 | Lonski | 1–0 | Polak | DMP II LIga 2024 1 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Sep 1, 2024 | Woznicki | 0–1 | Lonski | DMP II LIga 2024 1 | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| Aug 31, 2024 | Lonski | 1–0 | Soliwoda | DMP II LIga 2024 1 | Indian Defense: London System | |
| Aug 3, 2024 | Lonski | 1–0 | Kowalski | Mistrzostwa Polski Juniorów - C16 RAPID | Sicilian Defense: Staunton-Cochrane Variation | |
| Aug 3, 2024 | Lonski | 0–1 | Ratajczak | Mistrzostwa Polski Juniorów - C16 RAPID | Sicilian Defense: Staunton-Cochrane Variation | |
| Aug 3, 2024 | Grot | 1–0 | Lonski | Mistrzostwa Polski Juniorów - C16 RAPID | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation | |
| Aug 2, 2024 | Lonski | ½–½ | Zareba | Mistrzostwa Polski Juniorów - C16 RAPID | Ruy Lopez: Exchange Variation, Gligoric Variation | |
| Aug 2, 2024 | Ugorek | ½–½ | Lonski | Mistrzostwa Polski Juniorów - C16 RAPID | Semi-Slav Defense: Accelerated Move Order | |
| Jun 2, 2024 | Smieszek | 1–0 | Lonski | Round 5: Smieszek, Wojciech - Lonski, Aleksander | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| Jun 2, 2024 | Lonski | 0–1 | Strzalkowski | Round 4: Lonski, Aleksander - Strzalkowski, Damian | Sicilian Defense: Staunton-Cochrane Variation | |
| Jun 1, 2024 | Bochniak | 0–1 | Lonski | Round 3: Bochniak, Franciszek - Lonski, Aleksander | Queen's Pawn Game: London System | |
| Jun 1, 2024 | Lonski | ½–½ | Zeissel | Round 2: Lonski, Aleksander - Zeissel, Andrzej | Sicilian Defense: Staunton-Cochrane Variation | |
| Jun 1, 2024 | Walat | 0–1 | Lonski | Round 1: Walat, Miroslaw - Lonski, Aleksander | Sicilian Defense: Staunton-Cochrane Variation | |
| May 31, 2024 | Zeissel | 0–1 | Lonski | Round 2: Zeissel, Andrzej - Lonski, Aleksander | Sicilian Defense: Accelerated Dragon, Modern Variation | |
| May 31, 2024 | Lonski | ½–½ | Zeissel | Round 1: Lonski, Aleksander - Zeissel, Andrzej | Sicilian Defense: Staunton-Cochrane Variation | |
| May 4, 2024 | Lonski | 0–1 | Jaroszewski | Round 6: Lonski, Aleksander - Jaroszewski, Mateusz | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| May 4, 2024 | Para | ½–½ | Lonski | Round 5: Para, Tomasz - Lonski, Aleksander | Queen's Pawn Game: Accelerated London System | |
| May 3, 2024 | Lonski | 0–1 | Kucharski | Round 4: Lonski, Aleksander - Kucharski, Krzysztof | French Defense: Schlechter Variation | |
| May 2, 2024 | Zeissel | ½–½ | Lonski | Round 3: Zeissel, Andrzej - Lonski, Aleksander | French Defense: Steinitz Variation, Boleslavsky Variation | |
| May 2, 2024 | Lonski | 1–0 | Bury | Round 2: Lonski, Aleksander - Bury, Maksymilian | Sicilian Defense: Taimanov Variation | |
| May 1, 2024 | Smolinska | 0–1 | Lonski | Round 1: Smolinska, Jagna - Lonski, Aleksander | Semi-Slav Defense: Anti-Moscow Gambit | |
| Dec 17, 2022 | Lonski | 0–1 | Saraci | European Rapid Chess Championship 2022 | Sicilian Defense: Staunton-Cochrane Variation | |
| Dec 18, 2021 | Lonski | 0–1 | Bjerre | ME rapid 2021 | Sicilian Defense: Staunton-Cochrane Variation | |
| — | Lonski | 0–1 | Klimkowski | C18 | Sicilian Defense: Modern Variations | |
| — | Malek | 1–0 | Lonski | C18 | Catalan Opening: Closed | |
| — | Klim | ½–½ | Lonski | C18b | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| — | Derejczyk | ½–½ | Lonski | C18b | English Opening: Symmetrical Variation | |
