| Jan 2, 2026 | Kruse | 1–0 | Kozlowski | XXXVI Miedzynarodowy Festiwal Szachowy CRACOVIA 2025 Grupa A | Semi-Slav Defense: Noteboom Variation | |
| Dec 30, 2025 | Kozlowski | 0–1 | Costache | XXXVI Miedzynarodowy Festiwal Szachowy CRACOVIA 2025 Grupa A | Bogo-Indian Defense: Retreat Variation | |
| Dec 29, 2025 | Pycinski | 1–0 | Kozlowski | XXXVI Miedzynarodowy Festiwal Szachowy CRACOVIA 2025 Grupa A | French Defense: Advance Variation, Milner-Barry Gambit, Main Line | |
| Dec 28, 2025 | Kozlowski | 0–1 | Kovalskyi | Open A | King's Indian Attack: Sicilian Variation | |
| Dec 27, 2025 | Stefanou | ½–½ | Kozlowski | Open A | Queen's Pawn Game: Zukertort Variation | |
| Sep 11, 2025 | Uhryn | ½–½ | Kozlowski | I Liga 6-10 | French Defense: Two Knights Variation | |
| Sep 10, 2025 | Kozlowski | ½–½ | Dziewonski | I Liga 1-5 | Queen's Pawn Game: Zukertort Variation | |
| Sep 9, 2025 | Dudzinski | ½–½ | Kozlowski | I Liga 1-5 | French Defense: King's Indian Attack | |
| Sep 8, 2025 | Kozlowski | ½–½ | Piotrowski | I Liga 1-5 | Zukertort Opening: Sicilian Invitation | |
| Sep 7, 2025 | Dzhuguryan | 0–1 | Kozlowski | I Liga 1-5 | Queen's Pawn Game: Zukertort Variation | |
| Sep 6, 2025 | Kozlowski | ½–½ | Suliborski | I Liga 1-5 | Queen's Pawn Game: Zukertort Variation | |
| Jun 2, 2024 | Kozlowski | 0–1 | Radzimski | GRA | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Jun 1, 2024 | Muller | ½–½ | Kozlowski | GRA | Queen's Gambit Declined | |
| May 31, 2024 | Kozlowski | 0–1 | Kasperek | GRA | English Opening: Symmetrical Variation | |
| May 31, 2024 | Kozlowski | ½–½ | Kartsev | GRA | Semi-Slav Defense | |
| May 30, 2024 | Zalega | ½–½ | Kozlowski | GRA | Caro-Kann Defense: Tartakower Variation | |
| May 5, 2024 | Jedlicka | ½–½ | Oleg Romanishin | Ostravsky konik 2024 Open A | Catalan Opening | |
| May 4, 2024 | Oleg Romanishin | 0–1 | Chkhaidze | Ostravsky konik 2024 Open A | Catalan Opening: Closed | |
| May 3, 2024 | Zdybel | ½–½ | Oleg Romanishin | Ostravsky konik 2024 Open A | Ruy Lopez: Closed, Martinez Variation | |
| May 2, 2024 | Oleg Romanishin | 1–0 | Pancewicz | Ostravsky konik 2024 Open A | King's Indian Attack: Spassky Variation | |
| May 1, 2024 | Kondys | ½–½ | Oleg Romanishin | Ostravsky konik 2024 Open A | Pterodactyl Defense: Western, Pterodactyl | |
| Apr 28, 2024 | Oleg Romanishin | ½–½ | Tymrakiewicz | Ostravsky konik 2024 Open A | Indian Defense: Wade-Tartakower Defense | |
| Apr 27, 2024 | Szczotka | 0–1 | Oleg Romanishin | Ostravsky konik 2024 Open A | Sicilian Defense: Taimanov Variation | |
| Apr 27, 2024 | Kozlowski | 0–1 | Decuigniere | Ostravsky konik 2024 Open A | Grünfeld Defense: Three Knights Variation, Burille Variation | |
| — | Kozlowski | ½–½ | Chylewski | wroclaw OPEN A | Queen's Pawn Game: Symmetrical Variation | |
| — | Kozlowski | ½–½ | Terkiewicz | wroclaw OPEN A | King's Indian Attack | |
| — | Kozlowski | 1–0 | Zombirt | wroclaw OPEN A | Indian Defense: Tartakower Attack | |
| — | Nagly | ½–½ | Kozlowski | wroclaw OPEN A | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| — | Mondrzycki | 1–0 | Kozlowski | wroclaw OPEN A | King's Indian Attack: Double Fianchetto | |
| — | Rosa | 1–0 | Kozlowski | wroclaw OPEN A | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| — | Hoffmann | 1–0 | Kozlowski | wroclaw OPEN A | King's Pawn Game | |
