| Jun 3, 2026 | Widelski | 0–1 | Zajac | Zenera_Mistrzostwa_Polski_Amatorow_w_Szachach_Szybkich_do_2200_FIDE | French Defense: Classical Variation | |
| Apr 19, 2026 | Wilczek | 1–0 | Widelski | new tournament description | Ruy Lopez: Morphy Defense | |
| Apr 18, 2026 | Widelski | ½–½ | Guzik | new tournament description | Scotch Game: Potter Variation | |
| Apr 17, 2026 | Widelski | ½–½ | Gabka | new tournament description | French Defense: McCutcheon Variation, Exchange Variation | |
| Apr 16, 2026 | Stefanik | ½–½ | Widelski | new tournament description | King's Indian Attack: Symmetrical Defense | |
| Apr 14, 2026 | Betkowski | 1–0 | Widelski | new tournament description | Rapport-Jobava System | |
| Apr 14, 2026 | Widelski | 0–1 | Hackner | new tournament description | French Defense: Classical Variation | |
| Apr 13, 2026 | Kaliszuk | ½–½ | Widelski | new tournament description | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Apr 12, 2026 | Widelski | 1–0 | Sycz | new tournament description | Owen Defense | |
| Apr 11, 2026 | Flis | 0–1 | Widelski | new tournament description | ? | |
| Jan 11, 2026 | Butkiewicz | 0–1 | Widelski | Round 9: Butkiewicz, Hanna - Widelski, Kacper | Sicilian Defense: Lasker-Pelikan Variation, Schlechter Variation | |
| Jan 11, 2026 | Widelski | 0–1 | Szczotka | Round 8: Widelski, Kacper - Szczotka, Klara | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Jan 11, 2026 | Rekuc | 1–0 | Widelski | Round 7: Rekuc, Patryk - Widelski, Kacper | Bogo-Indian Defense: Grünfeld Variation | |
| Jan 11, 2026 | Wojciech Bukowski | 0–1 | Widelski | Round 6: Wojciech Bukowski - Widelski, Kacper | Indian Defense | |
| Jan 11, 2026 | Widelski | 1–0 | Wasilewicz | Round 5: Widelski, Kacper - Wasilewicz, Wawrzyniec | Sicilian Defense: Moscow Variation, Main Line | |
| Jan 11, 2026 | Jasiulewicz | 1–0 | Widelski | Round 4: Jasiulewicz, Dawid - Widelski, Kacper | King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Advance Line | |
| Jan 11, 2026 | Widelski | ½–½ | Jedynak | Round 3: Widelski, Kacper - Jedynak, Radoslaw | French Defense: Winawer Variation, Delayed Exchange Variation | |
| Jan 11, 2026 | Konstanczuk | 0–1 | Widelski | Round 2: Konstanczuk, Jaroslaw - Widelski, Kacper | Bogo-Indian Defense: Nimzowitsch Variation | |
| Jan 11, 2026 | Widelski | 1–0 | Klimuszko | Round 1: Widelski, Kacper - Klimuszko, Maciej | Sicilian Defense: Taimanov Variation | |
| Dec 30, 2025 | Skiba | ½–½ | Widelski | Runda 9: Skiba, Igor - Widelski, Kacper | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| Dec 30, 2025 | Widelski | ½–½ | Krajdocha | Runda 8: Widelski, Kacper - Krajdocha, Konrad | Caro-Kann Defense: Exchange Variation | |
| Dec 30, 2025 | Rajlich | 1–0 | Widelski | Runda 7: Rajlich, Vaclav - Widelski, Kacper | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| Dec 29, 2025 | Widelski | 1–0 | Ciszewski | Runda 6: Widelski, Kacper - Ciszewski, Krzysztof | Sicilian Defense: Moscow Variation | |
| Dec 29, 2025 | Daniel | 1–0 | Widelski | Runda 5: Daniel, Damian - Widelski, Kacper | Nimzo-Indian Defense: Classical Variation | |
| Dec 28, 2025 | Widelski | 1–0 | Rabiej | Runda 4: Widelski, Kacper - Rabiej, Mateusz | Sicilian Defense: Four Knights Variation | |
| Dec 27, 2025 | Saliuk | 0–1 | Widelski | Runda 3: Saliuk, Maryia - Widelski, Kacper | Bird Opening | |
| Dec 27, 2025 | Widelski | 0–1 | Reshetniak | Runda 2: Widelski, Kacper - Reshetniak, Vitaliy | Sicilian Defense: Kan Variation, Wing Attack | |
| Dec 17, 2022 | Widelski | 0–1 | Zimina | Katowice | Slav Defense: Chebanenko Variation | |
| Dec 16, 2022 | Widelski | 0–1 | Blohberger | Katowice | English Opening: King's English Variation | |
| Dec 16, 2022 | Blohberger | 1–0 | Widelski | Katowice | King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Exchange Line | |
| Dec 19, 2021 | Widelski | 0–1 | Flasinski | ME rapid 2021 | Caro-Kann Defense: Panov Attack, Main Line | |
| Dec 18, 2021 | Baum | 1–0 | Widelski | ME rapid 2021 | Indian Defense: Budapest Defense | |
| Dec 18, 2021 | Przybylski | 1–0 | Widelski | ME rapid 2021 | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Breyer Variation | |
| Dec 17, 2021 | Widelski | 0–1 | Szwed | European Blitz Chess Championship 2021 | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |