| Apr 19, 2026 | Ilgililer | 1–0 | Zielinski | EICC 2026 | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Apr 18, 2026 | Zielinski | 0–1 | Triger | EICC 2026 | Slav Defense: Exchange Variation, Boor Attack | |
| Apr 16, 2026 | Radzikowski | 0–1 | Zielinski | EICC 2026 | Caro-Kann Defense: Exchange Variation | |
| Apr 15, 2026 | Zielinski | 0–1 | Podgorski | EICC 2026 | Nimzo-Indian Defense | |
| Apr 14, 2026 | Bognar | ½–½ | Zielinski | EICC 2026 | Semi-Slav Defense: Quiet Variation | |
| Apr 13, 2026 | Zielinski | 1–0 | Sopel | EICC 2026 | Queen's Pawn Game: Modern Defense | |
| Apr 12, 2026 | Gikas | 1–0 | Zielinski | EICC 2026 | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Apr 10, 2026 | Zielinski | 1–0 | Guzik | EICC 2026 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Apr 10, 2026 | Szente Varga | 1–0 | Zielinski | EICC 2026 | Sicilian Defense: Closed, Traditional | |
| Apr 8, 2026 | Senel | 1–0 | Zielinski | EICC 2026 | Semi-Slav Defense: Stoltz Variation | |
| Apr 7, 2026 | Zielinski | 0–1 | Dubnevych | EICC 2026 | Queen's Gambit Accepted: Classical Defense, Normal Line | |
| Apr 2, 2026 | Zielinski | ½–½ | Hladki | X Open Semana Santa 2026 - Grupo B | Grünfeld Defense: Three Knights Variation | |
| Feb 21, 2025 | Zielinski | ½–½ | Cooper | Round 6: Zielinski, Marcin - Cooper, Malcolm H | Semi-Slav Defense | |
| Feb 20, 2025 | Zielinski | 0–1 | Hoekstra | Round 4: Zielinski, Marcin - Hoekstra, Max | Benko Gambit | |
| Feb 20, 2025 | Sengupta | ½–½ | Zielinski | Round 5: Sengupta, Sohana - Zielinski, Marcin | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Feb 19, 2025 | AD (Tony) Williams | 0–1 | Zielinski | Round 3: AD (Tony) Williams - Zielinski, Marcin | Queen's Pawn Game | |
| Feb 18, 2025 | Zielinski | 1–0 | Maki-Uuro | Round 2: Zielinski, Marcin - Maki-Uuro, Tuure | Slav Defense | |
| Feb 18, 2025 | Anuhas Gamage | 1–0 | Zielinski | Round 1: Anuhas Gamage - Zielinski, Marcin | Slav Defense: Modern Line | |
| May 30, 2024 | Zielinski | ½–½ | Shehzad | Norway Chess Open 2024 | Queen's Gambit Declined: Charousek Variation | |
| May 29, 2024 | Oddmund Sande | 0–1 | Zielinski | Norway Chess Open 2024 | Dutch Defense: Staunton Gambit, Lasker Variation | |
| Oct 26, 2024 | Escalona Landi | 1–0 | Zielinski | II Torneio Internacional de Lagos | London System | |
| May 28, 2024 | Sathish | 0–1 | Zielinski | Norway Chess Open | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| May 27, 2024 | Zielinski | ½–½ | Smeby | Norway Chess Open | Benko Gambit | |
| May 26, 2024 | Zielinski | 1–0 | Juhlin | Norway Chess Open | Dutch Defense: Rubinstein Variation | |
| May 26, 2024 | Khalife | 0–1 | Zielinski | Norway Chess Open | Sicilian Defense: Hyperaccelerated Dragon | |
| May 25, 2024 | Zielinski | ½–½ | Krolikowski | Norway Chess Open | Queen's Gambit Declined: Marshall Defense | |
| Aug 8, 2021 | Zielinski | ½–½ | Stefanski | wro-open-b | Nimzo-Indian Defense | |
| Aug 7, 2021 | Goldschmidt | 1–0 | Zielinski | wro-open-b | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| Aug 6, 2021 | Mocko | 0–1 | Zielinski | wro-open-b | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Aug 5, 2021 | Zielinski | 1–0 | Trela | wro-open-b | Benko Gambit | |
| Aug 4, 2021 | Krzyzosiak | 1–0 | Zielinski | wro-open-b | Caro-Kann Defense: Classical Variation, Lobron System | |
| Aug 4, 2021 | Krzyzosiak | * | Zielinski | wro-open-a | ? | |
| Aug 3, 2021 | Zielinski | 1–0 | Marczyk | wro-open-b | ? | |
| Aug 2, 2021 | Ambroziak | 1–0 | Zielinski | wro-open-b | English Opening: Caro-Kann Defensive System | |
| Aug 1, 2021 | Zielinski | ½–½ | Biernat | wro-open-b | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| — | Zielinski | 0–1 | Koralczyk | Rubinstein Chess Festival 2025 - OPEN B | Indian Defense: Normal Variation | |
| — | Zielinski | 0–1 | Brzozowski | Rubinstein Chess Festival 2025 - OPEN B | Dutch Defense: Staunton Gambit | |
| — | Zielinski | 1–0 | Karleszko-Jedynak | Rubinstein Chess Festival 2025 - OPEN B | Queen's Gambit Accepted: Normal Variation, Traditional System | |
| — | Zielinski | 0–1 | Ronke | Rubinstein Chess Festival 2025 - OPEN B | Bird Opening | |
| — | Mareau | 0–1 | Zielinski | Rubinstein Chess Festival 2025 - OPEN B | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| — | Klincewicz | 1–0 | Zielinski | Rubinstein Chess Festival 2025 - OPEN B | Slav Defense: Quiet Variation | |
| — | Narwojsz | 0–1 | Zielinski | Rubinstein Chess Festival 2025 - OPEN B | Sicilian Defense: Grand Prix Attack | |
| — | Bajno | ½–½ | Zielinski | Rubinstein Chess Festival 2025 - OPEN B | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| — | Mataczyna | 1–0 | Zielinski | Rubinstein Chess Festival 2025 - OPEN B | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
