| Apr 19, 2026 | Zieba | 0–1 | Zeluk | MPA U1600 | Rapport-Jobava System | |
| Apr 18, 2026 | Zajac | 0–1 | Zieba | MPA U1600 | Caro-Kann Defense: Exchange Variation | |
| Apr 16, 2026 | Grazka | ½–½ | Zieba | MPA U1600 | Indian Defense: Tartakower Attack | |
| Apr 14, 2026 | Zieba | 1–0 | Pahrabny | MPA U1600 | French Defense: Exchange Variation | |
| Apr 14, 2026 | Kost | 1–0 | Zieba | MPA U1600 | Indian Defense: Spielmann-Indian | |
| Apr 13, 2026 | Zieba | 1–0 | Mucha | MPA U1600 | Indian Defense | |
| Apr 12, 2026 | Jaworski | * | Zieba | MPA U1600 | ? | |
| Apr 11, 2026 | Zieba | 1–0 | Czerwinska | MPA U1600 | ? | |
| Jun 2, 2025 | Fus | 1–0 | Zieba | Open | King's Indian Defense: Orthodox Variation | |
| Jun 1, 2025 | Zieba | 1–0 | Kupczyk | Open | Ponziani Opening: Jaenisch Counterattack | |
| May 31, 2025 | Zieba | 0–1 | Brzezina | Open | Ponziani Opening: Jaenisch Counterattack | |
| May 31, 2025 | Zieba | 1–0 | Kruszynski | Open | French Defense: Exchange Variation | |
| May 31, 2025 | Zieba | 1–0 | Skupien | Open | Sicilian Defense: Closed | |
| May 31, 2025 | Tendera | ½–½ | Zieba | Open-3 | Benko Gambit | |
| May 31, 2025 | Zieba | 0–1 | Kaminska | Open | Ponziani Opening | |
| May 31, 2025 | Zieba | 1–0 | Rudzki | Open | Caro-Kann Defense: Goldman Variation | |
| May 31, 2025 | Heberla | 1–0 | Zieba | Open-1 | Benoni Defense: Modern Variation | |
| Apr 13, 2025 | Zieba | 0–1 | Sowa | Columbus Mistrzostwa Polski Amatorów - do 1600 FIDE | Sicilian Defense: Closed | |
| Apr 12, 2025 | Webster | 0–1 | Zieba | Columbus Mistrzostwa Polski Amatorów - do 1600 FIDE | Ruy Lopez: Steinitz Defense | |
| Apr 11, 2025 | Zieba | 1–0 | Lenartowski | Columbus Mistrzostwa Polski Amatorów - do 1600 FIDE | Sicilian Defense: Closed, Traditional | |
| Apr 10, 2025 | Waga | 1–0 | Zieba | Columbus Mistrzostwa Polski Amatorów - do 1600 FIDE | Ponziani Opening: Vukovic Gambit | |
| Apr 9, 2025 | Jagoda | 0–1 | Zieba | Columbus Mistrzostwa Polski Amatorów - do 1600 FIDE | English Opening: Anglo-Indian Defense, Queen's Knight Variation | |
| Apr 8, 2025 | Zieba | 0–1 | Kollataj | Columbus Mistrzostwa Polski Amatorów - do 1600 FIDE | Scandinavian Defense: Main Line | |
| Apr 7, 2025 | Zieba | 1–0 | Mazur | Columbus Mistrzostwa Polski Amatorów - do 1600 FIDE | Sicilian Defense: Closed, Traditional | |
| Apr 6, 2025 | Kozera | 1–0 | Zieba | Columbus Mistrzostwa Polski Amatorów - do 1600 FIDE | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| Apr 5, 2025 | Zieba | 1–0 | Wadowski | Columbus Mistrzostwa Polski Amatorów - do 1600 FIDE | Caro-Kann Defense: Goldman Variation | |
| Dec 17, 2021 | Zieba | 0–1 | Mirzoev | European Blitz Championship | ? | |
| Dec 17, 2021 | Mirzoev | 1–0 | Zieba | European Blitz Chess Championship 2021 | King's Indian Attack: Symmetrical Defense | |
| — | Zieba | 1–0 | Belau | Memorial Adolfa Anderssena 2025 | Sicilian Defense: Closed | |
| — | Zieba | 0–1 | Malas | Memorial Adolfa Anderssena 2025 | Sicilian Defense: Closed | |
| — | Zieba | 1–0 | Do Trong | Memorial Adolfa Anderssena 2025 | Italian Game: Classical Variation, Giuoco Pianissimo, with d6 | |
| — | Zieba | 1–0 | Szydziak | Memorial Adolfa Anderssena 2025 | French Defense: St. George Defense | |
| — | Zieba | 0–1 | Hulka | Round 1: Zieba, Robert - Hulka, Valentyn | ? | |
| — | Zieba | 0–1 | Gbiorczyk | Round 3: Zieba, Robert - Gbiorczyk, Mikolaj | ? | |
| — | Zieba | 0–1 | Jankowiak | Round 5: Zieba, Robert - Jankowiak, Tomasz | ? | |
| — | Zieba | 1–0 | Rogowski | Round 7: Zieba, Robert - Rogowski, Piotr | ? | |
| — | Zieba | 1–0 | Groning | 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN C | Sicilian Defense: O'Kelly Variation, Réti System | |
| — | Zieba | ½–½ | Kwasnicki | 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN C | Sicilian Defense: Lasker-Dunne Attack | |
| — | Zieba | 1–0 | Piechel | 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN C | French Defense: Exchange Variation, Svenonius Variation | |
| — | Zieba | 0–1 | Mucha | 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN C | Sicilian Defense: Old Sicilian | |
| — | Zieba | 1–0 | Gucwa | 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN C | King's Pawn Game | |
| — | Jedras | 1–0 | Zieba | Memorial Adolfa Anderssena 2025 | King's Gambit Declined: Queen's Knight Defense | |
| — | Borkowski | 1–0 | Zieba | anderssen2025 | Ruy Lopez: Classical Variation | |
| — | Kruszelnicki | 1–0 | Zieba | Memorial Adolfa Anderssena 2025 | Trompowsky Attack | |
| — | Grunas | 1–0 | Zieba | Memorial Adolfa Anderssena 2025 | Italian Game: Rosentreter Gambit | |
| — | Cholewa | 0–1 | Zieba | Round 2: Cholewa, Maja - Zieba, Robert | ? | |
| — | Karas | 0–1 | Zieba | Round 4: Karas, Kacper - Zieba, Robert | ? | |
| — | Michalak | 1–0 | Zieba | Round 6: Michalak, Leon - Zieba, Robert | ? | |
| — | Szydziak | 0–1 | Zieba | Round 8: Szydziak, Damian - Zieba, Robert | ? | |
| — | Antoni Jablonski | 1–0 | Zieba | Round 9: Antoni Jablonski - Zieba, Robert | ? | |
| — | Karelidze | 1–0 | Zieba | 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN C | King's Indian Defense: Fianchetto Variation, Yugoslav System | |
| — | Stawecki | 1–0 | Zieba | 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN C | Caro-Kann Defense: Tartakower Variation | |
| — | Bogenryter | 1–0 | Zieba | 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN C | Benko Gambit Accepted: Pawn Return Variation | |
| — | Brzeski | ½–½ | Zieba | 61. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - OPEN C | Caro-Kann Defense: Exchange Variation | |