| Jun 26, 2026 | Guzdziol | 1–0 | Boois | Round 11: Guzdziol, Olaf - Boois, Fidel | Petrov's Defense: Modern Attack, Center Variation | |
| Jun 25, 2026 | Huang | ½–½ | Guzdziol | Round 10: Huang, Hao-Xuan - Guzdziol, Olaf | Sicilian Defense: Delayed Alapin Variation | |
| Jun 24, 2026 | Guzdziol | 0–1 | Saporito | Round 9: Guzdziol, Olaf - Saporito, Giulio Cong Yan | Italian Game: Giuoco Pianissimo, Normal | |
| Jun 23, 2026 | Guzdziol | 0–1 | Berdashkevich | Round 8: Guzdziol, Olaf - Berdashkevich, Makar | Sicilian Defense: Closed | |
| Jun 22, 2026 | Di Berardo | 0–1 | Guzdziol | Round 7: Di Berardo, Jacopo - Guzdziol, Olaf | Sicilian Defense: Richter-Rauzer Variation, Vitolins Variation | |
| Jun 20, 2026 | Guzdziol | 0–1 | Ji | Round 6: Guzdziol, Olaf - Ji, Jiabao Eivind | Sicilian Defense: Closed | |
| Jun 19, 2026 | Alkhadher | 0–1 | Guzdziol | Round 5: Alkhadher, Abdulwahab - Guzdziol, Olaf | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations | |
| Jun 18, 2026 | Guzdziol | 0–1 | Jokic | Round 4: Guzdziol, Olaf - Jokic, Matej | Sicilian Defense: Closed | |
| Jun 17, 2026 | Livnansky | 1–0 | Guzdziol | Round 3: Livnansky, Tomas - Guzdziol, Olaf | Sicilian Defense: Classical Variation | |
| Jun 16, 2026 | Guzdziol | 1–0 | Chuttoo | Round 2: Guzdziol, Olaf - Chuttoo, Pravaranand | Caro-Kann Defense: Classical Variation | |
| Jun 15, 2026 | Wijerathna | 1–0 | Guzdziol | Round 1: Wijerathna, Vinuka Dihain - Guzdziol, Olaf | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| May 4, 2026 | Galmidi | 0–1 | Guzdziol | Round 7: Galmidi, Ester - Guzdziol, Olaf | Queen's Pawn Game: Accelerated London System | |
| May 3, 2026 | Guzdziol | 1–0 | Lukinovic | Round 6: Guzdziol, Olaf - Lukinovic, Lana | Petrov's Defense: Modern Attack | |
| May 2, 2026 | Giorgadze | 1–0 | Guzdziol | Round 5: Giorgadze, Mariam Ere - Guzdziol, Olaf | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Apr 30, 2026 | Guzdziol | 1–0 | Shonia | Round 4: Guzdziol, Olaf - Shonia, Barbare | Sicilian Defense: Closed, Traditional | |
| Apr 29, 2026 | Ghonghadze | 1–0 | Guzdziol | Round 3: Ghonghadze, Alexandre - Guzdziol, Olaf | Sicilian Defense: Old Sicilian | |
| Apr 28, 2026 | Guzdziol | 1–0 | Holjencin | Round 2: Guzdziol, Olaf - Holjencin, Ingrid | Sicilian Defense: Closed | |
| Apr 23, 2026 | Farkash | 1–0 | Guzdziol | Round 1: Farkash, Denys - Guzdziol, Olaf | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Aug 22, 2024 | Guzdziol | 0–1 | Lishoy Gengis Paratazham | EYCC 2024 - O10 | Scandinavian Defense: Main Line, Mieses Variation | |
| — | Guzdziol | 1–0 | Hrckova | EUYCC 2024 - U12 | French Defense: Winawer Variation, Delayed Exchange Variation | |
| — | Guzdziol | 1–0 | Slusarczyk | EUYCC 2025 - U12 | Italian Game: Scotch Gambit | |
| — | Guzdziol | ½–½ | Svabova | EUYCC 2025 - U12 | Petrov's Defense: Classical Attack | |
| — | Guzdziol | 0–1 | Janovicek | EUYCC 2025 - U12 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| — | Guzdziol | 0–1 | Tanase | EUYCC 2025 - U12 | Sicilian Defense: Closed, Traditional | |
| — | Lazars | 1–0 | Guzdziol | EUYCC 2025 - U12 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| — | Rudys | 1–0 | Guzdziol | EUYCC 2025 - U12 | Sicilian Defense: Old Sicilian | |
| — | Reren | 1–0 | Guzdziol | EUYCC 2025 - U12 | Queen's Gambit Declined: Normal Defense | |
| — | Maesepp | 0–1 | Guzdziol | EUYCC 2025 - U12 | Queen's Gambit Declined: Three Knights Variation | |