| 1 nov 2025 | Kozlov, Oleg 2253 | Fayard, Alain 2111 | 1-0 | A34 Apertura Inglesa: Symmetrical Variation, Rubinstein Variation | FIDE World Senior Championship 2025 | Open 65+ | 40 | Ver |
| 31 oct 2025 | Campora, Daniel H. 2348 | Kozlov, Oleg 2253 | 1-0 | B81 Defensa Siciliana: Scheveningen Variation, Keres Attack | FIDE World Senior Championship 2025 | Open 65+ | 46 | Ver |
| 30 oct 2025 | Kozlov, Oleg 2253 | Chan, Peng Kong 2074 | 1-0 | E38 Defensa Nimzoindia: Classical Variation, Berlin Variation | FIDE World Senior Championship 2025 | Open 65+ | 23 | Ver |
| 29 oct 2025 | Sturua, Zurab 2491 | Kozlov, Oleg 2253 | 1-0 | B40 Defensa Siciliana: French Variation, Westerinen Attack | FIDE World Senior Championship 2025 | Open 65+ | 55 | Ver |
| 28 oct 2025 | Kozlov, Oleg 2253 | Petran, Peter 2172 | 1-0 | A84 Defensa Holandesa | FIDE World Senior Championship 2025 | Open 65+ | 21 | Ver |
| 26 oct 2025 | Jaderberg, Bjorn 2068 | Kozlov, Oleg 2253 | 0-1 | A13 Apertura Inglesa: Agincourt Defense, Catalan Defense, Semi-Slav Defense | FIDE World Senior Championship 2025 | Open 65+ | 33 | Ver |
| 25 oct 2025 | Kozlov, Oleg 2253 | Markzon, Gregory 2079 | ½-½ | A05 Apertura Zukertort: Nimzo-Larsen Variation | FIDE World Senior Championship 2025 | Open 65+ | 84 | Ver |
| 24 oct 2025 | Reprintsev, Alexander 2256 | Kozlov, Oleg 2253 | 1-0 | C15 Defensa Francesa: Winawer Variation, Alekhine Gambit, Kan Variation | FIDE World Senior Championship 2025 | Open 65+ | 46 | Ver |
| 22 oct 2025 | Verboven, Peter 2038 | Kozlov, Oleg 2253 | 0-1 | B23 Defensa Siciliana: Closed | FIDE World Senior Championship 2025 | Open 65+ | 23 | Ver |