| 1 nov 2025 | Obsivac, Josef 2242 | Ribeiro, Fernando 2131 | 1-0 | E71 King's Indian Defense: Karpov System | FIDE World Senior Championship 2025 | Open 50+ | 45 | Ver |
| 31 oct 2025 | Chabanon, Jean-Luc 2355 | Obsivac, Josef 2236 | 1-0 | E94 King's Indian Defense: Orthodox Variation, Positional Defense | FIDE World Senior Championship 2025 | Open 50+ | 45 | Ver |
| 30 oct 2025 | Obsivac, Josef 2236 | Dahl, Baard 2104 | 1-0 | D85 Grünfeld Defense: Exchange Variation | FIDE World Senior Championship 2025 | Open 50+ | 41 | Ver |
| 29 oct 2025 | Lilja, Richard 2119 | Obsivac, Josef 2236 | ½-½ | B20 Sicilian Defense | FIDE World Senior Championship 2025 | Open 50+ | 13 | Ver |
| 28 oct 2025 | Obsivac, Josef 2236 | Josse, Mark 2107 | ½-½ | D53 Queen's Gambit Declined | FIDE World Senior Championship 2025 | Open 50+ | 39 | Ver |
| 26 oct 2025 | Fritsch, Klaus 2107 | Obsivac, Josef 2236 | ½-½ | E70 King's Indian Defense: Normal Variation | FIDE World Senior Championship 2025 | Open 50+ | 33 | Ver |
| 25 oct 2025 | Obsivac, Josef 2236 | Godena, Michele 2440 | 0-1 | A13 English Opening: Agincourt Defense | FIDE World Senior Championship 2025 | Open 50+ | 70 | Ver |
| 24 oct 2025 | Bellia, Fabrizio 2390 | Obsivac, Josef 2236 | ½-½ | C07 French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | FIDE World Senior Championship 2025 | Open 50+ | 46 | Ver |
| 23 oct 2025 | Obsivac, Josef 2236 | Van der Werf, Mark 2395 | ½-½ | D02 Queen's Pawn Game: Zukertort Variation | FIDE World Senior Championship 2025 | Open 50+ | 20 | Ver |
