| 19 ago 2026 | Klimaszewski, Dariusz 2075 | Gasik, Piotr 2002 | 0-1 | B03 Defensa Alekhine: Exchange Variation, Voronezh Variation | Rubinstein E | 35 | Ver |
| 23 oct 2025 | Klimaszewski, Dariusz 2134 | Bellon Lopez, Juan Manuel 2241 | 0-1 | B40 Defensa Siciliana: French Variation | FIDE World Senior Championship 2025 | Open 65+ | 37 | Ver |
| 4 oct 2025 | Klimaszewski, Dariusz 2134 | Pigott, John C 2293 | 0-1 | B31 Defensa Siciliana: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | European individual senior chess championship 2025 - Open 65+, Rabac, Croatia | 43 | Ver |
| 3 oct 2025 | Huss, Andreas 2232 | Klimaszewski, Dariusz 2134 | ½-½ | E92 Defensa India de Rey: Petrosian Variation, Stein Defense | European individual senior chess championship 2025 - Open 65+, Rabac, Croatia | 31 | Ver |