| 10 jun 2026 | Rooze, Jan 2166 | Mailfert, Jean-Pierre 2081 | 0-1 | B00 Defensa Nimzowitsch: Declined Variation | European Senior Chess Championship 2026 | 65+ | 36 | Ver |
| 6 jun 2026 | Mailfert, Jean-Pierre 2081 | Arkell, Keith C 2402 | 0-1 | A01 Ataque Nimzo-Larsen: Polish Variation | European Senior Chess Championship 2026 | 65+ | 39 | Ver |
| 5 jun 2026 | Varley, Peter 2161 | Mailfert, Jean-Pierre 2081 | ½-½ | B10 Defensa Caro-Kann: Accelerated Panov Attack, Modern Variation | European Senior Chess Championship 2026 | 65+ | 43 | Ver |
| 4 jun 2026 | Mailfert, Jean-Pierre 2081 | Welling, Gerard 2223 |
