| 24 dic 2025 | Schilstra, Laurens 2188 | Van der Werf, Joel 2157 | ½-½ | C07 Defensa Francesa: Tarrasch Variation, Chistyakov Defense | Chessfestival Groningen 2025 | Vierkampen | 85 | Ver |
| 23 dic 2025 | Van der Werf, Joel 2157 | Noordenbos, Daan 2168 | 1-0 | C88 Apertura Española (Ruy López): Closed, Anti-Marshall | Chessfestival Groningen 2025 | Vierkampen | 40 | Ver |
| 16 dic 2025 | Van der Werf, Joel 2157 | Pijpers, Arthur 2475 | 0-1 | B62 Defensa Siciliana: Richter-Rauzer Variation | Chessfestival Groningen 2025 | Vierkampen | 55 | Ver |
| 25 oct 2025 | Van der Werf, Joel 2139 | Kazarian, Anna-Maja 2244 | 1-0 | B94 Defensa Siciliana: Najdorf Variation | Amsterdam Chess Open 2025 | 41 | Ver |
| 24 oct 2025 | Van der Werf, Joel 2139 | Grutter, Tim 2394 | 0-1 | C79 Apertura Española (Ruy López): Morphy Defense, Steinitz Deferred | Amsterdam Chess Open 2025 | 63 | Ver |