| Apr 11, 2026 | De Boer | ½–½ | Donker | Round 9: De Boer, Eelke - Donker, Roel | Ruy Lopez: Berlin Defense, Rio Gambit Accepted | |
| Mar 28, 2026 | Donker | 0–1 | Van Delft | Round 6: Donker, Roel - Van Delft, Merijn | King's Indian Defense: Orthodox Variation, Gligoric-Taimanov System | |
| Mar 7, 2026 | Donker | 1–0 | Stork | Round 8: Donker, Roel - Stork, Oliver | Queen's Gambit Declined | |
| Feb 7, 2026 | Donker | 1–0 | Lombaers | Round 7: Donker, Roel - Lombaers, Peter | Benoni Defense: Knight's Tour Variation | |
| Dec 26, 2025 | Van der Werf | 1–0 | Donker | Round 5: Van der Werf, Mark - Donker, Roel | Slav Defense | |
| Nov 22, 2025 | Donker | ½–½ | Pham | Round 4: Donker, Roel - Pham, Khoi | Semi-Slav Defense: Chigorin Defense | |
| Nov 7, 2025 | Donker | ½–½ | Jakhari | KNSB competitie 2025/2026 | King's Indian Defense: Orthodox Variation, Gligoric-Taimanov System | |
| Oct 4, 2025 | Martens | 1–0 | Donker | Round 2: Martens, Martin - Donker, Roel | Ruy Lopez: Berlin Defense | |
| Jun 9, 2025 | Donker | 0–1 | Pham | Round 7: Donker, Roel - Pham, Khoi | Semi-Slav Defense: Normal Variation | |
| Jun 9, 2025 | Lahaye | 0–1 | Donker | Round 6: Lahaye, Rick - Donker, Roel | King's Indian Attack: Double Fianchetto | |
| Jun 8, 2025 | Donker | ½–½ | Degraeve | Round 5: Donker, Roel - Degraeve, Remy | Queen's Gambit Accepted | |
| Jun 8, 2025 | Donker | 1–0 | Elgersma | Round 4: Donker, Roel - Elgersma, Onno | Queen's Gambit Declined: Three Knights Variation | |
| Jun 7, 2025 | Gurevich | 1–0 | Donker | Round 3: Gurevich, Mikhail - Donker, Roel | Slav Defense: Modern Line | |
| Jun 7, 2025 | Donker | 1–0 | Gloeckler | Round 2: Donker, Roel - Gloeckler, Christian | Queen's Gambit Declined: Three Knights Variation | |
| Jun 6, 2025 | Beerdsen | 0–1 | Donker | Round 1: Beerdsen, Thomas - Donker, Roel | Italian Game: Evans Gambit, Anderssen Variation, Cordel Line | |
| Apr 17, 2025 | Castellanos Rodriguez | 1–0 | Donker | Semana Santa A. 2025 | Italian Game: Giuoco Pianissimo, Normal | |
| Aug 9, 2024 | Donker | 0–1 | Girel | RTU Open - A | Queen's Indian Defense: Yates Variation | |
| Aug 8, 2024 | Muthaiah AL | ½–½ | Donker | RTU Open - A | Queen's Pawn Game: London System | |
| Aug 7, 2024 | Dudognon | ½–½ | Donker | RTU Open - A | Scotch Game: Mieses Variation | |
| Jun 23, 2024 | Samunenkov | 1–0 | Donker | krakow a | Slav Defense: Exchange Variation | |
| Jun 22, 2024 | Donker | ½–½ | Vetoshko | krakow a | Queen's Gambit Declined: Three Knights Variation | |
