| May 14, 2026 | Bosch | 1–0 | Ondersteijn | Finals tiebreak: Bosch, Jeroen - Ondersteijn, Niels | Pirc Defense | |
| May 14, 2026 | Ondersteijn | 0–1 | Bosch | Finale en 3/4e plaats: Ondersteijn, Niels - Bosch, Jeroen | English Opening: Agincourt Defense | |
| May 14, 2026 | Bosch | 0–1 | Goudriaan | tiebreak Halve Finale: Bosch, Jeroen - Goudriaan, Rafael | Queen's Gambit Declined: Barmen Variation | |
| May 14, 2026 | Goudriaan | 0–1 | Bosch | Semi Final: Goudriaan, Rafael - Bosch, Jeroen | Petrov's Defense: Three Knights Game | |
| Apr 11, 2026 | Bosch | ½–½ | Albers | Round 9: Bosch, Jeroen - Albers, Sasa | Queen's Gambit Declined: Tartakower Defense | |
| Mar 30, 2026 | Bosch | 1–0 | Ritzerveld | KNSB competitie 2025/2026 | Semi-Slav Defense | |
| Mar 8, 2026 | Van der Werf | ½–½ | Bosch | KNSB competitie 2025/2026 | Queen's Gambit Declined: Orthodox Defense, Swiss, Carlsbad Variation | |
| Feb 7, 2026 | Schoppen | 1–0 | Bosch | Round 7: Schoppen, Casper - Bosch, Jeroen | Catalan Opening: Closed | |
| Dec 26, 2025 | Bosch | 1–0 | Klaska | Round 5: Bosch, Jeroen - Klaska, Philipp Leon | Queen's Gambit Declined: Chigorin Defense, Main Line | |
| Nov 25, 2025 | Bosch | 1–0 | Beukema | KNSB competitie 2025/2026 | Queen's Gambit Declined: Cambridge Springs Defense, Yugoslav Variation | |
| Nov 1, 2025 | Lima | ½–½ | Bosch | Round 11: Lima, Darcy - Bosch, Jeroen | Petrov's Defense: Millennium Attack | |
| Oct 31, 2025 | Bosch | 1–0 | Novik | Round 10: Bosch, Jeroen - Novik, Maxim | King's Indian Defense: Sämisch Variation, Bobotsov-Korchnoi-Petrosian Variation | |
| Oct 30, 2025 | Bosch | 1–0 | Grant | Round 9: Bosch, Jeroen - Grant, Jonathan I M | Queen's Gambit Declined: Barmen Variation | |
| Oct 29, 2025 | Min | ½–½ | Bosch | Round 8: Min, Valeriy - Bosch, Jeroen | Zukertort Opening | |
| Oct 28, 2025 | Bosch | 1–0 | Melikhov | Round 7: Bosch, Jeroen - Melikhov, Evgeny V. | French Defense: Classical Variation, Burn Variation | |
| Oct 26, 2025 | Gluckman | ½–½ | Bosch | Round 6: Gluckman, David - Bosch, Jeroen | Indian Defense: Wade-Tartakower Defense | |
| Oct 25, 2025 | Bosch | 0–1 | Farahat | Round 5: Bosch, Jeroen - Farahat, Ali | Ruy Lopez: Morphy Defense, Caro Variation | |
| Oct 24, 2025 | Svenn | ½–½ | Bosch | Round 4: Svenn, Gosta - Bosch, Jeroen | Sicilian Defense | |
| Oct 23, 2025 | Bosch | 1–0 | Milat | Round 3: Bosch, Jeroen - Milat, Marcel | French Defense: Winawer Variation, Retreat Variation, Armenian Line | |
| Oct 22, 2025 | Estremera Panos | ½–½ | Bosch | Round 2: Estremera Panos, Sergio - Bosch, Jeroen | English Opening: Agincourt Defense | |
| Oct 21, 2025 | Bosch | 1–0 | Coste | Round 1: Bosch, Jeroen - Coste, Thierry | Queen's Gambit Declined: Orthodox Defense, Bd3 Line | |
| Oct 3, 2025 | Bosch | ½–½ | Van Wely | Round 2: Bosch, Jeroen - Van Wely, Loek | Sicilian Defense: Taimanov Variation | |
| Sep 22, 2025 | Smeets | ½–½ | Bosch | KNSB competitie 2025/2026 | Petrov's Defense: Modern Attack, Center Variation | |
