| Apr 11, 2026 | Kuipers | 1–0 | Kurt | Round 9: Kuipers, Stefan - Kurt, Sascha | Sicilian Defense: Najdorf Variation | |
| Mar 28, 2026 | Bakker | 0–1 | Kuipers | Round 6: Bakker, Jan - Kuipers, Stefan | Queen's Pawn Game: Accelerated London System | |
| Mar 8, 2026 | Grooten | 0–1 | Kuipers | Meesterklasse | Queen's Gambit Declined: Three Knights Variation | |
| Feb 7, 2026 | Kuipers | 1–0 | Van der Hagen | Round 7: Kuipers, Stefan - Van der Hagen, Loek | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Dec 26, 2025 | Kerigan | 0–1 | Kuipers | Round 5: Kerigan, Demre - Kuipers, Stefan | Pirc Defense | |
| Nov 22, 2025 | Baltic | ½–½ | Kuipers | Round 4: Baltic, Fatih - Kuipers, Stefan | King's Indian Attack | |
| Nov 7, 2025 | Kuipers | ½–½ | Jens | KNSB competitie 2025/2026 | Sicilian Defense: Richter-Rauzer Variation | |
| May 13, 2025 | Kuipers | 1–0 | Abdulla | Round 9: Kuipers, Stefan - Abdulla, Murad | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Apr 5, 2025 | Beukema | 1–0 | Kuipers | Round 8: Beukema, Stefan - Kuipers, Stefan | English Opening: Agincourt Defense | |
| Mar 8, 2025 | Decrop | ½–½ | Kuipers | KNSB Meesterklasse 2024-2025 | Queen's Gambit Declined: Three Knights Variation | |
| Feb 8, 2025 | Kuipers | ½–½ | Ootes | Round 6: Kuipers, Stefan - Ootes, Lars | Pirc Defense | |
| Dec 14, 2024 | Praet | 0–1 | Kuipers | KNSB Meesterklasse 2024-2025 | Philidor Defense: Lion Variation | |
| Nov 23, 2024 | Kuipers | ½–½ | De Winter | KNSB Meesterklasse 2024-2025 | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Sep 21, 2024 | Swinkels | ½–½ | Kuipers | Round 1: Swinkels, Robin - Kuipers, Stefan | Bogo-Indian Defense: Retreat Variation | |
| Nov 9, 2024 | Kuipers | 1–0 | Mohammadi Nia | Round 3: Kuipers, Stefan - Mohammadi Nia, Borna | French Defense: MacCutcheon Variation, Advance Variation | |
| Oct 12, 2024 | De Boer | ½–½ | Kuipers | Round 2: De Boer, Eelke - Kuipers, Stefan | Philidor Defense: Lion Variation | |
