| Jul 24, 2026 | Beijen | * | Reinders | Round 4: Beijen, Mark - Reinders, Joan | ? | |
| Jul 23, 2026 | Bruggink | * | Beijen | Round 3: Bruggink, Lyne - Beijen, Mark | ? | |
| Jul 22, 2026 | Beijen | * | Van der Velden | Round 2: Beijen, Mark - Van der Velden, Rens | ? | |
| Jul 21, 2026 | Op den Dries | 1–0 | Beijen | Round 1: Op den Dries, Johan - Beijen, Mark | French Defense: Tarrasch Variation, Morozevich Variation | |
| Jul 18, 2026 | Leentjens | 0–1 | Beijen | Amsterdam Chess Festival 2026 - Groep B | French Defense: Wing Gambit | |
| Jul 17, 2026 | Beijen | 1–0 | Schenkelaars | Amsterdam Chess Festival 2026 - Groep B | Semi-Slav Defense: Botvinnik Variation, Lilienthal Variation | |
| Jul 14, 2026 | Beijen | 1–0 | Kart | Amsterdam Chess Festival 2026 - Groep B | Benko Gambit Accepted: Modern Variation | |
| Jul 10, 2026 | Beijen | 1–0 | Singh | Amsterdam Chess Festival 2026 - Groep B | Slav Defense: Quiet Variation, Schallopp Defense | |
| Jul 10, 2026 | Beijen | 0–1 | Kroon | Amsterdam Chess Festival 2026 - Groep B | Nimzo-Indian Defense: St. Petersburg Variation, Fischer Variation | |
| Jun 27, 2026 | Beijen | * | Verhulst | Round 1: Beijen, Mark - Verhulst, Nikolaas | ? | |
| Jul 30, 2025 | Beijen | * | Bloem | Round 9: Beijen, Mark - Bloem, Mark | ? | |
| Jul 28, 2025 | Beijen | 0–1 | Heijmans | Round 7: Beijen, Mark - Heijmans, Stan | Queen's Gambit Declined: Three Knights Variation | |
| Jul 27, 2025 | Koorevaar | 0–1 | Beijen | Round 6: Koorevaar, Sarah-Joy - Beijen, Mark | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Jul 26, 2025 | Beijen | * | Schoenmakers | Round 5: Beijen, Mark - Schoenmakers, Paul | ? | |
| Jul 25, 2025 | Mika Kleibeuker | * | Beijen | Round 4: Mika Kleibeuker - Beijen, Mark | ? | |
| Jul 24, 2025 | Beijen | 0–1 | Van Jaarsveld | Round 3: Beijen, Mark - Van Jaarsveld, Henk | Benko Gambit Accepted: Modern Variation | |
| Jul 23, 2025 | Muskens | ½–½ | Beijen | Round 2: Muskens, Mink - Beijen, Mark | King's Indian Attack | |
| Jul 22, 2025 | Beijen | * | Wille | Round 1: Beijen, Mark - Wille, Ruud | ? | |
| Nov 3, 2024 | Beijen | 1–0 | Heij | Amsterdam Chess Open 2024 | Grünfeld Defense: Exchange Variation | |
| Nov 3, 2024 | Beijen | ½–½ | Mikko | Amsterdam Chess Open 2024 | Queen's Gambit Declined: Harrwitz Attack | |
| Nov 2, 2024 | Kuijken | 0–1 | Beijen | Amsterdam Chess Open 2024 | French Defense: Paulsen Variation | |
| Nov 1, 2024 | Vintonyak | ½–½ | Beijen | Amsterdam Chess Open 2024 | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |