| Nov 3, 2024 | Beijen | 1–0 | Heij | Amsterdam Chess Open 2024 | Grünfeld Defense: Exchange Variation | |
| Nov 2, 2024 | Heij | 0–1 | Mikko | Amsterdam Chess Open 2024 | Queen's Gambit Declined: Three Knights Variation | |
| Nov 2, 2024 | Maes | 0–1 | Heij | Amsterdam Chess Open 2024 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Nov 1, 2024 | Heij | 1–0 | Kumar | Amsterdam Chess Open 2024 | Queen's Indian Defense: Spassky System | |
| Nov 1, 2024 | Migliorero | 0–1 | Heij | Amsterdam Chess Open 2024 | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Jul 10, 2024 | Boswell | 1–0 | Heij | Round 9: Boswell, Jacob Connor - Heij, Jacco | English Opening: Agincourt Defense | |
| Jul 9, 2024 | Heij | 1–0 | Tapp | Round 8: Heij, Jacco - Tapp, James | Indian Defense: Anti-Nimzo-Indian | |
| Jul 9, 2024 | Stubbs | 0–1 | Heij | Round 7: Stubbs, Oliver - Heij, Jacco | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Jul 8, 2024 | Heij | 1–0 | McKenna | Round 6: Heij, Jacco - McKenna, Joshua | Bogo-Indian Defense: Wade-Smyslov Variation | |
| Jul 7, 2024 | Heij | ½–½ | Agarwal | Round 4: Heij, Jacco - Agarwal, Amaya | Queen's Gambit Declined: Three Knights Variation | |
| Jul 6, 2024 | Bullen | 1–0 | Heij | Round 3: Bullen, Alex - Heij, Jacco | English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation | |
| Jul 5, 2024 | Heij | 1–0 | Powell-Jones | Round 2: Heij, Jacco - Powell-Jones, Liam | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Jul 5, 2024 | Chatalbashev | 1–0 | Heij | Round 1: Chatalbashev, Boris - Heij, Jacco | Grünfeld Defense: Stockholm Variation | |
