| Dec 28, 2025 | Edwardss | 1–0 | Maris | Round 7: Edwardss, Dylan - Maris, Ivo | ? | |
| Dec 26, 2025 | Maris | ½–½ | Kleibeuker | Round 6: Maris, Ivo - Kleibeuker, Mika | Hungarian Opening | |
| Dec 26, 2025 | Maris | 1–0 | Krylov | Chessfestival Groningen 2025 Open A | Caro-Kann Defense: Two Knights Attack, Mindeno Variation | |
| Dec 24, 2025 | Grooten | 1–0 | Maris | Round 5: Grooten, Herman - Maris, Ivo | Horwitz Defense | |
| Dec 24, 2025 | Maris | 0–1 | Martins | Round 4: Maris, Ivo - Martins, David Pires Tavares | Queen's Pawn Game: Colle System | |
| Dec 23, 2025 | Schuricht | 0–1 | Maris | Round 3: Schuricht, Emil Frederick - Maris, Ivo | King's Indian Defense: Orthodox Variation, Bayonet Attack | |
| Dec 21, 2025 | Duijker | 1–0 | Maris | Round 1: Duijker, Rick - Maris, Ivo | Modern Defense: Standard Line | |
| Oct 25, 2025 | Maris | 0–1 | Dordevic | Round 9: Maris, Ivo - Dordevic, Tom | Hungarian Opening: Sicilian Invitation | |
| Oct 24, 2025 | Raja Harshit | 1–0 | Maris | Round 8: Raja Harshit - Maris, Ivo | Modern Defense: Standard Line | |
| Oct 23, 2025 | Maris | 1–0 | Soumya | Round 7: Maris, Ivo - Soumya, Swaminathan | Zukertort Opening | |
| Oct 22, 2025 | Bakija | 0–1 | Maris | Round 6: Bakija, Alan - Maris, Ivo | Zukertort Opening: Kingside Fianchetto | |
| Oct 21, 2025 | Maris | ½–½ | Aamuktha Guntaka | Round 5: Maris, Ivo - Aamuktha Guntaka | King's Indian Attack: Yugoslav Variation | |
| Oct 21, 2025 | Grooten | ½–½ | Maris | Round 4: Grooten, Tommy - Maris, Ivo | English Opening: Symmetrical Variation, Hedgehog Defense | |
| Oct 20, 2025 | Maris | 1–0 | Xue | Round 3: Maris, Ivo - Xue, Luka | Hungarian Opening | |
| Oct 19, 2025 | Van Helvoort | 0–1 | Maris | Round 2: Van Helvoort, Rob - Maris, Ivo | Modern Defense: Standard Line | |
| Oct 18, 2025 | Maris | 0–1 | Van Veelen | Round 1: Maris, Ivo - Van Veelen, Thomas | Semi-Slav Defense: Quiet Variation | |
| Nov 2, 2024 | Maris | 0–1 | Karthikeyan | Round 9: Maris, Ivo - Karthikeyan, Murali | Polish Opening: Bugayev Attack | |
| Nov 1, 2024 | De Winter | 0–1 | Maris | Round 8: De Winter, Arthur - Maris, Ivo | Modern Defense | |
| Oct 31, 2024 | Maris | 1–0 | Maatman | Round 7: Maris, Ivo - Maatman, Nick | Hungarian Opening: Sicilian Invitation | |
| Oct 30, 2024 | Maris | 0–1 | Zwirs | Round 5: Maris, Ivo - Zwirs, Nico | Queen's Indian Defense: Classical Variation | |
| Oct 30, 2024 | Schuricht | ½–½ | Maris | Round 6: Schuricht, Emil Frederick - Maris, Ivo | English Opening | |
| Oct 29, 2024 | Kovalskyi | 0–1 | Maris | Round 4: Kovalskyi, Roman - Maris, Ivo | Modern Defense: Standard Line | |
| Oct 28, 2024 | Maris | 1–0 | Lorscheid | Round 3: Maris, Ivo - Lorscheid, Gerhard | Pirc Defense | |
| Oct 27, 2024 | Duchene | 0–1 | Maris | Round 2: Duchene, Rene - Maris, Ivo | English Opening: Great Snake Variation | |
| Oct 26, 2024 | Maris | ½–½ | De Wit | Round 1: Maris, Ivo - De Wit, Michel | King's Indian Attack | |
| Oct 28, 2023 | Mueer | 0–1 | Maris | Hoogeveen Open 2023 | Philidor Defense: Lion Variation | |
| Oct 27, 2023 | Maris | 0–1 | Slagboom | Hoogeveen Open 2023 | Van't Kruijs Opening | |
| Oct 26, 2023 | Kazarjan | 1–0 | Maris | Hoogeveen Open 2023 | Modern Defense: Pseudo-Austrian Attack | |
| Oct 25, 2023 | Maris | 1–0 | Labruyere | Hoogeveen Open 2023 | English Opening: King's English Variation, Four Knights Variation, Flexible Line | |
| Oct 24, 2023 | Schoorl | 1–0 | Maris | Hoogeveen Open 2023 | English Opening | |
| Oct 23, 2023 | Maris | 1–0 | Swati | Hoogeveen Open 2023 | English Opening: Agincourt Defense | |
| Oct 22, 2023 | Krishnan | 1–0 | Maris | Hoogeveen Open 2023 | Zukertort Opening: Kingside Fianchetto | |
| Oct 21, 2023 | Maris | 1–0 | Vogel | Hoogeveen Open 2023 | Semi-Slav Defense: Main Line | |
