| Apr 2, 2026 | Griffith | ½–½ | Roos | X Open Semana Santa 2026 - Grupo A | Vienna Game: Frankenstein-Dracula Variation | |
| Jul 23, 2025 | Goudriaan | 1–0 | Roos | Round 9: Goudriaan, Etienne - Roos, Adrian | King's Indian Attack: Double Fianchetto | |
| Jul 22, 2025 | Roos | 1–0 | Stork | Round 8: Roos, Adrian - Stork, Ornett | Indian Defense: Pseudo-Benko | |
| Jul 21, 2025 | Roos | ½–½ | De Block | Round 6: Roos, Adrian - De Block, Fabio | Semi-Slav Defense: Normal Variation | |
| Jul 21, 2025 | Tuerlinckx | ½–½ | Roos | Round 5: Tuerlinckx, Ben - Roos, Adrian | English Opening: Caro-Kann Defensive System | |
| Jul 20, 2025 | Roos | ½–½ | Lopes | Round 4: Roos, Adrian - Lopes, Samuel | Queen's Gambit Declined: Three Knights Variation | |
| Mar 8, 2025 | Roos | 0–1 | Lammens | KNSB Meesterklasse 2024-2025 | Indian Defense: Knights Variation | |
| Feb 8, 2025 | Strating | 1–0 | Roos | KNSB Meesterklasse 2024-2025 | Queen's Gambit Declined: Ragozin Defense, Alekhine Variation | |
| Oct 25, 2024 | Roos | ½–½ | Wallin | 39th European Chess Club Cup | Queen's Gambit Declined: Janowski Variation | |
| Oct 24, 2024 | Sterck | 1–0 | Roos | 39th European Chess Club Cup | English Opening: Symmetrical Variation | |
| Oct 23, 2024 | Roos | 0–1 | Gryshko | 39th European Chess Club Cup | Zukertort Opening | |
| Oct 22, 2024 | Bates | 1–0 | Roos | 39th European Chess Club Cup | Catalan Opening: Open Defense, Classical Line | |
| Oct 21, 2024 | Roos | 1–0 | Gulbas | 39th European Chess Club Cup | King's Indian Defense: Orthodox Variation, Gligoric-Taimanov System | |
| Oct 20, 2024 | Wadsworth | 1–0 | Roos | 39th European Chess Club Cup | Slav Indian | |
| Oct 12, 2024 | Roos | 0–1 | Schoppen | KNSB Meesterklasse 2024-2025 | King's Indian Defense: Orthodox Variation, Gligoric-Taimanov System | |
| Sep 21, 2024 | Baselmans | 1–0 | Roos | KNSB Meesterklasse 2024-2025 | Sicilian Defense: Moscow Variation, Main Line | |
| Nov 9, 2024 | Roos | ½–½ | Jens | Round 3: Roos, Adrian - Jens, Jelmer | Dutch Defense: Raphael Variation | |
| Nov 20, 2023 | Roos | ½–½ | Wartiovaara | European Team Championship | Indian Defense: Knights Variation | |
| Nov 19, 2023 | Durarbayli | 1–0 | Roos | European Team Championship | Sicilian Defense: Najdorf Variation | |
| Nov 18, 2023 | Roos | 1–0 | Kurmann | European Team Championship | Queen's Indian Defense: Classical Variation, Traditional Variation | |
| Nov 12, 2023 | Roos | 1–0 | Levy | European Team Championship | Indian Defense: Pseudo-Benko | |
