| 6 ago 2026 | De Vleeschauwer, Maarten 2212 | Daakshin Arun 2335 | 0-1 | B20 Defensa Siciliana: Wing Gambit, Marshall Variation | 19th Arad Open Grand Prix Classic 2026 | Open A | 23 | Ver |
| 25 jun 2026 | Chasin, Nico 2490 | De Vleeschauwer, Maarten 2251 | 1-0 | A11 Apertura Réti: Anglo-Slav Variation, with g3 | Kasparov Chess Foundation Friendship Festival 2026 | 63 | Ver |
| 7 jun 2026 | Liu, Haoling 2101 | De Vleeschauwer, Maarten 2251 | 0-1 | D46 Defensa Semieslava: Chigorin Defense | Norway Chess Open 2026 June | 59 | Ver |
| 6 jun 2026 | De Vleeschauwer, Maarten 2251 | Mortensen, Michael 2092 | 1-0 | B47 Defensa Siciliana: Taimanov Variation, Bastrikov Variation | Norway Chess Open 2026 June | 74 | Ver |
| 5 jun 2026 | Torbjørn Valvåg 2103 | De Vleeschauwer, Maarten 2251 | ½-½ | D43 Defensa Semieslava: Moscow Variation | Norway Chess Open 2026 June | 48 | Ver |
| 4 jun 2026 | De Vleeschauwer, Maarten 2251 | Bjørn Robert L. Unhjem 2013 | 1-0 | B20 Defensa Siciliana: Wing Gambit, Marshall Variation | Norway Chess Open 2026 June | 33 | Ver |
| 3 jun 2026 | Bernhoftsen-Banks, Alec 2027 | De Vleeschauwer, Maarten 2251 | ½-½ | C47 Apertura de los Cuatro Caballos: Scotch Variation Accepted | Norway Chess Open 2026 June | 58 | Ver |
| 2 jun 2026 | De Vleeschauwer, Maarten 2251 | Bjerke, Richard 2019 | ½-½ | B10 Defensa Caro-Kann: Endgame Variation | Norway Chess Open 2026 June | 76 | Ver |
| 30 mar 2026 | De Vleeschauwer, Maarten 2277 | Tsolakidou, Stavroula 2479 | 0-1 | B22 Defensa Siciliana: Delayed Alapin Variation | Reykjavik Open 2026 | 47 | Ver |
| 28 mar 2026 | De Vleeschauwer, Maarten 2277 | Panchanathan, Magesh Chandran 2440 | 0-1 | E05 Apertura Catalana: Open Defense, Classical Line | Reykjavik Open 2026 | 36 | Ver |
| 28 mar 2026 | Williams, Simon K 2443 | De Vleeschauwer, Maarten 2277 | ½-½ | D44 Defensa Semieslava: Botvinnik Variation | Reykjavik Open 2026 | 58 | Ver |
| 26 mar 2026 | Razafindratsima, Timothe 2504 | De Vleeschauwer, Maarten 2277 | 1-0 | B83 Defensa Siciliana: Scheveningen Variation, Modern Variation | Reykjavik Open 2026 | 66 | Ver |
| 22 feb 2026 | Ruzhansky, Elias 2462 | De Vleeschauwer, Maarten 2265 | 1-0 | B33 Defensa Siciliana: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | 42e Open de Cappelle | 32 | Ver |
| 30 nov 2025 | De Vleeschauwer, Maarten 2268 | Garner, Isaac 2429 | 0-1 | B13 Defensa Caro-Kann: Exchange Variation | European Rapid & Blitz Chess Championships 2025 | Blitz | 22 | Ver |
| 30 nov 2025 | Bregu, Riza 2094 | De Vleeschauwer, Maarten 2268 | 0-1 | C47 Apertura de los Cuatro Caballos: Scotch Variation, Belgrade Gambit | European Rapid & Blitz Chess Championships 2025 | Blitz | 51 | Ver |
| 30 nov 2025 | De Vleeschauwer, Maarten 2268 | Martinovic, Sasa 2472 | ½-½ | C16 Defensa Francesa: Winawer Variation, Advance Variation | European Rapid & Blitz Chess Championships 2025 | Blitz | 38 | Ver |
| 30 nov 2025 | Caku, Kler 2030 | De Vleeschauwer, Maarten 2268 | 0-1 | C45 Apertura Escocesa: Classical Variation | European Rapid & Blitz Chess Championships 2025 | Blitz | 30 | Ver |
| 30 nov 2025 | Van Foreest, Lucas 2550 | De Vleeschauwer, Maarten 2268 | 1-0 | D45 Defensa Semieslava: Normal Variation | European Rapid & Blitz Chess Championships 2025 | Blitz | 50 | Ver |
| 30 nov 2025 | De Vleeschauwer, Maarten 2268 | Salgado Lopez, Ivan 2561 | ½-½ | B21 Defensa Siciliana: Smith-Morra Gambit Accepted, Pin Defense | European Rapid & Blitz Chess Championships 2025 | Blitz | 31 | Ver |