| 24 may 2026 | Van der Werf, Mark 2384 | Ootes, Lars 2363 | 0-1 | B08 Defensa Pirc: Classical Variation, Quiet System | Qualification Dutch Championship 2026 | 54 | Ver |
| 24 may 2026 | Ootes, Lars 2363 | Slagboom, Leandro 2334 | 0-1 | A21 Apertura Inglesa: King's English Variation | Qualification Dutch Championship 2026 | 44 | Ver |
| 24 may 2026 | De Boer, Eelke 2406 | Ootes, Lars 2363 | 0-1 | B08 Defensa Pirc: Classical Variation, Quiet System | Qualification Dutch Championship 2026 | 55 | Ver |
| 24 may 2026 | Ootes, Lars 2363 | Jellema, Pieter 2193 | 1-0 | B10 Defensa Caro-Kann: Two Knights Attack | Qualification Dutch Championship 2026 | 49 | Ver |
| 24 may 2026 | Den Hartog, Marijn 2209 | Ootes, Lars 2363 | 0-1 | B00 Defensa Pirc | Qualification Dutch Championship 2026 | 34 | Ver |
| 23 may 2026 | Ootes, Lars 2363 | Aravindhan, Achyuth 2213 | 1-0 | D32 Defensa Tarrasch | Qualification Dutch Championship 2026 | 58 | Ver |
| 23 may 2026 | Grochal, Joey 2253 | Ootes, Lars 2363 | 1-0 | B07 Defensa Pirc: Byrne Variation | Qualification Dutch Championship 2026 | 54 | Ver |
| 23 may 2026 | Ootes, Lars 2363 | Bekker, Stefan 2367 | 0-1 | A21 Apertura Inglesa: King's English Variation, Kramnik-Shirov Counterattack | Qualification Dutch Championship 2026 | 63 | Ver |
| 23 may 2026 | Pel, Bonno 2286 | Ootes, Lars 2363 | 0-1 | A00 Apertura Húngara | Qualification Dutch Championship 2026 | 40 | Ver |
| 23 may 2026 | Ootes, Lars 2363 | Simenon, Jozef 2288 | 0-1 | B00 Defensa Owen | Qualification Dutch Championship 2026 | 55 | Ver |
| 23 may 2026 | Kamphuis, Jasper 2134 | Ootes, Lars 2363 | 0-1 | B06 Defensa Moderna: Standard Defense | Qualification Dutch Championship 2026 | 43 | Ver |
| 23 may 2026 | Ootes, Lars 2363 | Terlouw, Wouter 2259 | 0-1 | A42 Defensa Pterodáctilo | Qualification Dutch Championship 2026 | 41 | Ver |
| 19 may 2026 | Ootes, Lars 2363 | Grooten, Tommy 2356 | 0-1 | D42 Gambito de Dama rehusado: Semi-Tarrasch Defense, Main Line | Qualification Dutch Championship 2026 | 59 | Ver |
| 17 may 2026 | Ootes, Lars 2363 | Von Meijenfeldt, Bart 2183 | 0-1 | A16 Apertura Inglesa: Anglo-Indian Defense, Queen's Knight Variation | Utrecht Open 2026 | Group A | 35 | Ver |
| 15 may 2026 | Ootes, Lars 2363 | Martyr, Reginald 2160 | 0-1 | A85 Defensa Holandesa: Queen's Knight Variation | Utrecht Open 2026 | Group A | 44 | Ver |
| 15 may 2026 | Groenewoud, Joel 2084 | Ootes, Lars 2363 | 0-1 | B06 Defensa Moderna: Standard Defense | Utrecht Open 2026 | Group A | 47 | Ver |
| 28 mar 2026 | Hausrath, Daniel 2437 | Ootes, Lars 2356 | ½-½ | A41 Apertura de Peón de Dama: Rossolimo Variation | Dutch Meesterklasse 2025/26 | 24 | Ver |
| 7 mar 2026 | Ootes, Lars 2356 | De Boer, Eelke 2415 | 1-0 | D35 Gambito de Dama rehusado: Exchange Variation, Positional Variation | Dutch Meesterklasse 2025/26 | 81 | Ver |
| 7 feb 2026 | Ootes, Lars 2353 | Mazajchik, Tim 2174 | 1-0 | D35 Gambito de Dama rehusado: Exchange Variation, Positional Variation | Dutch Meesterklasse 2025/26 | 32 | Ver |
| 26 dic 2025 | Albers, Sasa 2345 | Ootes, Lars 2353 | ½-½ | B06 Defensa Moderna | Dutch Meesterklasse 2025/26 | 65 | Ver |