| Olsen, William Alexander2149 | ½-½ | Liu, Jason2252 | World Youth Open U18 2026 | 2026 |
| Skube, Zan1945 | 0-1 | Olsen, William Alexander2149 | World Youth Open U18 2026 | 2026 |
| Olsen, William Alexander2149 | ½-½ | Khoo-Thwe, Louis2271 | World Youth Open U18 2026 | 2026 |
| Olsen, William Alexander2149 | 0-1 | Navarro Martinez, Victor2298 | World Youth Open U18 2026 | 2026 |
| Kurbanbaev, Zalkar2019 | 0-1 | Olsen, William Alexander2149 | World Youth Open U18 2026 | 2026 |
| Olsen, William Alexander2149 | 0-1 | Nainys, Zanas2321 | World Youth Open U18 2026 | 2026 |
| Pashikyan, Rudolf2308 | 1-0 | Olsen, William Alexander2149 | World Youth Open U18 2026 | 2026 |
| Olsen, William Alexander2149 | 0-1 | Orujov, Farid2326 | World Youth Open U18 2026 | 2026 |
| Menahem, Adi2316 | 0-1 | Olsen, William Alexander2149 | World Youth Open U18 2026 | 2026 |
| Olsen, William Alexander2149 | ½-½ | Kot, Emanuel2313 | World Youth Open U18 2026 | 2026 |
| Cnejev, Vladimir-Alexandru2421 | 0-1 | Olsen, William Alexander2149 | World Youth Open U18 2026 | 2026 |
| Schmidt, Florian Pascal2050 | 0-1 | Olsen, William Alexander2149 | Norway Chess Open June | 2026 |
| Olsen, William Alexander2149 | 1-0 | Valvag, Torbjorn2103 | Norway Chess Open June | 2026 |
| Urkedal, F2566 | 1-0 | Olsen, William Alexander2149 | Norway Chess Open June | 2026 |
| Olsen, William Alexander2149 | 1-0 | Boleslav, Petr | Norway Chess Open June | 2026 |