26 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Ou, Siyuan | Patel, Diah | 1-0 | B13 | English Youth Championships. Top boards per section. | 2026-03-08 |
| Ou, Siyuan | Burgess, Rose | 0-1 | C53 | English Youth Championships. Top boards per section. | 2026-03-07 |
| Lu, Siyuan | Melling, Liam | 0-1 | D38 | The Sligo Tournament 2025 - Challenger | 2025-02-01 |
| Lu, Siyuan | Ryan, Tony | 1-0 | D06 | The Sligo Tournament 2025 - Challenger | 2025-01-31 |
| Ou, Siyuan | Mehta, Sophie | 1/2-1/2 | B76 | Keith Escott Memorial Congress: U2000 | 2024-12-15 |
| Ou, Siyuan | Harrison, Oliver | 0-1 | C58 | Keith Escott Memorial Congress: U2000 | 2024-12-14 |
| Ou, Siyuan | Letton, Rob | 1/2-1/2 | B32 | British Rapidplay - lower boards | 2024-03-02 |
| Ou, Siyuan | Mohamed Nasrudeen Meeran, Muiz Ul Meeran | 1-0 | C50 | British Rapidplay - lower boards | 2024-03-02 |
| Ou, Siyuan | Takvorian, Sebouh | 0-1 | C02 | British Rapidplay - lower boards | 2024-03-02 |
| Ou, Siyuan | Kumar, Arnav | 1/2-1/2 | B15 | 2023 UK Chess Challenge Terafinal Challengers U12 | 2023-09-09 |
| Ou, Siyuan | Jerome, Stellio | 1/2-1/2 | C02 | Keith Escott Memorial Congress: U2000 | |
| Lu, Siyuan | Huang, Youting | 1-0 | C44 | K-12 International Schools Chess Open 2025 G3-G5 | |
| Lu, Siyuan | Xu, Darren | 1-0 | C45 | K-12 International Schools Chess Open 2025 G3-G5 |