7 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Marsden, Oscar | Qin, Charlie | 0-1 | A48 | British Championships: Junior Under 10 | 2023-07-28 |
| Marsden, Oscar | Saxena, Reyansh | 1/2-1/2 | D02 | British Championships: Junior Under 10 | 2023-07-27 |
| Marsden, Oscar | Mittal, Rutva | 1-0 | D00 | British Championships: Junior Under 10 | 2023-07-26 |