17 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Groot Wassink, Leon | Mukherjee, Aradhya | 1-0 | B14 | British Junior Rapidplay: Open Under 10 | 2021-11-13 |
| Groot Wassink, Leon | Vaidyanathan, Adithya | 0-1 | B23 | British Junior Rapidplay: Open Under 10 | |
| Groot Wassink, Leon | Liu, Jacob | 0-1 | C01 | British Junior Blitz: Open Under 10 | |
| Groot Wassink, Leon | Hanache, Kai | 0-1 | B14 | British Junior Blitz: Open Under 10 | |
| Groot Wassink, Leon | Eccleston, Rowan | 1-0 | C78 | British Junior Blitz: Open Under 10 | |
| Groot Wassink, Leon | Wang, Yile | 1-0 | C34 | British Junior Blitz: Open Under 10 | |
| Groot Wassink, Leon | Johnson, Felix | 0-1 | B23 | British Junior Rapidplay: Open Under 10 | |
| Groot Wassink, Leon | Sefton, Adam | 1-0 | C16 | British Junior Rapidplay: Open Under 10 | |
| Groot Wassink, Leon | Sefton, Adam | 1-0 | E60 | British Junior Rapidplay: Open Under 10 | |
| Groot Wassink, Leon | Ward, Cian | 0-1 | C78 | British Junior Rapidplay: Open Under 10 |