| Primera División 2020/2021 Apertura - Appearances as Assistant | ||||
| 01/11/2020 | Municipal Pérez Zeledón | - | Limón FC | 1:1 |
| 08/11/2020 | Guadalupe | - | Sporting FC | 2:2 |
| 12/11/2020 | Jicaral | - | Municipal Grecia | 1:0 |
| 22/11/2020 | CS Herediano | - | Deportivo Saprissa | 2:3 |
| Primera División 2020/2021 Apertura - Appearances as Assistant | ||||
| 01/11/2020 | Municipal Pérez Zeledón | - | Limón FC | 1:1 |
| 08/11/2020 | Guadalupe | - | Sporting FC | 2:2 |
| 12/11/2020 | Jicaral | - | Municipal Grecia | 1:0 |
| 22/11/2020 | CS Herediano | - | Deportivo Saprissa | 2:3 |
| Complete name: | William Chow |
| Born: | |
| Place of birth: |
Costa Rica |
| Nationality: |
Costa Rica |