Stadium: Hard Court Central Round: 62 Ground: Hardcourt outdoor
| ITF M15 Heraklion | 2021/05/17 07:00 | 스탈더, 리스 v Yang, Jimmy | 6-2,6-3 |
| ITF M25 Meerbusch | 2021/04/12 07:30 | Yang, Jimmy v 왈더, 짐 | 2-6,3-6 |
| ITF M15 Heraklion | 2021/05/18 08:00 | 그리피스, 윌리암 v 소고얀, 알투르 | 4-6,6-1,7-10 |
| ITF M15 Heraklion | 2021/05/17 08:00 | 그리피스, 윌리암 v Rodriguez, Lorenzo Joaquin | 6-4,1-6,10-6 |
| UTR Pro Tennis Series Atlanta | 2021/04/18 14:30 | 그리피스, 윌리암 v Gurmendi, Alexis | 6-4,6-3 |
| UTR Pro Tennis Series Atlanta | 2021/04/17 12:30 | 그리피스, 윌리암 v Cassone, Murphy | 6-7,6-3,5-3 |
| UTR Pro Tennis Series Atlanta | 2021/04/16 12:30 | Jonny Ho v 그리피스, 윌리암 | 2-6,4-5 |
| UTR Pro Tennis Series Atlanta | 2021/04/15 15:30 | Dugo Reyes, Jose Antonio v 그리피스, 윌리암 | 1-6,0-6 |
| UTR Pro Tennis Series Atlanta | 2021/04/14 12:30 | Nicholas Heng v 그리피스, 윌리암 | 6-7,3-6 |
| UTR Pro Tennis Series Atlanta | 2021/04/12 12:30 | 세구라, 마튜 v 그리피스, 윌리암 | 6-4,6-3 |