Stadium: Hard Court Central Round: 62 Ground: Hardcourt outdoor
| ITF M25 Meerbusch | 2021/04/12 07:30 | Jimmy Yang v Jim Walder | 2-6,3-6 |
| UTR Pro Tennis Series Atlanta | 2021/04/12 12:30 | Matthew Segura v William Griffith | 6-4,6-3 |
| UTR Pro Tennis Series Atlanta | 2021/04/11 16:30 | William Griffith v Elio Jose Ribeiro Lago | 7-6,5-3 |
| UTR Pro Tennis Series Atlanta | 2021/04/10 18:30 | William Griffith v Valentino Raul Caratini | 6-2,5-2 |
| UTR Pro Tennis Series Atlanta | 2021/04/09 12:30 | Gavin Young v William Griffith | 5-7,6-3,6-2 |
| UTR Pro Tennis Series Atlanta | 2021/04/08 12:30 | Loren Byers v William Griffith | 4-6,2-6 |
| UTR Pro Tennis Series Atlanta | 2021/04/07 12:30 | Jake Krug v William Griffith | 6-3,7-5 |
| UTR Pro Tennis Series Atlanta | 2021/04/05 14:00 | Matthew Segura v William Griffith | 6-3,6-2 |
| UTR Pro Tennis Series California | 2021/02/19 16:00 | Isaiah Strode v William Griffith | 3-6,6-3,6-2 |