| UTR Pro Tennis Series Atlanta | 2021/04/05 14:00 | Matthew Segura v William Griffith | 6-3,6-2 |
| UTR Pro Tennis Series Atlanta | 2021/04/11 13:30 | Evan King v Matthew Segura | 1-4 |
| UTR Pro Tennis Series Atlanta | 2021/04/09 12:30 | Jake Krug v Matthew Segura | 4-6,3-6 |
| UTR Pro Tennis Series Atlanta | 2021/04/08 14:00 | Gavin Young v Matthew Segura | 6-3,2-6,6-4 |
| UTR Pro Tennis Series Atlanta | 2021/04/06 14:00 | Loren Byers v Matthew Segura | 4-6,4-5 |
| UTR Pro Tennis Series Atlanta | 2021/04/05 14:00 | Matthew Segura v William Griffith | 6-3,6-2 |
| UTR Pro Tennis Series Florida | 2021/03/13 15:30 | Harris Walker v Matthew Segura | 6-3,6-3 |
| UTR Pro Tennis Series Florida | 2021/03/12 15:30 | Matthew Segura v Jorge Panta | 4-6,4-6 |
| UTR Pro Tennis Series Florida | 2021/03/10 20:00 | Matthew Segura v Federico Zeballos | 6-3,5-3 |
| 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 |
| UTR Pro Tennis Series California | 2021/02/18 17:30 | Kyle Kang v William Griffith | 4-6,4-6 |