| Cancún - UTR Pro Tennis Series | 2021/03/29 16:30 | Charles Sullivan v Gabriel Evans | 6-4,5-2 |
| Flórida - UTR Pro Tennis Series | 2021/03/11 22:00 | Charles Sullivan v Kiranpal Pannu | 3-6,1-6 |
| Flórida - UTR Pro Tennis Series | 2021/03/10 18:00 | Charles Sullivan v Benjamin Dhoe | 6-1,6-7,1-6 |
| Flórida - UTR Pro Tennis Series | 2021/03/09 18:30 | Charles Sullivan v Murphy Cassone | 6-4,6-0 |
| Flórida - UTR Pro Tennis Series | 2021/03/08 18:30 | Charles Sullivan v Joshua Sheehy | 7-6,3-6,6-6 |
| Flórida - UTR Pro Tennis Series | 2021/01/23 14:00 | Charles Sullivan v Giulio Perego | 4-6,2-6 |
| Flórida - UTR Pro Tennis Series | 2021/01/22 16:00 | Jordi Arconada v Charles Sullivan | 4-6,2-6 |
| Flórida - UTR Pro Tennis Series | 2021/01/21 14:00 | Joshua Sheehy v Charles Sullivan | 3-6,4-5 |
| Cancún - UTR Pro Tennis Series | 2021/03/29 16:30 | Dusty H. Boyer v Juan A H Serrano | 7-6,3-6,3-5 |
| Califórnia - UTR Pro Tennis Series | 2021/02/27 20:30 | Joshua Sheehy v Dusty H. Boyer | 7-6,0-0 |
| Califórnia - UTR Pro Tennis Series | 2021/02/26 18:00 | Miles Jones v Dusty H. Boyer | 6-4,1-6,4-5 |
| Califórnia - UTR Pro Tennis Series | 2021/02/25 22:00 | Isaiah Strode v Dusty H. Boyer | 6-3,6-4 |
| Califórnia - UTR Pro Tennis Series | 2021/02/23 18:00 | Eric Hadigian v Dusty H. Boyer | 3-6,4-6 |
| Califórnia - UTR Pro Tennis Series | 2021/02/22 22:00 | Dusty H. Boyer v Ryan Seggerman | 6-7,3-6 |
| Califórnia - UTR Pro Tennis Series | 2021/02/17 22:00 | Mousheg Hovhannisyan v Dusty H. Boyer | 6-4,6-2 |
| Califórnia - UTR Pro Tennis Series | 2021/02/15 17:30 | Nicolas Barrientos v Dusty H. Boyer | 6-3,5-2 |