| UTR Pro Tennis Series Cancún | 2021/03/31 19:00 | Charles Sullivan v Zachery Foster | 6-1,3-6,6-6 |
| UTR Pro Tennis Series Cancún | 2021/03/30 13:00 | Charles Sullivan v Dusty H. Boyer | 5-7,5-7 |
| UTR Pro Tennis Series Cancún | 2021/03/29 16:30 | Charles Sullivan v Gabriel Evans | 6-4,5-2 |
| UTR Pro Tennis Series - Florida | 2021/03/11 22:00 | Charles Sullivan v Kiranpal Pannu | 3-6,1-6 |
| UTR Pro Tennis Series - Florida | 2021/03/10 18:00 | Charles Sullivan v Benjamin Dhoe | 6-1,6-7,1-6 |
| UTR Pro Tennis Series - Florida | 2021/03/09 18:30 | Charles Sullivan v Murphy Cassone | 6-4,6-0 |
| UTR Pro Tennis Series - Florida | 2021/03/08 18:30 | Charles Sullivan v Joshua Sheehy | 7-6,3-6,6-6 |
| UTR Pro Tennis Series - Florida | 2021/01/23 14:00 | Charles Sullivan v Giulio Perego | 4-6,2-6 |
| UTR Pro Tennis Series Cancún | 2021/03/31 19:00 | Gabriel Evans v Juan A H Serrano | 2-6,2-6 |
| UTR Pro Tennis Series Cancún | 2021/03/29 16:30 | Dusty H. Boyer v Juan A H Serrano | 7-6,3-6,3-5 |
| ATP Acapulco | 2021/03/14 01:30 | Lorenzo Musetti v Juan A H Serrano | 3-6,6-1,6-0 |
| UTR Pro Tennis Series Cancún | 2020/11/22 14:00 | Juan A H Serrano v Manuel Sanchez | 5-7,6-2,6-1 |
| UTR Pro Tennis Series Cancún | 2020/11/21 19:00 | Julian Cash v Juan A H Serrano | 4-6,3-6 |
| UTR Pro Tennis Series Cancún | 2020/11/19 20:10 | Juan Sebastian Gomez v Juan A H Serrano | 5-7,4-6 |
| UTR Pro Tennis Series Cancún | 2020/11/19 15:00 | Nicolas Barrientos v Juan A H Serrano | 6-4,6-3 |
| UTR Pro Tennis Series Cancún | 2020/11/16 14:00 | Juan A H Serrano v Luis Humberto Lopez | 6-3,6-3 |