| 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 - Florida | 2021/01/22 16:00 | Jordi Arconada v Charles Sullivan | 4-6,2-6 |
| UTR Pro Tennis Series - Florida | 2021/01/21 14:00 | Joshua Sheehy v Charles Sullivan | 3-6,4-5 |
| UTR Pro Tennis Series - Florida | 2021/01/20 14:00 | David Volfson v Charles Sullivan | 7-6,4-6,4-6 |
| ITF USA F19 Qual | 2018/07/01 15:00 | Gabriel Evans v William Little | 6-3,5-7,0-6 |
| ITF USA F17 Qual | 2017/06/11 14:00 | Gabriel Evans v Luis Valero | 1-6,3-6 |