| UTR Pro Tennis Series Atlanta | 2021/07/15 12:00 | Cleeve Harper v Alan Sau Franco | 6-3,5-2 |
| UTR Pro Tennis Series Atlanta | 2021/07/12 13:30 | Lukas Greif v Cleeve Harper | 7-6,5-7,3-5 |
| ITF M15 Weston | 2021/07/02 15:10 | Cleeve Harper v Nicolas Mejia | 3-6,4-6 |
| ITF M25 Weston | 2021/06/29 22:45 | Michael Zheng v Cleeve Harper | 6-3,6-3 |
| ITF M25 Weston | 2021/06/29 21:00 | Cleeve Harper v Lukas Greif | 7-5,5-7,10-6 |
| ITF M15 Champaign | 2021/06/21 15:00 | Kyle Seelig v Cleeve Harper | 6-2,6-1 |
| UTR Pro Tennis Series Florida | 2021/06/11 16:00 | Cleeve Harper v Ivan Yatsuk | 7-5,6-7,4-6 |
| UTR Pro Tennis Series Florida | 2021/06/09 14:30 | Cleeve Harper v Andres Martin | 3-6,6-3,2-6 |
| UTR Pro Tennis Series Atlanta | 2021/07/15 19:30 | Lukas Greif v Aidan Kim | 3-6,3-6 |
| ITF M15 Gaiba | 2021/06/09 14:50 | Aidan Kim v Davide Galoppini | 2-6,5-7 |
| UTR Pro Tennis Series Florida | 2021/01/16 18:00 | Matt Kuhar v Aidan Kim | 6-7,7-6,5-3 |
| UTR Pro Tennis Series Florida | 2021/01/14 20:12 | Aidan Kim v Tommaso Carnevale-Miino | 2-2 |
| UTR Pro Tennis Series Florida | 2021/01/11 18:30 | Stefan Kozlov v Aidan Kim | 6-4,6-6 |
| UTR Pro Tennis Series Florida | 2021/01/10 16:00 | Connor Krug v Aidan Kim | 6-4,5-2 |