| UTR Pro Tennis Series California | 2021/09/01 21:00 | Smith, Errol v Ethan Schiffman | 4-6,6-1,5-4 |
| UTR Pro Tennis Series California | 2021/08/31 21:00 | Smith, Errol v Fabien Salle | 2-6,4-6 |
| UTR Pro Tennis Series California | 2021/08/29 21:30 | Demulling, Wyatt v Smith, Errol | 4-6,2-6 |
| ITF M25 Champaign | 2021/07/26 15:00 | Horve, Lucas v Smith, Errol | 3-6,6-2,10-6 |
| Tulsa, Singles Main, M-ITF-USA-16A | 2021/06/14 15:00 | Kirkov, Vasil v Smith, Errol | 6-4,6-4 |
| ITF M25 Wichita | 2021/06/07 15:00 | Smith, Errol v Murphy Cassone | 1-6,3-6 |
| ITF - M25 Pensacola | 2021/05/17 17:30 | Hands, Tom v Smith, Errol | 1-6,7-6,10-3 |
| Las Vegas, Singles M-ITF-USA-07A | 2020/03/04 22:30 | Smith, Errol v Blumenberg, Alex | 4-6,6-2,4-6 |
| UTR Pro Tennis Series California | 2021/08/31 18:00 | Tristan Boyer v Jonah Wilson | 6-3,6-1 |
| UTR Pro Tennis Series California | 2021/08/29 15:00 | Jonah Wilson v Ryan Nuno | 5-7,6-3,6-2 |