| ITF M15 East Lansing | 2021/11/20 19:55 | Raymond Sarmiento v Alexander Brown | 6-1,5-7,6-4 |
| ITF M15 East Lansing | 2021/11/19 17:55 | Alexander Brown v Nino Ehrenschneider | 6-4,1-6,6-3 |
| ITF M15 East Lansing | 2021/11/18 18:00 | Alexander Brown v Garrett Johns | 6-4,1-6,6-1 |
| ITF M15 East Lansing | 2021/11/17 18:00 | Alexander Brown v Niroop Vallabhaneni | 6-4,6-4 |
| Challenger Knoxville | 2021/11/07 20:00 | Alexander Brown v Donald Young | 3-6,6-3,3-6 |
| ITF M15 Fayetteville | 2021/09/21 17:00 | Alexander Brown v Liam Draxl | 3-6,3-6 |
| ITF M15 Champaign | 2021/09/15 17:05 | Alexander Brown v A.J Catanzariti | 1-6,2-6 |
| ITF M25 Decatur | 2021/08/02 15:00 | Nicholas Bybel v Alexander Brown | 6-4,6-1 |
| UTR Pro Tennis Series Florida | 2021/12/18 19:25 | Logan Zapp v Martim L Prata | 6-3,3-6,5-7 |
| UTR Pro Tennis Series Florida | 2021/12/17 17:30 | Logan Zapp v Juan David Velasquez | 6-2,3-6,6-5 |
| UTR Pro Tennis Series Florida | 2021/12/15 14:00 | Logan Zapp v Presley Thieneman | 6-2,6-2 |
| UTR Pro Tennis Series Florida | 2021/12/14 18:05 | Logan Zapp v Adam Walton | 1-6,1-6 |
| UTR Pro Tennis Series Florida | 2021/12/13 20:45 | Noah Schachter v Logan Zapp | 6-4,7-6 |
| UTR Pro Tennis Series Florida | 2020/12/17 16:00 | Ivan Yatsuk v Logan Zapp | 7-6,6-5 |
| UTR Pro Tennis Series Florida | 2020/12/16 14:00 | Logan Zapp v Ramkumar Ramanathan | 1-6,2-6 |
| UTR Pro Tennis Series Florida | 2020/12/15 15:30 | Alexander Bernard v Logan Zapp | 6-1,6-1 |