Stadium: Court 3 Round: 28 Ground: Hardcourt indoor
| Challenger Cleveland | 2020/02/10 18:45 | Alexander Brown v Raymond Sarmiento | 4-6,2-6 |
| ITF M15 East Lansing | 2021/11/19 20:00 | Raymond Sarmiento v Sebastian Gima | 6-2,6-4 |
| ITF M15 East Lansing | 2021/11/18 18:00 | Raymond Sarmiento v Shunsuke Mitsui | 4-6,6-2,7-6 |
| ITF M15 East Lansing | 2021/11/16 18:00 | Raymond Sarmiento v Yasha Zemel | 6-3,6-4 |
| ITF M25 Calabasas | 2021/10/27 17:00 | Raymond Sarmiento v Connor Farren | 6-7,6-7 |
| UTR Pro Tennis Series California | 2021/08/29 18:00 | Tristan Boyer v Raymond Sarmiento | 6-3,6-4 |
| UTR Pro Tennis Series California | 2021/08/28 18:00 | Kyle Kang v Raymond Sarmiento | 6-7,4-6 |
| UTR Pro Tennis Series California | 2021/08/27 19:30 | Sema Pankin v Raymond Sarmiento | 4-6,3-6 |
| UTR Pro Tennis Series California | 2021/08/24 19:30 | Kris Van Wyk v Raymond Sarmiento | 4-6,1-6 |
| 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 |
| ITF M25 Champaign | 2021/07/26 15:00 | Alexander Brown v Bruno Kuzuhara | 4-6,6-2,6-10 |