Stadium: Court 1 Round: 25 Ground: Hardcourt indoor
| 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 |
| UTR Pro Tennis Series California | 2021/08/23 15:00 | Wyatt DeMulling v Raymond Sarmiento | 1-6,3-6 |
| UTR Pro Tennis Series California | 2021/08/22 18:00 | Alessandro-D Ventre v Raymond Sarmiento | 3-6,3-6 |
| ATP Los Cabos | 2021/07/18 00:00 | Alexander Sarkissian v Raymond Sarmiento | 6-4,6-1 |
| ITF M15 Tallahassee | 2021/10/25 13:00 | Yasha Zemel v Michael Zheng | 3-6,4-6 |
| ITF M15 Champaign | 2021/09/16 15:00 | John McNally v Yasha Zemel | 6-3,7-6 |
| ITF M15 Champaign | 2021/09/15 17:45 | Yasha Zemel v Victor Lilov | 1-6,7-6,6-4 |
| ITF M25 Idanha-A-Nova | 2021/07/20 08:00 | Yasha Zemel v Alejandro Moro Canas | 0-6,5-7 |
| ITF M25 Idanha-A-Nova | 2021/07/19 08:00 | Yasha Zemel v Manuel Almeida | 6-2,7-6 |
| ITF M25 Idanha-A-Nova | 2021/07/18 08:00 | Yasha Zemel v Digvijay Pratap Singh | 6-3,3-6,14-12 |
| ITF M25 Idanha-A-Nova | 2021/07/14 13:55 | Luis Faria v Yasha Zemel | 6-1,6-2 |
| ITF M25 Idanha-A-Nova | 2021/07/13 08:00 | Yasha Zemel v Osgar O'Hoisin | 6-4,4-6,12-10 |