Stadium: Court 3 Round: 29 Ground: Hardcourt indoor
| 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 |
| UTR Pro Tennis Series California | 2020/09/28 19:35 | Raymond Sarmiento v Alec Adamson | 6-3,6-3 |
| Challenger Lexington | 2021/07/25 15:00 | Darian King v Gabriel Diallo | 6-2,3-6,6-3 |
| ITF M15 Champaign | 2021/06/27 15:00 | Jason Kubler v Gabriel Diallo | 6-2,6-1 |
| ITF M15 Champaign | 2021/06/26 15:00 | Gabriel Diallo v Kyle Seelig | 6-4,6-3 |
| ITF M15 Champaign | 2021/06/25 17:00 | Gabriel Diallo v Khololwam Montsi | 7-5,6-3 |
| ITF M15 Champaign | 2021/06/24 15:00 | Genaro Alberto Olivieri v Gabriel Diallo | 3-6,6-7 |
| ITF M15 Champaign | 2021/06/23 19:05 | Benjamin Sigouin v Gabriel Diallo | 3-6,2-6 |
| ITF M15 Champaign | 2021/06/22 15:00 | Peter Bertran v Gabriel Diallo | 1-6,0-6 |
| ITF M15 Champaign | 2021/06/21 15:00 | Gabriel Diallo v Nicaise Muamba | 7-5,6-3 |