Stadium: Court 3 Round: 29 Ground: Hardcourt indoor
| ITF - East Lansing M15 | 2021/11/20 19:55 | Raymond Sarmiento v Alexander Brown | 6-1,5-7,6-4 |
| ITF - East Lansing M15 | 2021/11/19 20:00 | Raymond Sarmiento v Sebastian Gima | 6-2,6-4 |
| ITF - East Lansing M15 | 2021/11/18 18:00 | Raymond Sarmiento v Shunsuke Mitsui | 4-6,6-2,7-6 |
| ITF - East Lansing M15 | 2021/11/16 18:00 | Raymond Sarmiento v Yasha Zemel | 6-3,6-4 |
| ITF - Calabasas M25 | 2021/10/27 17:00 | Raymond Sarmiento v Connor Farren | 6-7,6-7 |
| UTR Pro Tennis Series - Kalifornia | 2021/08/29 18:00 | Tristan Boyer v Raymond Sarmiento | 6-3,6-4 |
| UTR Pro Tennis Series - Kalifornia | 2021/08/28 18:00 | Kyle Kang v Raymond Sarmiento | 6-7,4-6 |
| UTR Pro Tennis Series - Kalifornia | 2021/08/27 19:30 | Sema Pankin v Raymond Sarmiento | 4-6,3-6 |
| ITF - East Lansing M15 | 2021/11/20 16:55 | Alex Knaff v Gabriel Diallo | 2-6,7-6,2-6 |
| ITF - East Lansing M15 | 2021/11/19 20:55 | Gabriel Diallo v Matt Kuhar | 6-3,6-4 |
| ITF - East Lansing M15 | 2021/11/18 21:50 | Gabriel Diallo v Andres Andrade | 7-6,7-5 |
| ITF - East Lansing M15 | 2021/11/16 18:00 | Jeffrey Von Der Schulenburg v Gabriel Diallo | 1-6,2-6 |
| Challenger Lexington | 2021/07/25 15:00 | Darian King v Gabriel Diallo | 6-2,3-6,6-3 |
| ITF - Champaign M15 | 2021/06/27 15:00 | Jason Kubler v Gabriel Diallo | 6-2,6-1 |
| ITF - Champaign M15 | 2021/06/26 15:00 | Gabriel Diallo v Kyle Seelig | 6-4,6-3 |
| ITF - Champaign M15 | 2021/06/25 17:00 | Gabriel Diallo v Khololwam Montsi | 7-5,6-3 |