| UTR Pro Tennis Series Nevada | 2021/06/21 15:00 | Nicholas Heng v Alexander Stater | 0-6,6-3,6-3 |
| UTR Pro Tennis Series California | 2021/05/30 18:35 | Connor Farren v Alexander Stater | 7-5,6-4 |
| UTR Pro Tennis Series California | 2021/05/29 16:30 | Rohan Murali v Alexander Stater | 2-4 |
| UTR Pro Tennis Series California | 2021/05/28 18:00 | Julian Steinhausen v Alexander Stater | 6-3,2-6,2-5 |
| UTR Pro Tennis Series California | 2021/05/26 21:00 | Gabriel Evans v Alexander Stater | 2-6,2-6 |
| UTR Pro Tennis Series California | 2021/05/25 18:45 | Joshua Ortlip v Alexander Stater | 6-2,6-4 |
| UTR Pro Tennis Series California | 2021/05/24 19:30 | Spencer Johnson v Alexander Stater | 6-4,5-7,6-7 |
| UTR Pro Tennis Series California | 2021/05/23 15:00 | Alexander Stater v Lawee Sherif | 3-2 |
| ITF M25 Tulsa | 2021/06/19 13:55 | Nicolas Barrientos v Nicolas Kicker | 6-1,2-6,1-6 |
| ITF M25 Tulsa | 2021/06/18 16:00 | Nicolas Barrientos v Ezekiel Clark | 4-6,6-0,7-6 |
| ITF M25 Tulsa | 2021/06/17 16:20 | Hiroki Moriya v Nicolas Barrientos | 1-6,3-6 |
| ITF M25 Tulsa | 2021/06/16 23:30 | Trent Bryde v Nicolas Barrientos | 3-6,3-6 |
| ITF M25 Tulsa | 2021/06/15 14:00 | Gage Brymer v Nicolas Barrientos | 5-7,5-7 |
| ITF M25 Tulsa | 2021/06/14 15:00 | Juan Carlos Aguilar v Nicolas Barrientos | 3-6,3-6 |
| UTR Pro Tennis Series California | 2021/05/30 15:00 | Kyle Kang v Nicolas Barrientos | 2-6,6-2,3-6 |
| UTR Pro Tennis Series California | 2021/05/29 15:00 | Joshua Ortlip v Nicolas Barrientos | 1-6,7-6,2-5 |