| UTR Pro Tennis Series California | 2021/05/22 16:30 | Lopez, Luis Humberto v Jackson Allen | 3-6,2-6 |
| UTR Pro Tennis Series California | 2021/05/20 16:30 | Jackson Allen v Sema Pankin | 0-6,6-3,3-5 |
| UTR Pro Tennis Series California | 2021/05/19 18:00 | Jackson Allen v Sarkissian, Alexander | 6-7,3-5 |
| UTR Pro Tennis Series California | 2021/05/18 18:00 | Jackson Allen v Pavic, Ante | 6-7,4-6 |
| UTR Pro Tennis Series California | 2021/05/17 19:30 | Jackson Allen v Lawee Sherif | 6-4,6-1 |
| UTR Pro Tennis Series Atlanta | 2021/07/07 16:30 | Kiger, Mac v Young, Donald | 7-6,2-6,0-5 |
| UTR Pro Tennis Series Atlanta | 2021/07/06 12:00 | Kiger, Mac v Cenoz, Juan Pablo | 1-6,2-6 |
| UTR Pro Tennis Series Atlanta | 2021/07/05 12:00 | Kiger, Mac v Rogers, Andrew | 7-6,4-6,1-6 |
| UTR Pro Tennis Series Nevada | 2021/07/03 16:30 | Hadigian, Eric v Kiger, Mac | 0-0 |
| UTR Pro Tennis Series Nevada | 2021/07/02 18:00 | Kiger, Mac v Joshua Charlton | 6-4,3-6,2-5 |
| UTR Pro Tennis Series Nevada | 2021/07/01 15:00 | Kiger, Mac v Alejandro Quiles | 6-1,6-2 |
| UTR Pro Tennis Series Nevada | 2021/06/30 16:30 | Maxwell McKennon v Kiger, Mac | 6-4,4-6,5-2 |
| UTR Pro Tennis Series Nevada | 2021/06/29 16:30 | Song, Evan v Kiger, Mac | 6-1,5-2 |