| UTR Pro Tennis Series Atlanta | 2021/07/15 15:00 | Yatsuk, Ivan v Shubladze, Vazha | 4-6,7-6,6-0 |
| UTR Pro Tennis Series Atlanta | 2021/07/11 20:45 | Yatsuk, Ivan v William Mroz Mroz | 3-6,7-6,4-5 |
| UTR Pro Tennis Series Florida | 2021/06/12 13:30 | Tristan McCormick v Yatsuk, Ivan | 4-6,6-4,7-6 |
| UTR Pro Tennis Series Florida | 2021/06/11 16:00 | Harper, Cleeve v Yatsuk, Ivan | 7-5,6-7,4-6 |
| UTR Pro Tennis Series Florida | 2021/06/10 17:30 | Cavero, Jorge v Yatsuk, Ivan | 6-7,4-5 |
| UTR Pro Tennis Series Florida | 2021/06/08 17:30 | Cooper Williams v Yatsuk, Ivan | 3-6,5-6 |
| UTR Pro Tennis Series Florida | 2021/06/07 14:30 | Yatsuk, Ivan v Andres Martin | 4-6,3-6 |
| UTR Pro Tennis Series Florida | 2021/06/06 14:30 | Andres Martin v Yatsuk, Ivan | 5-7,6-7 |
| UTR Pro Tennis Series Atlanta | 2021/07/15 18:00 | William Mroz Mroz v Gonzalo Villanueva | 3-6,4-5 |
| UTR Pro Tennis Series Atlanta | 2021/07/12 13:30 | Shubladze, Vazha v Gonzalo Villanueva | 6-1,6-2 |
| UTR Pro Tennis Series Atlanta | 2021/07/10 13:30 | Gonzalo Villanueva v Rogers, Andrew | 6-2,3-6,4-5 |
| UTR Pro Tennis Series Atlanta | 2021/07/08 12:00 | Gonzalo Villanueva v Panta Herreros, Jorge Brian | 6-3,6-1 |
| UTR Pro Tennis Series Atlanta | 2021/07/07 12:00 | Rubell, Samuel v Gonzalo Villanueva | 4-6,3-6 |
| UTR Pro Tennis Series Atlanta | 2021/07/05 16:30 | Gonzalo Villanueva v Jake Krug | 6-4,5-4 |
| Weston, FL, Singles M-ITF-USA-05A | 2021/07/04 15:00 | Gonzalo Villanueva v Liam Draxl | 4-6,6-3,3-6 |
| Weston, FL, Singles M-ITF-USA-05A | 2021/07/03 14:00 | Cannon Kingsley v Gonzalo Villanueva | 4-6,7-6,2-6 |