| UTR Pro Tennis Series Florida | 2021/06/12 13:30 | Tristan McCormick v Ivan Yatsuk | 4-6,6-4,7-6 |
| UTR Pro Tennis Series Florida | 2021/06/11 16:00 | Cleeve Harper v Ivan Yatsuk | 7-5,6-7,4-6 |
| UTR Pro Tennis Series Florida | 2021/06/10 17:30 | Jorge Cavero v Ivan Yatsuk | 6-7,4-5 |
| UTR Pro Tennis Series Florida | 2021/06/08 17:30 | Cooper Williams v Ivan Yatsuk | 3-6,5-6 |
| UTR Pro Tennis Series Florida | 2021/06/07 14:30 | Ivan Yatsuk v Andres Martin | 4-6,3-6 |
| UTR Pro Tennis Series Florida | 2021/06/06 14:30 | Andres Martin v Ivan Yatsuk | 5-7,6-7 |
| UTR Pro Tennis Series Florida | 2021/06/05 16:30 | Finn Bass v Ivan Yatsuk | 3-6,6-7 |
| UTR Pro Tennis Series Florida | 2021/06/04 15:00 | Ivan Yatsuk v Adam Walton | 6-7,6-7 |
| UTR Pro Tennis Series Atlanta | 2021/07/05 16:30 | Gonzalo Villanueva v Jake Krug | 6-4,5-4 |
| ITF M15 Weston | 2021/07/04 15:00 | Gonzalo Villanueva v Liam Draxl | 4-6,6-3,3-6 |
| ITF M15 Weston | 2021/07/03 14:00 | Cannon Kingsley v Gonzalo Villanueva | 4-6,7-6,2-6 |
| ITF M15 Weston | 2021/07/02 19:15 | Axel Nefve v Gonzalo Villanueva | 6-2,1-6,8-10 |
| ITF M15 Weston | 2021/07/01 21:10 | Kyle Seelig v Gonzalo Villanueva | 6-3,6-7,6-7 |
| ITF M15 Weston | 2021/07/01 15:25 | Kyle Seelig v Gonzalo Villanueva | 6-3,6-7,6-7 |
| ITF M15 Champaign | 2021/06/23 17:15 | Gonzalo Villanueva v Kweisi Kenyatte | 6-3,6-7,4-6 |
| ITF M25 Tulsa | 2021/06/17 13:55 | Gonzalo Villanueva v Gage Brymer | 4-6,3-6 |