| UTR Pro Tennis Series Atlanta | 2021/07/06 12:00 | Samuel Rubell v Jake Krug | 2-6,3-5 |
| UTR Pro Tennis Series Atlanta | 2021/07/04 12:00 | Samuel Rubell v Vazha Shubladze | 7-6,6-3 |
| ITF M15 Norman | 2019/07/10 14:00 | Ronan Jachuck v Samuel Rubell | 6-2,6-3 |
| ITF Panama F4 | 2018/11/20 16:35 | Samuel Rubell v Conner Huertas Del Pino | 5-7,3-6 |
| ITF USA F32 | 2018/11/10 16:00 | Samuel Rubell v Rowland Phillips | 3-6,2-6 |
| ITF USA F24 | 2018/09/07 17:00 | Samuel Rubell v Ryder Jackson | 4-6,2-6 |
| ITF USA F11 | 2018/04/15 13:00 | Samuel Rubell v Daniel Fainblum | 4-6,0-6 |
| ITF USA F6 | 2018/01/26 19:30 | Brian Bencic v Samuel Rubell | 6-2,3-6,6-3 |
| 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 |