Stadium: Court 5 Round: 54 Ground: Hardcourt indoor
| ITF M15 East Lansing | 2019/11/17 15:00 | Tanner K Smith v Jonathan Sorbo | 6-0,6-3 |
| ITF M15 Fayetteville | 2019/09/15 17:30 | Jonathan Sorbo v Kiranpal Pannu | 2-6,4-6 |
| ITF M25 Edwardsville | 2019/08/06 16:40 | Alexander Klintcharov v Jonathan Sorbo | 7-6,6-3 |
| ITF M25 Edwardsville | 2019/08/05 14:00 | Eric Morris v Jonathan Sorbo | 2-6,4-6 |
| ITF M25 Iowa City | 2019/07/15 15:00 | Jonathan Sorbo v Vuk Budic | 2-6,2-6 |
| ITF M15 Norman | 2019/07/10 14:00 | Vasile-Alexandru Ghilea v Jonathan Sorbo | 6-4,6-2 |
| ITF M15 Norman | 2019/07/09 14:00 | Jonathan Sorbo v Juan Jose Mateus Rubiano | 6-3,7-6 |
| ITF M15 Pittsburgh | 2019/07/02 14:00 | Robert Cash v Jonathan Sorbo | 6-4,4-6,10-7 |
| UTR Pro Tennis Series Florida | 2021/03/13 15:30 | Michael Zheng v Cristian C. Rodriguez Sanchez | 1-6,2-5 |
| UTR Pro Tennis Series Florida | 2021/03/12 18:30 | Sekou Bangoura v Michael Zheng | 6-1,4-6,4-5 |
| UTR Pro Tennis Series Florida | 2021/03/11 17:50 | Harris Walker v Michael Zheng | 4-6,6-7 |
| UTR Pro Tennis Series Florida | 2021/03/09 15:30 | Connor Krug v Michael Zheng | 6-4,3-6,5-2 |
| UTR Pro Tennis Series Florida | 2021/03/08 14:00 | Michael Zheng v Raphael Termat | 6-2,5-2 |