Stadium: Court 3 Round: 54 Ground: Hardcourt indoor
| ITF M15 Tallahassee | 2021/10/25 13:00 | Yasha Zemel v Michael Zheng | 3-6,4-6 |
| ITF M15 Vero Beach | 2021/10/21 17:00 | Michael Zheng v Ezekiel Clark | 2-6,4-6 |
| ITF M15 Vero Beach | 2021/10/20 16:00 | Michael Zheng v Reece Falck | 7-5,6-1 |
| ITF M15 Weston | 2021/07/02 14:45 | Federico Agustin Gomez v Michael Zheng | 6-4,6-4 |
| ITF M25 Weston | 2021/06/29 22:45 | Michael Zheng v Cleeve Harper | 6-3,6-3 |
| ITF M25 Weston | 2021/06/29 20:45 | Garrett Johns v Michael Zheng | 4-6,6-3,8-10 |
| ITF M15 Champaign | 2021/06/22 15:00 | Nathan Ponwith v Michael Zheng | 6-3,6-1 |
| ITF M15 Champaign | 2021/06/21 15:00 | Michael Zheng v Joshua Peck | 6-3,6-4 |
| ITF M15 Cancun | 2021/10/07 20:05 | Matt Kuhar v Christian Langmo | 5-7,0-6 |
| ITF M15 Cancun | 2021/10/06 22:10 | Matt Kuhar v Julian Messina | 6-0,6-0 |
| ITF M15 Cancun | 2021/10/05 14:00 | Matt Kuhar v Nikolas Moceanu | 6-4,6-4 |
| ITF M15 Cancun | 2021/10/04 16:30 | Mateo Gomez v Matt Kuhar | 4-6,6-3,2-10 |
| ITF M15 Cancun | 2021/09/28 14:00 | Emil Reinberg v Matt Kuhar | 6-3,2-6,10-5 |
| ITF M15 Cancun | 2021/09/27 14:30 | Matt Kuhar v Nicholas Bybel | 7-5,6-2 |
| ITF M15 Cancun | 2021/09/26 15:00 | Jorge Alejandro Olaya v Matt Kuhar | 3-6,2-6 |
| UTR Pro Tennis Series Dallas | 2021/08/07 15:00 | Matt Kuhar v Elijah Poritzky | 3-6,0-0 |