Stadium: Court 3 Round: 54 Ground: Hardcourt outdoor
| ITF M15 Fayetteville | 2020/11/03 19:00 | Nathan Ponwith v Brandon Holt | 2-6,4-6 |
| Orlando, Singles M-ITF-USA-38B | 2019/11/12 19:00 | Moundir, Adam v Nathan Ponwith | 4-6,7-6,6-4 |
| Challenger Knoxville | 2019/11/05 17:20 | King, Evan v Nathan Ponwith | 5-7,6-4,6-2 |
| Fort Worth, Singles Qualifying M-ITF-USA-42A | 2019/10/25 19:30 | Perez, Alfredo v Nathan Ponwith | 7-6,7-5 |
| Fort Worth, Singles Qualifying M-ITF-USA-42A | 2019/10/24 18:05 | Nathan Ponwith v Jack Draper | 6-3,6-4 |
| Fort Worth, Singles Qualifying M-ITF-USA-42A | 2019/10/23 15:00 | Nathan Ponwith v Aidan Mchugh | 6-2,6-3 |
| ITF M25 Norman | 2019/10/03 15:00 | Papa, Spencer v Nathan Ponwith | 6-2,7-6 |
| ITF M25 Norman | 2019/10/02 15:00 | Nathan Ponwith v Nanda, Govind | 6-4,4-6,6-2 |
| ITF M25 Wichita | 2021/06/07 15:00 | Matt Kuhar v Joshua Sheehy | 6-4,7-6 |
| UTR Pro Tennis Series California | 2021/05/23 15:00 | Kyle Kang v Joshua Sheehy | 7-5,6-3 |
| UTR Pro Tennis Series Cancun | 2021/04/03 15:00 | Joshua Sheehy v Drew Van Orderlain | 6-2,6-4 |
| UTR Pro Tennis Series Cancun | 2021/04/01 14:30 | Joshua Sheehy v Wilson Leite | 6-7,6-4,5-6 |
| UTR Pro Tennis Series Cancun | 2021/03/31 15:00 | Joshua Sheehy v Jean-Baptiste Badon | 6-4,7-5 |
| UTR Pro Tennis Series Cancun | 2021/03/30 13:00 | Joshua Sheehy v Juan Sebastian Gomez | 2-6,1-5 |
| UTR Pro Tennis Series Cancun | 2021/03/29 13:30 | Joshua Sheehy v Brymer, Gage | 6-7,0-6 |
| UTR Pro Tennis Series Florida | 2021/03/14 14:30 | Harris Walker v Joshua Sheehy | 7-6,5-4 |