Stadium: Court 5 Round: 25 Ground: Clay
| ITF M25 Wichita | 2019/06/12 17:25 | Nathan Ponwith v Ezekiel Clark | 1-6,6-1,4-6 |
| ITF M15 Champaign | 2019/06/07 23:00 | Nathan Ponwith v Ezekiel Clark | 4-6,6-3,7-5 |
| ITF M15 Naples | 2022/02/09 15:00 | Antoine Cornut-Chauvinc v Nathan Ponwith | 6-1,6-3 |
| UTR Pro Tennis Series Miami | 2022/02/05 17:00 | Nathan Ponwith v Pol Toledo Bague | 2-6,2-5 |
| UTR Pro Tennis Series Miami | 2022/02/03 14:00 | Nathan Ponwith v Oscar Mesquida Berg | 7-5,5-4 |
| UTR Pro Tennis Series Miami | 2022/01/31 16:00 | Nathan Ponwith v Luca Hotze | 6-0,5-0 |
| UTR Pro Tennis Series Miami | 2022/01/30 15:30 | Nathan Ponwith v Azuma Visaya | 6-2,6-1 |
| ITF M25 Weston | 2022/01/27 14:30 | Eduard Esteve Lobato v Nathan Ponwith | 6-3,6-1 |
| ITF M15 Santo Domingo | 2021/12/10 13:30 | Alfredo Perez v Nathan Ponwith | 6-1,6-2 |
| ITF M15 Santo Domingo | 2021/12/09 15:30 | Nathan Ponwith v Ricardo Rodriguez-Pace | 7-5,6-4 |
| ITF M15 Cancun | 2022/01/28 16:00 | Luis Patino v Ezekiel Clark | 7-5,0-6,6-4 |
| ITF M15 Cancun | 2022/01/27 18:05 | Kiranpal Pannu v Ezekiel Clark | 5-7,5-7 |
| ITF M15 Cancun | 2022/01/26 15:30 | Mathys Erhard v Ezekiel Clark | 7-6,4-6,4-6 |
| ITF M15 Cancun | 2022/01/21 15:00 | Ezekiel Clark v Matt Kuhar | 4-6,4-6 |
| ITF M15 Cancun | 2022/01/20 16:35 | Ezekiel Clark v Ivan Marrero Curbelo | 7-6,6-4 |
| ITF M15 Cancun | 2022/01/18 15:30 | Ezekiel Clark v Zakhar Trapeznikov | 6-1,6-1 |
| ITF M15 Cancun | 2021/12/17 18:00 | Isaiah Strode v Ezekiel Clark | 2-6,6-3,6-0 |
| ITF M15 Cancun | 2021/12/16 17:00 | Ezekiel Clark v Makoto Ochi | 2-6,7-5,6-1 |