Stadium: Court 4 Round: 14 Ground: Hardcourt outdoor
| ITF M15 San Diego | 2022/06/10 16:55 | Gage Brymer v Nathan Ponwith | 4-6,4-6 |
| ITF USA F1 Qual | 2018/01/01 18:30 | Gage Brymer v Nathan Ponwith | 6-4,6-4 |
| ITF M25 Southaven | 2023/08/10 20:30 | Gage Brymer v Keshav Chopra | 3-6,1-6 |
| ITF M25 Southaven | 2023/08/09 18:30 | Gage Brymer v David Saye | 6-3,6-2 |
| ATP Washington | 2023/07/29 19:00 | Juncheng Shang v Gage Brymer | 6-3,6-2 |
| ITF M25 Edwardsville | 2023/07/25 17:30 | Gage Brymer v Jaimee Floyd Angele | 4-6,1-6 |
| ATP Newport | 2023/07/17 15:00 | Gage Brymer v Yunseong Chung | 3-6,6-7 |
| ITF M15 Lakewood | 2023/07/13 19:20 | Gage Brymer v Derek Pham | 5-7,3-6 |
| ITF M15 Lakewood | 2023/07/12 21:15 | Gage Brymer v Isaiah Strode | 4-6,7-6,6-1 |
| ITF M15 Lakewood | 2023/07/06 16:50 | Keegan Smith v Gage Brymer | 3-6,6-3,6-2 |
| Challenger Cary | 2023/08/07 16:00 | Quinn Vandecasteele v Nathan Ponwith | 6-4,6-2 |
| Challenger Cary | 2023/08/06 16:40 | Joseph Wayand v Nathan Ponwith | 4-6,2-6 |
| Challenger Lexington | 2023/08/01 18:40 | Nathan Ponwith v Aidan Mayo | 4-6,1-6 |
| Challenger Salinas | 2023/07/24 16:40 | Nathan Ponwith v Alexander Bernard | 2-6,5-7 |
| Challenger Granby | 2023/07/18 18:05 | James Trotter v Nathan Ponwith | 6-3,7-6 |
| Challenger Granby | 2023/07/17 14:00 | Patrick Kypson v Nathan Ponwith | 6-3,7-5 |
| Challenger Granby | 2023/07/16 19:10 | Marko Stakusic v Nathan Ponwith | 4-6,4-6 |
| Challenger Chicago | 2023/07/09 17:20 | Nathan Ponwith v Christian Langmo | 4-6,5-7 |