Stadium: Stadium Round: 29 Ground: Hardcourt outdoor
| ITF M25 Malibu | 2023/01/03 20:00 | Alex Michelsen v Nathan Ponwith | 6-2,7-6 |
| Challenger Fairfield | 2022/10/09 21:00 | Alex Michelsen v Nathan Ponwith | 6-1,6-4 |
| ITF M25 Calabasas | 2023/03/25 19:50 | Alex Michelsen v Luke Saville | 6-2,6-1 |
| ITF M25 Calabasas | 2023/03/24 16:55 | Alex Michelsen v Kris Van Wyk | 7-5,7-6 |
| ITF M25 Calabasas | 2023/03/23 22:20 | Alex Michelsen v Murphy Cassone | 6-4,6-4 |
| ITF M25 Calabasas | 2023/03/23 18:00 | Alex Michelsen v Colin Markes | 6-3,6-2 |
| ITF M25 Bakersfield | 2023/03/18 22:50 | Alex Michelsen v Kyle Kang | 2-6,1-6 |
| ITF M25 Bakersfield | 2023/03/17 18:00 | Alex Michelsen v Naoki Nakagawa | 6-4,6-1 |
| ITF M25 Bakersfield | 2023/03/16 19:20 | Alex Michelsen v Hudson Rivera | 6-2,6-2 |
| ITF M25 Bakersfield | 2023/03/16 02:40 | Alex Michelsen v Finn Reynolds | 6-3,6-2 |
| ITF M25 Calabasas | 2023/03/25 20:00 | Toby Alex Kodat v Nathan Ponwith | 2-6,0-6 |
| ITF M25 Calabasas | 2023/03/24 20:15 | Nathan Ponwith v Andrew Rogers | 6-7,6-4,6-2 |
| ITF M25 Calabasas | 2023/03/24 02:15 | Nathan Ponwith v Hudson Rivera | 6-2,3-6,10-6 |
| ITF M25 Calabasas | 2023/03/23 17:00 | Nathan Ponwith v Cooper Williams | 7-6,7-6 |
| Challenger Phoenix | 2023/03/14 17:00 | Nathan Ponwith v Emilio Nava | 3-6,4-6 |
| Challenger Phoenix | 2023/03/13 17:00 | Yosuke Watanuki v Nathan Ponwith | 6-7,2-6 |
| Challenger Waco | 2023/02/26 21:15 | Nathan Ponwith v Denis Yevseyev | 2-6,3-6 |
| Challenger Rome GA | 2023/02/23 16:00 | Edan Leshem v Nathan Ponwith | 6-3,6-2 |