Stadium: Cancha 2 Round: 27 Ground: Clay
| Challenger Cali MD | 2023/06/20 21:35 | Nam/Sitak v Melzer/Rehberg | 1-6,6-4,13-11 |
| Challenger Palmas del Mar MD | 2023/06/16 19:30 | Matsui/Uesugi v Nam/Sitak | 6-4,7-5 |
| Challenger Palmas del Mar MD | 2023/06/15 20:50 | Alves/Heide v Nam/Sitak | 1-6,7-6,8-10 |
| Challenger Palmas del Mar MD | 2023/06/14 19:00 | Diez/Galarneau v Nam/Sitak | 4-6,5-7 |
| Challenger Tyler MD | 2023/06/08 01:15 | Nam/Sitak v Collier/Valiev | 3-6,4-6 |
| Challenger Little Rock MD | 2023/06/03 21:25 | Nam/Sitak v Galarneau/Moreno De Alboran | 6-4,6-4 |
| Challenger Little Rock MD | 2023/06/02 23:25 | Nam/Sitak v Lawson/Pervolarakis | 7-6,6-2 |
| Challenger Little Rock MD | 2023/06/01 21:30 | Mansouri/Statham v Nam/Sitak | 4-6,6-7 |
| Challenger Cali MD | 2023/06/21 23:40 | Pena/Rodriguez Rodriguez v Heide/Reis da Silva | 2-6,4-6 |