Stadium: Center Court Round: 19 Ground: Hardcourt outdoor
| Challenger Seoul | 2023/04/23 05:30 | Tatsuma Ito v Dominik Palan | 6-4,6-2 |
| Challenger - Morelos | 2023/04/19 19:45 | Vitaliy Sachko v Dominik Palan | 6-3,6-2 |
| Challenger - Morelos | 2023/04/17 22:40 | Dominik Palan v Renzo Olivo | 6-4,1-6,6-3 |
| Challenger Leon | 2023/04/10 18:00 | Dominik Palan v Nick Chappell | 3-6,6-7 |
| Challenger Leon | 2023/04/09 17:00 | Dominik Palan v Luca Lemaitre | 6-4,6-4 |
| Challenger - Pune | 2023/03/04 07:30 | Luca Nardi v Dominik Palan | 7-6,1-6,7-5 |
| Challenger - Pune | 2023/03/03 06:30 | Dominik Palan v Chun Hsin Tseng | 7-6,1-6,6-3 |
| Challenger - Pune | 2023/03/01 08:25 | Dominik Palan v Sumit Nagal | 4-6,6-3,6-4 |
| Challenger - Gwangju | 2023/04/30 01:30 | Nam, Ji Sung v Ajeet Rai | 5-7,6-1,6-2 |
| Challenger Seoul | 2023/04/26 02:00 | Max Purcell v Nam, Ji Sung | 6-3,6-4 |
| Challenger Seoul | 2023/04/24 02:00 | Nam, Ji Sung v Shinji Hazawa | 6-2,6-4 |
| Challenger Seoul | 2023/04/23 02:00 | Hiroki Moriya v Nam, Ji Sung | 2-6,2-6 |
| Challenger - Madrid | 2023/04/09 09:00 | Nam, Ji Sung v Viktor Durasovic | 6-4,6-7,6-7 |
| Challenger Murcia | 2023/04/03 09:00 | Nam, Ji Sung v Edas Butvilas | 6-2,3-6,1-6 |
| Challenger Murcia | 2023/04/02 09:00 | Daniel Rincon v Nam, Ji Sung | 3-6,2-6 |
| Challenger - Lille | 2023/03/26 11:00 | Nam, Ji Sung v Beibit Zhukayev | 1-6,7-6,3-6 |