Stadium: Court C Round: 62 Ground: Hardcourt outdoor
| Challenger Busan | 2023/05/08 04:30 | Yasutaka Uchiyama v Ji Hoon Son | 7-6,3-6,6-1 |
| Challenger Busan | 2023/05/07 07:00 | Ji Hoon Son v Egor Gerasimov | 6-4,0-6,6-1 |
| ITF M15 Sharm El Sheikh | 2023/02/27 10:00 | Gabriele Bosio v Ji Hoon Son | 6-3,7-6 |
| ITF M15 Sharm El Sheikh | 2023/02/21 08:00 | Marat Sharipov v Ji Hoon Son | 6-2,6-2 |
| ITF M15 Sharm El Sheikh | 2023/02/20 09:00 | Ioannis Kountourakis v Ji Hoon Son | 3-6,1-6 |
| ITF M15 Sharm El Sheikh | 2023/02/19 08:00 | Saveliy Ivanov v Ji Hoon Son | 3-6,3-6 |
| ITF M15 Sharm El Sheikh | 2023/02/12 10:00 | Ji Hoon Son v Pablo Trochu | 4-6,6-4,5-10 |
| ITF M15 Sharm El Sheikh | 2023/02/09 08:00 | Ji Hoon Son v Daniele Capecchi | 7-6,6-7,2-6 |
| ITF M15 Daegu | 2022/08/29 09:30 | Sora Fukuda v Suk Hyun Choo | 6-4,6-1 |
| ITF M15 Daegu | 2022/08/29 06:00 | Suk Hyun Choo v Seung Heon Hong | 3-6,6-1,10-4 |
| ITF M15 Changwon | 2022/08/24 05:55 | Ajeet Rai v Suk Hyun Choo | 6-2,6-4 |
| ITF M15 Changwon | 2022/08/22 06:30 | Alexander Babanine v Suk Hyun Choo | 2-6,4-6 |
| ITF M15 Changwon | 2022/08/21 03:30 | Chan-Yeong Oh v Suk Hyun Choo | 6-2,3-6,7-10 |
| ITF M15 Anseong | 2022/08/18 02:35 | Jae Hwan Kim v Suk Hyun Choo | 6-2,6-3 |
| ITF M15 Anseong | 2022/08/17 01:00 | Suk Hyun Choo v Ko Suzuki | 6-2,6-2 |
| ITF M15 Anseong | 2022/08/15 02:00 | Suk Hyun Choo v Homin Kwag | 7-6,6-3 |