Stadium: Court D Round: 25 Ground: Hardcourt outdoor
| ITF M25 Mataro | 2023/05/24 11:05 | Gianmarco Ferrari v Rimpei Kawakami | 4-6,6-2,6-3 |
| ITF M25 Gurb | 2023/05/17 08:00 | Rimpei Kawakami v Noah Lopez | 6-4,6-7,4-6 |
| ITF M25 Valldoreix | 2023/05/11 11:20 | Rimpei Kawakami v Nikolas Sanchez Izquierdo | 2-6,4-6 |
| ITF M25 Valldoreix | 2023/05/10 12:05 | Rimpei Kawakami v Diego A B Sanchez | 6-4,5-7,7-5 |
| ITF M25 Kashiwa | 2023/04/07 00:50 | Rimpei Kawakami v Renta Tokuda | 3-6,3-6 |
| ITF M25 Kashiwa | 2023/04/06 01:30 | Rimpei Kawakami v Yuttana Charoenphon | 7-6,6-2 |
| ITF M25 Kashiwa | 2023/04/05 02:40 | Rimpei Kawakami v Hiroyasu Ehara | 6-0,6-0 |
| ITF M25 Tsukuba | 2023/03/30 02:45 | Rimpei Kawakami v Tatsuma Ito | 6-1,1-6,0-6 |
| ITF M25 Changwon | 2023/06/12 05:45 | Ji Hoon Son v Suk Hyun Choo | 6-3,6-3 |
| ITF M25 Changwon | 2023/06/11 02:30 | Ji Hoon Son v Giovanni Agostinetto | 6-2,6-3 |
| ITF M25 Daegu | 2023/06/06 03:55 | Minjong Park v Ji Hoon Son | 6-3,3-6,6-1 |
| 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 |