Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| Challenger Busan | 2023/05/07 08:45 | Yasutaka Uchiyama v Young Seok Kim | 6-3,6-1 |
| Challenger Seoul | 2023/04/23 04:30 | Yasutaka Uchiyama v Young Seok Kim | 6-1,6-0 |
| ITF M15 Antalya | 2023/04/12 11:00 | Young Seok Kim v Maxime Chazal | 4-6,3-6 |
| ITF M15 Nonthaburi | 2019/12/02 04:30 | Pol Wattanakul v Young Seok Kim | 6-3,6-4 |
| ITF M15 Nonthaburi Qual | 2019/12/01 08:25 | Chattarin Wareesri v Young Seok Kim | 1-6,2-6 |
| ITF M15 Nonthaburi | 2019/11/28 07:25 | Benjamin Pietri v Young Seok Kim | 6-4,6-1 |
| ITF M15 Nonthaburi | 2019/11/27 09:25 | Young Seok Kim v Congsup Congcar | 7-6,6-3 |
| ITF M15 Nonthaburi | 2019/11/26 04:30 | Soichiro Moritani v Young Seok Kim | 5-7,3-6 |
| ITF M25 Jakarta | 2023/04/24 02:20 | Yuta Kawahashi v Hanyi Liu | 3-6,0-6 |
| ITF M25 Jakarta | 2023/04/21 03:00 | Jeamoon Lee v Yuta Kawahashi | 6-4,7-5 |
| ITF M25 Jakarta | 2023/04/20 02:30 | Tomohiro Masabayashi v Yuta Kawahashi | 1-6,1-6 |
| ITF M25 Jakarta | 2023/04/17 06:25 | Kazuki Nishiwaki v Yuta Kawahashi | 4-6,4-6 |
| ITF M25 Jakarta Qual | 2023/04/16 06:00 | Jiayang Dong v Yuta Kawahashi | 1-6,2-6 |
| ITF M15 Antalya | 2023/04/11 10:05 | Juan Manuel La Serna v Yuta Kawahashi | 6-2,6-2 |
| ITF M15 Antalya | 2023/04/11 06:30 | Yuta Kawahashi v Maik Steiner | 6-3,2-6,10-6 |
| ITF M15 Antalya | 2023/04/09 06:30 | Kaya Arinc v Yuta Kawahashi | 2-6,3-6 |