Stadium: Court 1 Round: 62 Ground: Hardcourt outdoor
| ITF - M25 Anseong | 2023/06/18 01:00 | Ko Suzuki v Ki Bum Kim | 6-2,6-4 |
| ITF - M15 Karuizawa | 2023/06/01 00:30 | Kazuma Kawachi v Ko Suzuki | 6-2,1-6,7-5 |
| ITF - M15 Karuizawa | 2023/05/31 01:00 | Ko Suzuki v Yamato Sueoka | 7-5,6-7,6-4 |
| ITF - M15 Karuizawa | 2023/05/30 03:00 | Ko Suzuki v Yusuke Kusuhara | 7-6,4-6,10-8 |
| ITF - M25 Kashiwa | 2023/04/02 00:30 | Ko Suzuki v Taiyo Yamanaka | 1-6,6-3,11-13 |
| ITF - M25 Tsukuba | 2023/03/29 04:15 | Hiroki Moriya v Ko Suzuki | 6-3,6-1 |
| ITF - M25 Tsukuba | 2023/03/27 05:30 | Ko Suzuki v Shunsuke Nakagawa | 6-2,6-4 |
| ITF - M25 Tsukuba | 2023/03/27 00:30 | Yuttana Charoenphon v Ko Suzuki | 2-6,2-6 |
| ITF - M25 Changwon | 2023/06/13 01:00 | Taisei Ichikawa v Min Seong Kim | 6-2,6-1 |
| ITF - M25 Daegu | 2023/06/06 06:05 | Yuki Mochizuki v Min Seong Kim | 6-4,6-4 |
| ITF - M15 Sharm El Sheikh | 2023/03/12 13:00 | Min Seong Kim v Francois Van Wyk | 6-3,6-2 |
| ITF - M15 Sharm El Sheikh | 2023/03/06 10:00 | Min Seong Kim v Mark Wallner | 4-6,2-6 |
| ITF - M15 Sharm El Sheikh | 2023/03/05 11:30 | Hong-Lin Fu v Min Seong Kim | 5-7,4-6 |
| ITF - M15 Sharm El Sheikh | 2023/02/26 11:30 | Gabriele Moghini v Min Seong Kim | 6-4,6-1 |
| ITF - M15 Monastir | 2022/11/27 11:00 | Olivier Rojas v Min Seong Kim | 6-4,4-3 |
| ITF - M15 Monastir | 2022/11/20 08:30 | Lazar Milicevic v Min Seong Kim | 6-1,6-0 |