stadio: Court 4 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Kashiwa | 2024/04/02 01:00 | Ji Sung Nam v Takuya Kumasaka | 7-6,3-6,6-4 |
| ITF M25 Mildura | 2024/03/12 02:05 | Alex Bolt v Ji Sung Nam | 7-6,6-2 |
| Challenger Yokkaichi | 2023/11/28 02:45 | Kaichi Uchida v Ji Sung Nam | 7-6,2-6,6-1 |
| Challenger Yokkaichi | 2023/11/27 02:15 | Ji Sung Nam v Calum Puttergill | 4-6,6-1,6-0 |
| Challenger Yokkaichi | 2023/11/26 04:10 | Fajing Sun v Ji Sung Nam | 3-6,2-6 |
| Challenger Sydney | 2023/11/03 00:00 | Ji Sung Nam v Rinky Hijikata | 7-6,5-7,6-7 |
| Challenger Sydney | 2023/11/01 23:00 | Ji Sung Nam v Dane Sweeny | 6-4,6-2 |
| Challenger Sydney | 2023/10/30 23:00 | Tristan Schoolkate v Ji Sung Nam | 6-7,4-6 |
| ITF M15 Kashiwa | 2024/04/03 04:05 | Masamichi Imamura v Yuki Mochizuki | 7-5,6-1 |
| ITF M15 Kashiwa | 2024/04/01 06:00 | Leo Vithoontien v Masamichi Imamura | 5-7,6-7 |
| ITF M15 Tsukuba | 2024/03/25 06:00 | Daisuke Sumizawa v Masamichi Imamura | 6-3,6-4 |
| ITF M15 Tsukuba | 2024/03/24 01:00 | Issei Okamura v Masamichi Imamura | 6-7,6-7 |
| ITF M15 Nishi-Tokyo | 2024/03/20 02:30 | Masamichi Imamura v Yunseong Chung | 6-7,2-6 |
| ITF M15 Nishi-Tokyo | 2024/03/19 01:00 | Shohei Chikami v Masamichi Imamura | 4-6,1-6 |
| ITF M15 Nishi-Tokyo | 2024/03/18 01:00 | Kaito Uesugi v Masamichi Imamura | 1-6,2-6 |
| ITF M15 Hinode | 2024/03/12 01:00 | Masamichi Imamura v Duckhee Lee | 2-6,6-2,2-6 |