Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Yanagawa | 2023/12/20 03:00 | Shu Muto v Hong Kit Wong | 5-7,6-4,10-7 |
| ITF M15 Yanagawa | 2023/12/18 03:00 | Tomohiro Masabayashi v Shu Muto | 1-6,7-6,7-10 |
| ITF M25 Gold Coast | 2023/11/30 01:15 | Kody Pearson v Jumpei Yamasaki | 7-6,7-6 |
| ITF M25 Gold Coast | 2023/11/28 01:50 | Jumpei Yamasaki v Nam Hoang Ly | 2-6,6-4,6-3 |
| ITF M25 Brisbane | 2023/11/22 04:35 | Makoto Ochi v Jumpei Yamasaki | 7-6,6-3 |
| ITF M15 Kuching | 2023/11/16 05:35 | Hikaru Shiraishi v Jumpei Yamasaki | 7-5,6-1 |
| ITF M15 Kuching | 2023/11/15 04:20 | Jumpei Yamasaki v Thijmen Loof | 7-6,7-6 |
| ITF M25 Takasaki | 2023/09/20 04:20 | Jumpei Yamasaki v Sora Fukuda | 1-6,6-2,4-6 |
| ITF M25 Sapporo | 2023/09/15 03:30 | Shuichi Sekiguchi v Jumpei Yamasaki | 6-3,7-5 |
| ITF M25 Sapporo | 2023/09/08 02:30 | Shuichi Sekiguchi v Jumpei Yamasaki | 6-4,6-3 |