Stadium: Centre Court Round: 27 Ground: Hardcourt outdoor
| ITF M15 Kuching | 2023/11/16 05:35 | Hikaru Shiraishi v Jumpei Yamasaki | 7-5,6-1 |
| ITF M15 Yanagawa | 2023/12/21 08:45 | Koki Matsuda v Jumpei Yamasaki | 1-6,6-1,3-6 |
| ITF M15 Yanagawa | 2023/12/21 00:30 | Shu Muto v Jumpei Yamasaki | 0-6,2-6 |
| 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 M15 Yanagawa | 2023/12/21 01:50 | Kousuke Ogura v Hikaru Shiraishi | 4-6,3-6 |
| ITF M15 Yanagawa | 2023/12/20 05:00 | Ryota Tanuma v Hikaru Shiraishi | 0-6,3-6 |
| Challenger Yokkaichi | 2023/11/26 03:25 | Hikaru Shiraishi v Tatsuma Ito | 3-6,4-6 |
| ITF M15 Ipoh Perak | 2023/11/23 04:55 | Hikaru Shiraishi v Takuya Kumasaka | 6-7,4-6 |
| ITF M15 Ipoh Perak | 2023/11/23 01:00 | Hikaru Shiraishi v Corban Crowther | 6-0,6-4 |
| ITF M15 Kuching | 2023/11/17 02:00 | Hikaru Shiraishi v Woobin Shin | 6-4,7-5 |
| ITF M15 Kuching | 2023/11/16 05:35 | Hikaru Shiraishi v Jumpei Yamasaki | 7-5,6-1 |
| ITF M15 Kuching | 2023/11/14 03:00 | Hikaru Shiraishi v Sheng Tang | 6-1,6-4 |