Stadium: Court 6 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Kuching | 2023/11/14 03:00 | Hikaru Shiraishi v Sheng Tang | 6-1,6-4 |
| ITF M25 Cairns | 2023/10/13 01:00 | Jake Delaney v Hikaru Shiraishi | 6-3,6-7,7-6 |
| ITF M25 Cairns | 2023/10/12 00:00 | Hikaru Shiraishi v Scott Jones | 6-1,4-6,6-4 |
| ITF M25 Cairns | 2023/10/11 01:25 | Hikaru Shiraishi v Corban Crowther | 4-6,6-4,6-2 |
| ITF M25 Cairns | 2023/10/03 04:00 | Hikaru Shiraishi v Blake Mott | 6-4,1-6,3-6 |
| ITF M25 Takasaki | 2023/09/22 01:00 | Naoki Nakagawa v Hikaru Shiraishi | 1-6,6-0,7-5 |
| ITF M25 Takasaki | 2023/09/21 03:30 | Hikaru Shiraishi v Taisei Ichikawa | 6-3,6-1 |
| ITF M25 Takasaki | 2023/09/20 06:45 | Kazuma Kawachi v Hikaru Shiraishi | 3-6,3-6 |
| 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 |
| ITF M25 Sapporo | 2023/09/05 02:00 | Jumpei Yamasaki v Kousuke Ogura | 6-4,6-4 |
| ITF M25 Jakarta | 2023/08/15 04:20 | Sora Fukuda v Jumpei Yamasaki | 7-5,6-4 |
| ITF M25 Jakarta | 2023/08/08 02:30 | Jeamoon Lee v Jumpei Yamasaki | 6-0,7-5 |
| ITF M25 Daegu | 2023/06/09 02:55 | Jumpei Yamasaki v Dominik Palan | 4-6,2-6 |