Stadium: Court 5 Round: 26 Ground: Hardcourt outdoor
| 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 |
| 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 M15 Ipoh Perak | 2023/11/22 02:30 | Yeongseok Jeong v Takuya Kumasaka | 6-3,6-7,3-6 |
| ITF M15 Kuching | 2023/11/16 04:05 | Takuya Kumasaka v Kokoro Isomura | 3-6,6-3,6-7 |
| ITF M15 Kuching | 2023/11/15 02:00 | David Pichler v Takuya Kumasaka | 4-6,3-6 |
| ITF M25 Sapporo | 2023/09/12 05:40 | Takuya Kumasaka v Koki Matsuda | 0-6,2-6 |
| ITF M25 Sapporo | 2023/09/06 00:55 | Yuichiro Inui v Takuya Kumasaka | 3-6,4-6 |
| ITF M25 Hong Kong | 2023/09/03 02:00 | Takuya Kumasaka v Kasidit Samrej | 3-6,6-1,5-10 |
| ITF M25 Hong Kong | 2023/08/31 02:00 | Tsung-Hao Huang v Takuya Kumasaka | 6-1,2-6,1-6 |
| ITF M25 Hong Kong | 2023/08/29 03:40 | Ki Lung NG v Takuya Kumasaka | 6-4,0-6,1-6 |