Stadium: Centre Court Round: 14 Ground: Hardcourt outdoor
| 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 |
| 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 |
| Challenger Kobe | 2023/11/15 01:30 | Tatsuma Ito v Yuta Shimizu | 6-7,3-6 |
| Challenger Matsuyama | 2023/11/06 01:00 | Zhe Li v Tatsuma Ito | 4-6,6-4,6-2 |
| Challenger Matsuyama | 2023/11/05 04:00 | Tatsuma Ito v Sanhui Shin | 7-6,6-3 |
| ITF M25 Takasaki | 2023/09/21 05:15 | Tatsuma Ito v Koki Matsuda | 7-6,1-6,6-3 |
| ITF M25 Takasaki | 2023/09/20 02:45 | Tatsuma Ito v Toa Maeda | 6-3,6-0 |
| ITF M25 Sapporo | 2023/09/12 02:00 | Naoki Tajima v Tatsuma Ito | 3-6,1-6 |
| ITF M25 Sapporo | 2023/09/07 03:00 | Ryotaro Matsumura v Tatsuma Ito | 7-6,6-4 |
| ITF M25 Sapporo | 2023/09/06 03:35 | Seita Watanabe v Tatsuma Ito | 6-4,4-6,4-6 |