Stadium: Court 3 Round: 28 Ground: Hardcourt outdoor
| ITF M15 Yanagawa | 2023/12/22 07:25 | Sanhui Shin v Kazuma Kawachi | 6-1,6-2 |
| ITF M15 Yanagawa | 2023/12/21 03:55 | Sanhui Shin v Kokoro Isomura | 6-3,5-7,7-6 |
| ITF M15 Yanagawa | 2023/12/21 00:30 | Sanhui Shin v Ko Suzuki | 6-1,6-4 |
| Challenger Kobe | 2023/11/12 02:25 | Sanhui Shin v Yunseong Chung | 3-6,3-6 |
| Challenger Matsuyama | 2023/11/05 04:00 | Tatsuma Ito v Sanhui Shin | 7-6,6-3 |
| ITF M25 Sapporo | 2023/09/12 07:10 | Sanhui Shin v Kousuke Ogura | 7-5,4-6,6-7 |
| ITF M25 Hong Kong | 2023/09/07 06:55 | Sanhui Shin v Henrik Wiersholm | 6-1,3-6,3-6 |
| ITF M25 Hong Kong | 2023/09/06 04:05 | Sanhui Shin v David Agung Susanto | 6-3,6-4 |
| ITF M15 Yanagawa | 2023/12/22 02:45 | Takuya Kumasaka v Taisei Ichikawa | 4-6,4-6 |
| ITF M15 Yanagawa | 2023/12/21 07:30 | Taisei Ichikawa v Yuta Kawahashi | 6-1,6-2 |
| ITF M15 Yanagawa | 2023/12/20 09:00 | Taisei Ichikawa v Wishaya Trongcharoenchaikul | 6-1,6-2 |
| ITF M25 Kalaburagi | 2023/11/29 07:10 | Sidharth Rawat v Taisei Ichikawa | 6-3,6-4 |
| ITF M25 Mumbai | 2023/11/22 03:30 | Evgeny Donskoy v Taisei Ichikawa | 6-3,6-7,6-4 |
| Challenger Kobe | 2023/11/15 03:20 | Taisei Ichikawa v Luca Nardi | 5-7,2-6 |
| ITF M25 Cairns | 2023/10/04 01:45 | Taisei Ichikawa v Taiyo Yamanaka | 2-6,1-6 |
| ITF M25 Takasaki | 2023/09/21 03:30 | Hikaru Shiraishi v Taisei Ichikawa | 6-3,6-1 |