Estadio: Centre Court Round: 25 Ground: Hardcourt outdoor
| Challenger de Kobe | 2023/11/12 02:25 | Sanhui Shin v Yunseong Chung | 3-6,3-6 |
| Challenger de 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 M25 Hong Kong | 2023/09/03 06:30 | Kasidit Samrej v Sanhui Shin | 5-7,6-7 |
| ITF M25 Hong Kong | 2023/09/03 02:00 | Sanhui Shin v Ajeet Rai | 6-7,6-3,10-5 |
| ITF M25 Hong Kong | 2023/08/31 02:00 | Sanhui Shin v Zhe Li | 6-3,3-6,6-2 |
| ITF M15 Yanagawa | 2023/12/20 03:00 | Shohei Chikami v Ko Suzuki | 3-6,3-6 |
| ITF M15 Yanagawa | 2023/12/18 03:00 | Taki Adachi v Ko Suzuki | 0-6,2-6 |
| ITF M25 Takasaki | 2023/09/18 01:00 | Ryotaro Taguchi v Ko Suzuki | 6-2,7-5 |
| ITF M25 Takasaki | 2023/09/17 01:00 | Mao Takada v Ko Suzuki | 3-6,4-6 |
| ITF M25 Sapporo | 2023/09/11 00:55 | Naoki Tajima v Ko Suzuki | 7-6,4-6,10-8 |
| ITF M25 Sapporo | 2023/09/10 01:00 | Mao Takada v Ko Suzuki | 1-6,3-6 |
| ITF M25 Sapporo | 2023/09/08 04:45 | Daisuke Sumizawa v Ko Suzuki | 7-5,6-2 |
| ITF M25 Sapporo | 2023/09/07 02:50 | Ko Suzuki v Ryotaro Taguchi | 6-4,6-3 |