Estadio: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Takasaki | 2023/09/20 04:00 | Hayato Matsuoka v Collin Altamirano | 7-5,4-6,2-6 |
| ITF M25 Takasaki | 2023/09/18 02:40 | Hayato Matsuoka v Azuma Visaya | 6-4,5-7,10-5 |
| ITF M25 Takasaki | 2023/09/17 05:00 | Hayato Matsuoka v Ren Nakamura | 6-1,7-5 |
| ITF M25 Sapporo | 2023/09/16 03:55 | Naoki Nakagawa v Hayato Matsuoka | 6-2,6-2 |
| ITF M25 Sapporo | 2023/09/15 04:50 | Hayato Matsuoka v Yuta Kawahashi | 7-5,6-4 |
| ITF M25 Sapporo | 2023/09/15 01:00 | Kazuma Kawachi v Hayato Matsuoka | 3-6,6-0,4-6 |
| ITF M25 Sapporo | 2023/09/13 01:00 | Hayato Matsuoka v Ryotaro Taguchi | 6-2,3-6,6-3 |
| ITF M25 Sapporo | 2023/09/11 02:20 | Hayato Matsuoka v Chih Chi Huang | 6-2,3-6,10-4 |
| ITF M25 Sunderland | 2023/11/01 10:00 | Luca Castelnuovo v Sander Jong | 1-6,4-6 |
| Challenger Guangzhou | 2023/09/12 04:15 | Luca Castelnuovo v Colin Sinclair | 1-6,2-6 |
| Challenger Guangzhou | 2023/09/11 04:35 | Luca Castelnuovo v Ray Ho | 6-7,6-3,6-2 |
| Challenger Guangzhou | 2023/09/10 06:10 | Luca Castelnuovo v Zhenxiong Dong | 6-2,7-5 |
| ITF M25 Hong Kong | 2023/09/06 06:00 | Luca Castelnuovo v Duckhee Lee | 6-3,4-6,5-7 |
| Challenger de Zhuhai | 2023/08/23 08:25 | Evgeny Karlovskiy v Luca Castelnuovo | 7-6,3-6,6-1 |
| Challenger de Zhuhai | 2023/08/22 03:55 | Luca Castelnuovo v Evan Zhu | 6-7,7-6,7-6 |
| Challenger de Zhuhai | 2023/08/20 06:10 | Luca Castelnuovo v Hanyi Liu | 6-4,6-3 |