Stadium: Court 9 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Sapporo | 2023/09/11 02:20 | Hayato Matsuoka v Chih Chi Huang | 6-2,3-6,10-4 |
| ITF M25 Rome | 2023/05/30 14:15 | Hayato Matsuoka v Marcello Serafini | 1-6,2-6 |
| ITF M25 Rome | 2023/05/29 09:30 | Grigoriy Lomakin v Hayato Matsuoka | 3-6,2-6 |
| ITF M25 Rome | 2023/05/28 08:00 | Gabriel Sardo v Hayato Matsuoka | 0-6,1-6 |
| ITF M25 Rome | 2023/05/28 07:00 | Carlo Venturini v Hayato Matsuoka | 2-6,6-7 |
| ITF M15 Prijedor | 2023/05/18 12:10 | Ergi Kirkin v Hayato Matsuoka | 6-1,6-0 |
| ITF M15 Doboj | 2023/05/12 07:00 | Ergi Kirkin v Hayato Matsuoka | 6-1,6-1 |
| ITF M15 Doboj | 2023/05/10 09:30 | Hayato Matsuoka v Stefano Reitano | 6-7,6-4,7-6 |
| ITF M25 Sapporo | 2023/09/11 00:50 | Ryotaro Taguchi v Shunsuke Nakagawa | 6-2,6-2 |
| ITF M25 Sapporo | 2023/09/07 02:50 | Ko Suzuki v Ryotaro Taguchi | 6-4,6-3 |
| ITF M25 Sapporo | 2023/09/05 04:55 | Hikaru Shiraishi v Ryotaro Taguchi | 4-6,6-4,0-6 |
| ITF M25 Sapporo | 2023/09/04 03:20 | Ryotaro Taguchi v Naoya Honda | 6-0,0-6,4-10 |
| ITF M25 Sapporo | 2023/09/03 01:00 | Ryotaro Taguchi v Camden Camacho | 6-1,6-2 |
| ITF M15 Nakhon Si Thammarat | 2023/08/28 07:10 | Ryotaro Taguchi v Seon Yong Han | 4-6,3-6 |
| ITF M15 Nakhon Si Thammarat Qual | 2023/08/27 10:00 | Ryotaro Taguchi v Songrit D Chanbubpha | 6-0,6-0 |
| ITF M15 Nakhon Si Thammarat | 2023/08/24 02:00 | Khumoyun Sultanov v Ryotaro Taguchi | 6-3,6-4 |