Stadium: Court 9 Round: 25 Ground: Hardcourt outdoor
| 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 M15 Osijek | 2023/05/04 09:00 | Aldin Setkic v Hayato Matsuoka | 6-2,4-6,7-6 |
| ITF M15 Nakhon Si Thammarat | 2023/05/31 04:30 | Ryotaro Taguchi v Isaac Becroft | 6-4,6-4 |
| ITF M15 Nakhon Si Thammarat | 2023/05/29 03:40 | Ryotaro Taguchi v Bang Shuo Yin | 7-5,4-6,10-4 |
| ITF M15 Nakhon Si Thammarat | 2023/05/28 04:00 | Ryotaro Taguchi v Anapat Timangkul | 6-2,6-0 |
| UTR Pro Miki | 2023/04/23 03:23 | Henrik Heise Korsgaard v Ryotaro Taguchi | 6-3,6-2 |
| UTR Pro Miki | 2023/04/22 03:30 | Taketo Takamisawa v Ryotaro Taguchi | 7-6,4-6,5-7 |
| UTR Pro Miki | 2023/04/21 07:00 | Kento Tagashira v Ryotaro Taguchi | 2-6,2-6 |
| UTR Pro Miki | 2023/04/20 03:30 | Mizuki Kawada v Ryotaro Taguchi | 1-6,3-6 |
| UTR Pro Miki | 2023/04/19 03:30 | Brody Nejedly v Ryotaro Taguchi | 0-6,1-5 |