| UTR Pro Osaka | 2023/07/29 01:05 | Koki Matsuda v Min Soo Chae | 7-5,5-2 |
| UTR Pro Osaka | 2023/07/27 07:32 | Koki Matsuda v Jake Bhangdia | 6-2,6-4 |
| UTR Pro Osaka | 2023/07/26 04:00 | Mizuki Kawada v Koki Matsuda | 0-6,2-6 |
| UTR Pro Osaka | 2023/07/25 02:00 | Yuto Okuchi v Koki Matsuda | 3-6,3-6 |
| ITF M15 Nakhon Si Thammarat | 2023/07/05 06:15 | Ji Hoon Son v Koki Matsuda | 6-4,3-6,6-3 |
| ITF M15 Jakarta | 2023/06/29 03:00 | Koki Matsuda v Fitriadi M Rifqi | 1-6,4-6 |
| ITF M15 Jakarta | 2023/06/27 05:00 | Koki Matsuda v Issei Okamura | 6-3,7-6 |
| ITF M15 Jakarta | 2023/06/23 02:00 | Koki Matsuda v Yurii Dzhavakian | 6-3,4-6,5-7 |
| UTR Pro Osaka | 2023/07/29 03:30 | Rikuto Yamaguchi v Shinde Yuzuki | 6-4,6-6 |
| UTR Pro Osaka | 2023/07/28 05:10 | Christian Heaney-Secord v Rikuto Yamaguchi | 6-1,4-6,4-6 |
| UTR Pro Osaka | 2023/07/27 06:30 | Hiroki Fujita v Rikuto Yamaguchi | 5-7,3-6 |
| UTR Pro Osaka | 2023/07/25 05:30 | Shin Inoue v Rikuto Yamaguchi | 6-7,3-6 |
| UTR Pro Osaka | 2023/07/24 07:00 | Rikuto Yamaguchi v Shion Itsusaki | 6-4,2-6,6-3 |
| UTR Pro Miki | 2023/07/01 03:30 | Rikuto Yamaguchi v Yuma Daijima | 4-6,3-5 |
| UTR Pro Miki | 2023/06/29 05:32 | Rikuto Yamaguchi v Ryotaro Taguchi | 2-6,1-6 |
| UTR Pro Miki | 2023/06/28 02:00 | Rikuto Yamaguchi v Ryoma Matsushita | 6-1,4-6,6-3 |