| 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 |
| ITF M15 Jakarta | 2023/06/22 02:00 | Koki Matsuda v Kazuma Kawachi | 7-6,4-6,6-2 |