Estádio: Court 5 Round: 25 Ground: Clay
| ITF - M25 Tainan | 2023/08/15 04:45 | Koki Matsuda v Makoto Ochi | 3-6,7-5,4-6 |
| ITF - M25 Jacarta | 2023/08/09 05:30 | Koki Matsuda v Arthur Weber | 2-6,2-6 |
| UTR Pro - Osaka | 2023/07/30 02:00 | Koki Matsuda v Rikuto Yamaguchi | 7-6,6-1 |
| 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 - M25 Tainan | 2023/08/17 04:05 | Tsung-Hao Huang v Takuya Kumasaka | 6-2,4-6,7-6 |
| ITF - M25 Tainan | 2023/08/15 02:00 | Seita Watanabe v Takuya Kumasaka | 3-6,6-4,2-6 |
| ITF - M15 Nakhon Si Thammarat | 2023/07/20 02:00 | Takuya Kumasaka v Palaphoom Kovapitukted | 6-3,0-6,4-6 |
| ITF - M15 Nakhon Si Thammarat | 2023/07/18 02:00 | Takuya Kumasaka v Amir Milushev | 6-0,6-1 |
| ITF - M15 Nakhon Si Thammarat | 2023/07/14 02:00 | Kasidit Samrej v Takuya Kumasaka | 6-1,6-3 |
| ITF - M15 Nakhon Si Thammarat | 2023/07/13 02:00 | Takuya Kumasaka v Yusuke Takahashi | 6-4,6-7,6-3 |
| ITF - M15 Nakhon Si Thammarat | 2023/07/11 02:00 | Takuya Kumasaka v Karan Singh | 6-2,6-2 |
| ITF - M15 Nakhon Si Thammarat | 2023/07/05 02:00 | Kasidit Samrej v Takuya Kumasaka | 6-3,6-2 |