| UTR Pro Kawaguchi | 2024/06/27 02:45 | Rikuto Yamaguchi v Yuta Tomida | 3-6,1-6 |
| UTR Pro Kawaguchi | 2024/06/26 00:30 | Hien Q H Pham v Rikuto Yamaguchi | 4-6,3-6 |
| UTR Pro Kawaguchi | 2024/06/25 00:00 | Jonathan Irwanto v Rikuto Yamaguchi | 6-4,2-6,2-6 |
| UTR Pro Taipei | 2023/12/22 01:00 | Rikuto Yamaguchi v Alexander Chang | 3-6,4-6 |
| UTR Pro Taipei | 2023/12/20 04:41 | Rikuto Yamaguchi v Joseph Chen | 6-1,6-0 |
| UTR Pro Taipei | 2023/12/18 01:00 | Rikuto Yamaguchi v Chieh En Hou | 7-6,6-2 |
| UTR Pro Taipei | 2023/12/17 03:15 | Rikuto Yamaguchi v Kuan-I Lee | 3-6,0-6 |
| UTR Pro Osaka | 2023/07/30 02:00 | Koki Matsuda v Rikuto Yamaguchi | 7-6,6-1 |