| UTR Pro Tennis Series Barcelona | 2022/07/09 06:00 | Rikuto Yamaguchi v Pol Del Castillo | 1-2 |
| UTR Pro Tennis Series Barcelona | 2022/07/08 09:37 | Rikuto Yamaguchi v Jorge Plans | 6-3,6-4 |
| UTR Pro Tennis Series Barcelona | 2022/07/06 14:59 | Rikuto Yamaguchi v Teodor Giusca | 5-7,1-6 |
| UTR Pro Tennis Series Barcelona | 2022/07/05 06:00 | Rikuto Yamaguchi v Jordi Garcia Mestre | 1-6,7-5,4-5 |
| UTR Pro Tennis Series Barcelona | 2022/07/03 15:28 | Pol Amoros Ramos v Rikuto Yamaguchi | 2-6,7-6,5-4 |
| UTR Pro Tennis Series California | 2022/05/27 18:30 | Rikuto Yamaguchi v John Kim | 1-6,0-5 |
| UTR Pro Tennis Series California | 2022/05/25 19:30 | Jacob Bullard v Rikuto Yamaguchi | 7-6,6-1 |
| UTR Pro Tennis Series California | 2022/05/25 01:17 | Quang Duong v Rikuto Yamaguchi | 6-7,4-6 |