| UTR Pro Kakogawa | 11/08 02:40 | 28 | Riku Nakamoto v Makoto Ochi | 1-6,1-6 | |
| UTR Pro Kakogawa | 11/06 04:45 | - | Riku Nakamoto v Jacob K Shen | 6-2,6-3 | |
| UTR Pro Kakogawa | 11/05 01:30 | - | Riku Nakamoto v Sohji Nishiyama | 6-2,7-5 | |
| UTR Pro Kakogawa | 11/04 01:30 | - | Riku Nakamoto v Toshiki Karigyo | 6-3,3-6,7-5 | |
| UTR Pro Kakogawa | 11/03 01:30 | - | Riku Nakamoto v Ko Fujikawa | 6-1,6-4 |