| Latest matches Kosuke Nakanishi: | ||
| Date | Home - Away | Score |
| 17.06.25 | Tennis. Men. Pro Series. Fukui. Japan. Hard. | |
| Kosuke Nakanishi - Hiiro Sakamoto | 1:2 (6:1, 3:6, 4:6) | |
| 16.06.25 | Tennis. Men. Pro Series. Fukui. Japan. Hard. | |
| Kosuke Nakanishi - Vishal Prakash | 2:0 (7:5, 6:2) | |
| 23.05.25 | Tennis. Men. Pro Series. Urayasu. Japan. Hard. | |
| Taiyo Kurata - Kosuke Nakanishi | 2:1 (3:6, 7:6, 6:4) | |
| 22.05.25 | Tennis. Men. Pro Series. Urayasu. Japan. Hard. | |
| Kosuke Nakanishi - Ryotaro Matsumura | 0:2 (6:7, 3:6) | |
| 21.05.25 | Tennis. Men. Pro Series. Urayasu. Japan. Hard. | |
| Kosuke Nakanishi - Emiliano Jorquera | 2:0 (6:0, 6:2) | |
| Latest matches Hiiro Sakamoto: | ||
| Date | Home - Away | Score |
| 17.06.25 | Tennis. Men. Pro Series. Fukui. Japan. Hard. | |
| Kosuke Nakanishi - Hiiro Sakamoto | 1:2 (6:1, 3:6, 4:6) | |
| 16.06.25 | Tennis. Men. Pro Series. Fukui. Japan. Hard. | |
| Hiiro Sakamoto - Luca Connaughton | 2:0 (6:3, 6:4) | |
| 14.06.25 | Tennis. Men. Pro Series. Taiwan. Hard. | |
| Hiiro Sakamoto - Chen Hui Ho | 1:2 (1:6, 6:2, 6:7) | |
| 12.06.25 | Tennis. Men. Pro Series. Taiwan. Hard. | |
| Isaac Becroft - Hiiro Sakamoto | 0:2 (2:6, 2:6) | |
| 11.06.25 | Tennis. Men. Pro Series. Taiwan. Hard. | |
| Hiiro Sakamoto - Yu-Shun Lai | 2:0 (6:3, 6:2) | |
| HEAD-TO-HEAD: | ||
| Date | Home - Away | Score |
| 17.06.25 | Kosuke Nakanishi - Hiiro Sakamoto | 1:2 (6:1, 3:6, 4:6) |