| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2019 | 0/1 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2018 | 13/7 | 10/6 | 0/0 | 0/0 | 3/1 | 0/0 | 0/0 |
| 2017 | 20/12 | 12/8 | 3/1 | 0/1 | 5/2 | 0/0 | 0/0 |
| 2016 | 0/1 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2015 | 2/1 | 2/1 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 35/22 | 24/17 | 3/1 | 0/1 | 8/3 | 0/0 | 0/0 |
| perc. % | 61.4 % | 58.54 % | 75 % | 0 % | 72.73 % | 0 % | 0 % |
Yuto Sakai / Fixtures
| no matches found |
Yuto Sakai form / surface: Carpet
Yuto Sakai / surface: Carpet
| 12.06.18 | 1st round | Hikaru Shiraishi | Yuto Sakai | 6-2, 6-1 |  | match details |  Japan F8 | Carpet |
| 11.06.18 | qual. | Yuto Sakai | Yuga Tashiro | 7-5, 7-65 |  | match details | ||
| 09.06.18 | q 1 | Yuto Sakai | Taro Sakakibara | 6-1, 6-1 | | match details | ||
| 09.06.18 | q 2 | Yuto Sakai | Arjun Mariyappa | 6-0, 6-0 | | match details | ||
| 11.11.17 | q 1 | Yuto Sakai | Masaki Osafune | 7-64, 1-6, 6-1 | | match details | Toyota Challenger | Carpet |
| 11.11.17 | q 2 | Hiroyasu Ehara | Yuto Sakai | 6-70, 6-2, 6-3 | | match details | ||
| 15.06.17 | 2nd round | Yusuke Watanuki | Yuto Sakai | 6-4, 3-6, 6-3 | | match details | Japan F8 | Carpet |
| 14.06.17 | 1st round | Yuto Sakai | Yohei Ono | 7-5, 6-0 | | match details | ||
| 12.06.17 | q 1 | Yuto Sakai | Nobuhiro Aihara | 6-0, 6-2 | | match details | ||
| 12.06.17 | q 2 | Yuto Sakai | Shinji Hazawa | 6-1, 6-4 | | match details | ||
| 12.06.17 | qual. | Yuto Sakai | Luca Castelnuovo | 6-78, 6-4, 7-68 | | match details |
