| Country | Japan  |
|
| Birthday | 29 Dec 1989 | |
| Age | 34 | |
| Higest Rank | 4 (Mar 02,2015) | |
| Prize Money | $ 25,102,112 |
Titles: 12
Challengers: 7 | Minor:12023
2019
- Brisbane
- -dft. D.Medvedev
- 6-4 3-6 6-2
- January
2018
2015
- Washington
- -dft. J.Isner
- 4-6 6-4 6-4
- August
- Memphis
- -dft. K.Anderson
- 6-4 6-4
- February
2014
- Tokyo
- -dft. M.Raonic
- 7-6(5) 4-6 6-4
- September
- Memphis
- -dft. I.Karlovic
- 6-4 7-6(0)
- February
2012
- Tokyo
- -dft. M.Raonic
- 7-6(5) 3-6 6-0
- October
2010
2008
2006
Finals: 14
2018
- Vienna
- -dft. K.Anderson
- 6-3 7-6(3)
- October
- Tokyo
- -dft. D.Medvedev
- 6-2 6-4
- October
- Monte-Carlo
- -dft. R.Nadal
-
6-3 6-2
- April
6-3 6-22017
2016
2014
- U.S. Open
- -dft. M.Cilic
- 6-3 6-3 6-3
- August
- Madrid
- -dft. R.Nadal
- 2-6 6-4 3-0 ret.
- May
2011
- Houston
- -dft. R.Sweeting
- 6-4 7-6(3)
- April
2007