Career
240 on 3 August 2015 and doubles ranking of Number. 177 on 24 November 2014. Junior career 12 in the combined world rankings in March 2010.
He reached the final of the 2009 Australian Open Boys" Doubles with Mikhail Biryukov, losing to Francis Casey Alcantara and Hsieh Cheng-peng in the final.
Junior Grand Slam singles results: Australian Open: 3R (2009) French Open: 3R (2010) Wimbledon: 1R (2010) United States Open: 3R (2010) Senior career At 2014 World Group first round against Canada in Tokyo, He played the doubles rubber pairing Kei Nishikori, winning over Canadian pair Daniel Nestor and Frank Dancevic. Japan defeat Canada with 4-1 to advance to the quarterfinals in the World Group for the first time ever.
Singles: 1 (1 runner-up) Doubles: 6 (2 titles, 4 runners-up).