Bulgarian Grigor Dimitrov beat American Ryan Harrison 3:6, 6:3, 7:6 (6) in his first match in the Masters Series tennis tournament in Shanghai.

Dimitrov has for the first time reached the third round in Shanghai where he has dropped out from the first round once, and four times in the second one.

In a bid to qualify for the quarterfinals the world’s No. 9 is playing versus the winner in the all-American match Sam Querrey.