Grigor Dimitrov powered past US Open semi-finalist Juan Martin del Potro 7-6 (8-6) 7-5 to book his spot in the quarter-finals of the China Open on Wednesday.
Grigor Dimitrov powered past US Open semi-finalist Juan Martin del Potro 7-6 (8-6) 7-5 to book his spot in the quarter-finals of the China Open on Wednesday.