A blockbuster quarterfinal in Cincinnati will pit Novak Djokovic against Stan Wawrinka on Friday. Tomas Berdych and Alexandr Dolgopolov are also looking for a place in the semis.

(1) Novak Djokovic vs. (5) Stan Wawrinka

Djokovic and Wawrinka will be squaring off for the 22nd time in their careers and for the third time this season when they meet again in the quarterfinals of the Western & Southern Open on Friday. Djokovic is dominating the head-to-head series 17-4, but that hardly tells the real–or at least the more recent–story. Since the start of 2013, the two multiple major winners have faced each other five times at Grand Slams and four have gone the distance (Djokovic won three of the four). The only one that did not came in the final of this year’s French Open, where Wawrinka turned in an unbelievable performance to capture the title with a 4-6, 6-4…