Novak Djokovic will continue his U.S. Open campaign on Tuesday against Marcel Granollers. Tomas Berdych and Stanislas Wawrinka are also looking for a spot in the quarterfinals.

(1) Novak Djokovic vs. Marcel Granollers

Djokovic and Granollers will be squaring off for the second time in their careers when they collide in the fourth round of the U.S. Open on Tuesday afternoon. Their only previous encounter came in round one of the 2011 Australian Open, with Djokovic dominating 6-1, 6-3, 6-1. Granollers has battled extremely hard to give himself another shot at the world No. 1. In fact, the 43rd-ranked Spaniard has won each of his first three matches in five sets–over Jurgen Zopp, Rajeev Ram, and Tim Smyczek. Granollers, ranked sixth in the world in doubles, is a respectable 24-19 in singles this season.

On the other hand, Djokovic has been in cruise-control mode at the year’s final major. The…