The three-time Grand Slam doubles winner joined constrained with Kevin Anderson to defuse second-ranked Roger Federer and third-ranked Novak Djokovic, 6-7, 6-3, 10-6, putting Group World on the board in Laver Glass final night. Sock cemented his status as the world's most energetic double player collaborating Mike Bryan to Grand Slam doubles championships at Wimbledon and the US Open. Jack Sock's doubles ability is fueled by a perplexing shock reminiscent of Rafael Nadal.

Inquired to clarify his doubles victory, Sock said there's a particular reason. Facing Sock's turning topspin forehand is like confronting a right-handed form of Rafael Nadal's perplexing topspin forehand. "I kind of remain back and play a few singles hit a part of forehands which makes a few folks awkward," Sock said. "They do not see that sort of ball with RPMs and the turn. It's a small bit harder to volley, I'd say. It's kind of like being on the other side of Rafa when you're at the net. The ball is plunging speedy and moving around a lot.

"I do not play the foremost conventional doubles, that's far beyond any doubt," Sock said. "I play a few singles out there. Also, I'm reasonably comfortable at the net. I do not intellect being up there, being dynamic, attempting to wrap up points." At his best impacting his high-bounding forehand from the pattern, Sock said volleying his plunging drives is like being "on the other side of Rafa." Nadal and Sock have routinely positioned one-two in forehand RPMs. "It makes it a small bit awkward for the folks that as it played pairs all the time. But I do not know. Truly I fair have a part of the fun out there and I play free, which makes a difference me to play way better. I attempt and join that in singles a small bit, but for presently it's working on the copies court."