John Isner

“I think the more matches that I play, the better shape I'm going to get in. That's the best type of fitness you can do.”

“I was always a late bloomer.”

“Davis Cup is a completely different animal.”

“That's why I enjoy Davis Cup, and I really enjoyed college tennis. It's very special. You want to go out there and compete your hardest, because you don't want to let anyone down. You want t...”

“I try to bring a lot of water on the plane with me and eat a really good meal.”

“Our biggest events are the Grand Slams and are always going to be the Grand Slams.”

“Usually I'm traveling for tennis, so the most important thing for me is to not get jet lag.”

“Nothing against the Olympics. I played in 2012 and it was an incredible experience. It's different for tennis players than for swimmers and track and field athletes. That's the pinnacle of t...”

“There are a lot of things that go on between the lines of a tennis court, mentally, physically and whatnot.”

“The mental part of the game, being able to free up on the tennis court, is much easier said than done.”