Stan Wawrinka And Juan Martin Del Potro Both Beat The Sad Tennis BallWell after 1 a.m. in Queens this morning, Stan Wawrinka defeated Juan Martin del Potro in four sets, but the real loser was every tennis ball in play. The quarterfinal match pitted two of the sport’s most violent groundstrokes against one another and admittedly, all that violence is pretty to look a...
