Caroline Wozniacki

All the best moments thus far from the tennis tournament

Off the court, she plans to reunite with Ms. Williams, who is likely to add another U.S. Open title to her slew of wins this season, with a round of karaoke. “I’m sure we will do some karaoke when everything is done,” she said with a laugh. "Right now we are different halves of the draw, so it makes it a little difficult with the scheduling, but we will find a time.”