Switzerland's Roger Federer returns a ball to USA's Frances Tiafoe during their first round match at the Swiss Indoors tennis tournament at the St. Jakobshalle in Basel, Switzerland, on Tuesday, ...

Follow the second day of the 2019 Laver Cup, throughout Saturday, here. After the first day of play, Team Europe—the only champions the three-year-old event has ever known—led Team World 3-1.

Switzerland's Roger Federer serves to Croatia's Marin Cilic in the Men's Singles final match on day thirteen at the Wimbledon Tennis Championships in London Sunday, July 16, 2017. (AP Photo/Alastair ...

If it sometimes seems like Roger Federer is unflappable and doesn't get nervous, his fourth set against Marin Cilic in the ...