Serena Williams and Maria Sharapova surprised tennis fans on Saturday when Williams walked out to introduce Sharapova into ...

A pro tennis star just 'challenged' Serena Williams to come back from her unofficial retirement and get back in the game.

Maria Sharapova has entered the International Tennis Hall of Fame, with Serena Williams introducing her at the ceremony on ...

Tiger Woods is making the right decision when it comes to the White House. The 15-time major champion is dating Vanessa Trump ...

Petra Kvitova’s professional tennis career has ended at the U.S. Open. The two-time Wimbledon champion was eliminated in the ...

Sharapova admitted that the plan had been months in the making, and to keep the surprise under wraps, she saved Serena’s ...

Petra Kvitova, left, and Maria Sharapova hold their trophies after Kvitova defeated Sharapova in the ladies' singles final at ...

When Sharapova was inducted into the Tennis Hall of Fame on Saturday night, her former on-court antagonist provided the ...

But the weekend stars shined a little brighter than expected when Serena Williams made a surprise appearance at the historic ...

Tennis legend Maria Sharapova joins NBC News NOW to discuss her recent induction into the Hall of Fame, her relationship with Serena Williams and the steadfast support from her father.