Maria Sharapova spoke with PEOPLE exclusively about how longtime rival-turned-sister Serena Williams "showed up big time" for ...

Williams' surprise appearance to induct Sharapova was "months in the making" and required the code name of another female ...

Tennis legend Maria Sharapova joins TODAY to talk about her induction into the International Tennis Hall of Fame, calling it ...

Tennis icon Serena Williams was a surprise speaker when Maria Sharapova was inducted into the International Tennis Hall of ...

Serena Williams and Maria Sharapova were rivals during their tennis careers, but they are now friends in retirement.

Hall of Famers Martina Navratilova, Jim Courier, Stan Smith and Andy Roddick were among those in the crowd, wearing their ...

What started as one of tennis’ fiercest rivalries found its resolution in Newport, as Serena Williams stepped forward to ...

Their bond has endured—all the way to Sharapova’s induction in Newport, Rhode Island. On Saturday evening, Williams unexpectedly introduced Sharapova before the five-time Grand Slam champion’s ...

If I didn’t know her better, I think she could’ve been my sister. The yin to my yang. The calm to my storm,” Williams said of ...

One of Sharapova's long-time rivals dropped in at her International Tennis Hall of Fame induction ceremony on Saturday.

Maria Sharapova is using her induction into the International Tennis Hall of Fame as a chance to reflect on her career ...