Sharapova, of course, stunned Williams in the 2004 Wimbledon final when she was just 17 years old. That loss was part of a Serena tailspin that involved winning just two majors in 14 starts, until the 2008 U.S. Open. Since then, Serena has won exactly half her majors (12 out of 24). But getting back to Sharapova, after beating Serena in their next match — at the 2004 WTA Finals — Sharapova has lost 16 straight. It’s one of the most dominant streaks in sports. You know how athletes always say they want to win championships against the best?