Grand Slam: Serena Williams' Most Memorable Moments

of 107Photo
  • Serena Williams, Venus Williams
  • Serena Williams
  • Serena Williams
  • Serena Williams
  • Serena Williams
  • Serena Williams
  • US Open
  • Serena Williams
  • Serena Williams
  • Venus Williams, Serena Williams

2009 U.S. Open

She has also had some tense moments on the court. Back in 2009, she was memorably fined $82,500 for going off on a line judge during the U.S. Open. (Williams lost to Kim Clijsters of Belgium in the semifinals.) (Photo: Julian Finney/Getty Images)