Serena Williams, seen here during the final of the BNP Paribas Open in Indian Wells, Calif., responded to comments by the tourney's director, saying, "Last year, the women's final at the U.S. Open sold out well before the men. I'm sorry, did Roger play in that final, or Rafa or any man play in that final that was sold out before the men's final?" Robyn Beck/AFP/Getty Images hide caption

toggle caption Robyn Beck/AFP/Getty Images

Serbia's Novak Djokovic has won the Australian Open six times — in 2008, 2011, 2012, 2013 and 2015, and then on Sunday. William West/AFP/Getty Images hide caption

toggle caption William West/AFP/Getty Images

Novak Djokovic of Serbia celebrates after defeating Roger Federer of Switzerland during of their 2015 US Open Men's singles final match on Sunday. Jewel Samad/AFP/Getty Images hide caption

toggle caption Jewel Samad/AFP/Getty Images

Serena Williams serves the ball to Andrea Hlavackova during the first round of the French Open in Paris. Christophe Ena/AP hide caption

toggle caption Christophe Ena/AP
For Sports Immortality, The 3rd Or 4th Time's The Charm
  • Download
  • <iframe src="" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Serbia's Novak Djokovic (left) embraces Argentina's Juan Martin Del Potro after their match on day 11 of the 2013 Championships at Wimbledon. Carl Court/AFP/Getty Images hide caption

toggle caption Carl Court/AFP/Getty Images