June 8, 2002: Serena Williams wins the French Open, defeating Venus Williams 7-5, 6-3. Francois Mori/AP Photo

July 6, 2002: Serena Williams wins Wimbledon, defeating Venus Williams 7-6 (4), 6-3. Mike Hewitt/Getty Images

Sept. 7, 2002: Serena Williams wins the U.S. Open, defeating Venus Williams 6-4, 6-3. Amy Sancetta/AP Photo