Serena Williams vs. Maria Sharapova in a rematch of the 2004 Wimbledon final. Whoever wins will win a career Gold Slam. This is Serena's last chance to win an Olympic Gold in singles while Sharapova is trying to achieve that feat in her first Olympic appearance. May the best ball basher take the Gold.
Roger Federer vs. Andy Murray in a rematch of the this year's Wimbledon final.