From Serena Williams consoling Sabine Lisikci, to the Argentinian spat at the Davis Cup semis, tennis was filled with memorable moments. Ravi Ubha begins the countdown of the Top 100 moments in tennis in 2012.
Roger Federer advanced Thursday to the semifinals by beating Isner 6-4, 7-6 (5). Novak Djokovic advanced by sweeping Jo-Wilfried Tsonga 6-1, 7-5. Djokovic's opponent in the semifinals will be British hopeful Andy Murray.