Novak Djokovic (SRB)  v Tomas Berdych (CZE) 
David Ferrer (ESP)  v Nicolas Almagro (ESP) 
Na Li (CHN)  v Agnieszka Radwanska (POL) 
Ekaterina Makarova (RUS) v Maria Sharapova (RUS) 
Do not argue with an idiot. He will drag you down to his level and beat you with experience.
Avatar Courtesy Indian team that toured England in 2011 & GF