World number one and defending champion Novak Djokovic was knocked out of the Madrid Masters on Friday, losing 7-6 (7/2), 6-3 to Serb compatriot Janko Tipsarevic.
Djokovic's quarter-final defeat comes a day after world number two Rafael Nadal was defeated by fellow Spaniard Fernando Verdasco in the third round.
© ANP/AFP







