Novak Djokovic pulls out of Shanghai Masters with back injury
Novak Djokovic has pulled out of next week's Shanghai Masters due to the back injury that also stopped him from defending his China Open title in Beijing.
Novak Djokovic pulled out of the Paris Masters on Friday because of a sore shoulder and apologised to fans who had bought tickets for his quarter-final showdown with French favourite Jo-Wilfried Tsonga.