Rafael Nadal , Novak Djokovic and Novak Djokovic will play in the new IPTL . ( CNN ) -- The exhibition IPTL is modeled after cricket 's successful IPL in India . Among the women confirmed is women 's world No . two Serena Williams . But Roger Federer , Andy Murray , Rafael Nadal and Kei Nishikori all opt out .
Rafael Nadal , Novak Djokovic and Novak Djokovic will play in the new IPTL . The exhibition IPTL is modeled after cricket 's successful IPL in India . Among the women confirmed is women 's world No . two Serena Williams . But Roger Federer , Andy Murray , Rafael Nadal and Kei Nishikori all opt out .