Novak not sweating record chase

Djokovic puts pursuit of Federer's Grand Slam mark on back burner

A new-look Novak Djokovic said he had given up on chasing Roger Federer's record 17 Grand Slam titles as he made a winning return to the tennis circuit on Tuesday.

Djokovic, the formerly indomitable Serb who has steamrolled his rivals over the past two seasons, said he has undergone a radical rethink in the wake of recent setbacks.