- World No.1 says tennis needs to change amid rumours of rebel tour
- Serbia star is in Perth for United Cup ahead of Australian Open
World No.1 Novak Djokovic says tennis needs to innovate, but that he remains in the dark about a potential rebel tour.
Rumours are growing that a LIV Golf-style elite tennis tour could be launched, possibly as early as 2025, to rival the ATP and WTA tours.