Detecting signs Djokovic is about to enter the US Open?

Novak Djokovic has just taken an action rated by former Australian athlete Rennae Stubbs as a signal that the world’s No. 1 player wants to participate in the US Open 2020. The world’s No. 1 player Novak Djokovic is training at the hard courts of Marbella. But most importantly, the Australian Open 2020 champion just bought […]