"I still believe it will be beneficial for both tours to be together," said 20-time Grand Slam champion.
Alexander Zverev calls the ATP ranking system absurd; Stefanos Tsitsipas has a different view.
After Alexander Zverev swept Carlos Alcaraz he praised the Spaniard as a future Top 10 force.
Stefanos Tsitsipas cites young stars who will emerge as future rivals.
The Russians are running hot on the doubles court as well.
The 24-year-old announced the news on Instagram.
Alexander Zverev asserts ATP rankings system is absurd.