The oft-injured Italian is struggling with another issue.
Qinwen Zheng, who will face world No. 1 Iga Swiatek in Stuttgart, is pumped for a China return.
"He covers pretty much half of the planet when he plays," Stefanos Tsitsipas says of Carlos Alcaraz.
The World No.1 spoke briefly about a right elbow injury on Monday.
The top two Americans are back to help Team World at Laver Cup.
Stan the Man has seen the GOAT and shares his vision.
Olympic gold-medal champion completes her maiden Boston Marathon.
