By SAM JOHNSTON
LONDON (AP) – Jack Sock won for the first time at the ATP Finals on Tuesday, beating Wimbledon finalist Marin Cilic 5-7, 6-2, 7-6 (4).
Sock lost his debut match to Roger Federer, but he is now 1-1 in his round-robin group.
Cilic, who has won only one of his …
Source:: Washington Times