Jack Sock of USA advanced to the third round of the Miami Open presented by Itaú after Sergiy retired in the second set.
The 22nd-seeded Sock was leading 6-3, 3-2 on Saturday when Stako retired. It was their first career meeting. The American broke twice in the first set and once in the second, having saved the only break point Sergiy earned.
The huge advantage of tennis life style that you are privileged to meet incredible people around the world . I will start telling you stories about them with #GlobalFriends . Today I would like you to meet Jean Louis Vicar @candaleman . Man with passion for what he does ,who dares to...