Zverev is pushing Sock into retirement and will play the fourth round of the US Open with Sinner

German Alexander Zverev, the fourth seed, after being defeated in the first set by the great tennis player of the American Jack Sock, advanced to the fourth round of the United States Open after the withdrawal of the opponent when he already had a lead of 3 -6, 6-2, 6-3 and 2-1.

An injury to the upper part of his right leg prevented Sock from maintaining the level of the first set of the last game of the sixth day of the US Open, which was played on the central field of Arthur Ashe Stadium.

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