Jack Sock recorded yet another win this season on Sunday at the Miami Open presented by Itau, fighting hard under the lights to defeat Jiri Vesely 6-3, 7-6(0) and reach the round of 16.
A single break of serve was all the 13th seed needed to take the opening set. Vesely raced to a 5-3 lead in the second set, but Sock fought back to level the match and was dominant throughout the tie-break. A volley winner on his first match point wrapped up the contest after one hour and 39 minutes. Sock improves his FedEx ATP Head2Head record against Vesely to 2-0.
The American moves to 9-2 in tie-breaks this season. He also boosts his win-loss record to 17-3, tying Grigor Dimitrov, Jo-Wilfried Tsonga and Dominic Thiem for most match wins this season.
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Next up for Sock is #NextGenATP American Jared Donaldson, who moved into the fourth round when third seed Milos Raonic withdrew before taking the court due to a hamstring injury.