Miami, February 20: Defending champion Jack Sock reached the Delray Beach Open second round, while Hyeon Chung also advanced on Monday (February 19).
Sock broke once in each set on his way to a 6-4 6-4 victory over Australian qualifier John-Patrick Smith.
The American top seed only created two break points – converting both – while saving four to get through his opener.
In action for the first time since his run to the Australian Open semi-finals, Chung – the eighth seed – got past lucky loser Cameron Norrie 3-6 6-3 6-1.
Great start for @HyeonChung! 👏 The No.8 seed beats Cameron Norrie 3-6 6-3 6-1 to reach the second round of the #DBO2018.
— Delray Beach Open (@DelrayBeachOpen) February 19, 2018
📸: Andrew Patron/Delray Beach Open pic.twitter.com/jCTUyfyEBM
Meanwhile, Donald Young crushed Ramkumar Ramanathan 6-1 6-2 and Frances Tiafoe overcame Matthew Ebden 6-2 2-6 6-2.
Source: OPTA
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