The fourth seed was tested early on his serve, which was initially off-target, but was able to maintain control of the contest with a strong returning display.
Once the German's towering serve started finding its mark, though, there was little Bolt could do to stay in the match.
Zverev, known as Sascha, will play big-serving Canadian Milos Raonic in the fourth round. (Reporting by Jonathan Barrett, editing by Nick Mulvenney)
(This story has not been edited by Devdiscourse staff and is auto-generated from a syndicated feed.)
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