Zverev collapses to defeat by relentless Chung

MELBOURNE (Reuters) - South Korean Hyeon Chung does not appear especially intimidating with his Zen-like demeanor and white-framed spectacles but as German wunderkind Alex Zverev will testify, the 21-year-old should come with a health warning.

from Reuters: Sports News http://ift.tt/2BfNJOA