Tennis - Australian Open - Melbourne Park, Melbourne, Australia - 24/1/17 Switzerland's Roger Federer reacts during his Men's singles quarter-final match against Germany's Mischa Zverev. ... more 
Tennis - Australian Open - Melbourne Park, Melbourne, Australia - 24/1/17 Switzerland's Roger Federer reacts during his Men's singles quarter-final match against Germany's Mischa Zverev. REUTERS/Thomas Peter less 
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Reuters | Photo By THOMAS PETER / Reuters
Tue, Jan 24, 2017 5:48 AM EST