2017 Australian Open - Day 7 (Kei Nishikori)

2017 Australian Open - Day 7
In This Photo: Kei Nishikori
Kei Nishikori of Japan plays a forehand in his fourth round match against Roger Federer of Switzerland on day seven of the 2017 Australian Open at Melbourne Park on January 22, 2017 in Melbourne, Australia.
(Jan. 21, 2017 - Source: Michael Dodge/Getty Images AsiaPac)