Kei Nishikori during his first round match of the 2018 Western and Southern Open against Andrey Rublev.
<a href="//commons.wikimedia.org/wiki/User:Ausmor627" title="User:Ausmor627">Ausmor627</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>