Serena Williams, sick (virus), has to retire against Alize Cornet in Wuhan Open second round. This situation strangely looks like her retirement in the last Wimbledon doubles draw.
Practicing ahead of his US Open quarter-final match against Dominic Thiem, Rafael Nadal uses an ''Ice Jacket'' prototype to refresh under NYC high temperatures. You can see it at 18:00 on this video.