According to a Japanese sports website Daily Sports Online, Kei is receiving treatment on his right knee in Florida.
The good news is, Kei was told that the injury is due to fatigue and won't get any worse.
So we can expect him to return to court next week in Basel!
Updates:
Well, apparently things are not okay and Kei has to take a break from the rest of this season. Get well soon!
(Via menstennisforums, Image via Olivier Morin/AFP/Getty Images)
