Japan will be missing a big star when Kei Nishikori skips next month's tie due to scheduling issues.
American takes medical time-out in second set, rallies for victory.
The Romanian has tendonitis in her left knee and will need time to sort out the issue.
The 17-year-old saved a match point in a thrilling victory.
All the happy moments from the happy Slam on the Tennis Now Live Blog
The 14-time major champion says pain-free days were a long, long time ago.
The 38-year-old battled through back-to-back three-setters before his latest win.