Thiem confirms rib injury, racing to be fit for Davis Cup
Thiem, a former US Open champion, has struggled with injuries in recent years and fallen to number 98 in the world as a result.
The Austrian received a wildcard at the Australian Open where he was knocked out in the first round in straight sets by fifth seed Andrey Rublev after injuring a rib muscle while serving.
"Unfortunately, the year didn't start the way I wanted. Especially in Melbourne, I wanted to perform at my best, but I tore a small muscle fibre in my rib," Thiem said on Instagram.
"The results show that it's not too bad, and playing at the Davis Cup should be possible. I will try everything in the upcoming week to get fit and practice well."
Austria play their Davis Cup qualifier against Croatia on February 4-5.