"I was really concerned about my knee for a few days," the Belgian player said. "So I was a bit anxious, because I knew I wasn't really 100 percent. Even if it's not an excuse about what happened on the court, because she was much better than me."
Now that she's heading home, Henin said she'll have a chance to put her feet up.
"It's just my knee is getting old, and, yeah, probably have to rest a little bit now," she said.
Henin missed the Australian Open last year and returned to the tour with a stunning 63-4 record in '07, including titles at the French and U.S. Opens.