"It was only a small workout, I didn't force anything, I just wanted to see how I would feel," said the four-time French Open champion whose last match was a fourth-round loss in Paris on May 31 to eventual finalist Robin Soderling.

"I want to remain cautious. In a week and I half we will know more. But I'm happy with it so far," said Nadal, who was planning his return to the ATP when the Montreal Masters starts Aug 9.

Poll

Who will win the Punjab Elections?

BJP 32.86%

AAP 41.43%

INC 25.71%

Submit

View All In Poll

Nadal was ordered by doctors to rest his knees in hopes that he would be fit again during the North American hardcourt summer season, by far the most demanding on the body.