The swelling on Juan Martin del Potro's wrist has not fully subsided and it is not clear when he will be able to return to the tour, according to his physiotherapist Diego Rivas.
Del Potro has not played since the Australian Open.
"It's just working and waiting to see the best time to play again," Rivas told Argentine radio, but said the U.S. Open champion would not require surgery.—K.T.