Stanislas Wawrinka, of Switzerland, returns a shot to Yoshihito Nishioka, of Japan, at the BNP Paribas Open tennis tournament, Wednesday, March 15, 2017, in Indian Wells, Calif. (AP Photo/Mark J. Terrill)
Yoshihito Nishioka, of Japan, returns a shot to Stanislas Wawrinka, of Switzerland, at the BNP Paribas Open tennis tournament, Wednesday, March 15, 2017, in Indian Wells, Calif. (AP Photo/Mark J. Terrill)