Australian Open champion Stanislas Wawrinka is out of the BNP Paribas Open after a shock three-set loss to Kevin Anderson.
It was also Wawrinka’s first loss in 14 matches this year and his first defeat to the South African 17th seed, who will now go on to face Roger Federer in the quarter-final.Wawrinka, seeded three in Indian Wells, was beaten 7-6 (7-1) 4-6 6-1 in his first tournament since his Grand Slam success in Melbourne.
"I knew it's going to happen," Wawrinka said. "I'm not going to keep winning every tournament.
"It took me a lot of energy to come back here, to practice well, to win the first two matches, especially against (Ivo) Karlovic.
"Today I felt that my energy was a little bit down. Mentally, I wasn't ready."