Fourth seed David Ferrer suffered a surprise early exit from the ATP & WTA BNP Paribas Open at Indian Wells as he lost to Kevin Anderson.
All had looked to be going to plan for the world number four from Spain when he won the first set, but the unseeded South African responded superbly to win the second-round encounter 3-6 6-4 6-3.
Anderson will face Jarkko Nieminen in round three after the Finn enjoyed a comprehensive victory against another more-fancied Spaniard, trouncing 29th seed Fernando Verdasco 6-1 6-0.
Philipp Kohlschreiber, the 21st seed from Germany, also departed at the second-round stage, France's Benoit Paire cruising to a 6-4 6-2 victory, but 18th-seeded Swiss Stanislas Wawrinka hit back after losing the first set to defeat American Wayne Odesnik 3-6 6-2 6-1.
In the women's event, there was smooth progress for former US Open champion Samantha Stosur, the seventh-seeded Australian overcoming American Madison Keys 6-3 6-4.
American Jamie Hampton saw off Su-Wei Hsieh, the 20th seed from Taipei, 6-3 6-3, and there were also early second-round wins in California today for 30th seed Yanina Wickmayer and 32nd seed Peng Shuai.
Belgian Wickmayer battled to a 3-6 6-3 6-2 triumph over Croatia's Mirjana Lucic-Baroni, while China's Peng toppled Romania's Alexandra Dulgheru 6-0 4-6 6-3.
