Australian Open champion Stanislas Wawrinka crashed to a shock second-round defeat at the Madrid Open on Tuesday when he was upset 1-6, 6-2, 6-4 by qualifier Dominic Thiem.
Third-seeded Swiss Wawrinka, who followed up his title in Melbourne with victory at last month's Monte Carlo Masters, started strongly against the 70th-ranked Austrian, who at 20 years and eight months is the youngest player in the top 100. However, he lost his way in the second set and was unable to recover in the third.
Thiem was joined in the last 16 by fifth seed David Ferrer, who had to dig deep to see off Spanish compatriot Albert Ramos 7-6 (8-6), 5-7, 6-3.
Top seed and defending champion Rafael Nadal, the world number one, begins his title defence with a second-round match against unseeded Argentine Juan Monaco.
Sania-Cara win
Sania Mirza and Cara Black defeated Hao-Ching Chan and Chanelle Scheepers 6-4, 6-1 to enter to women’s doubles quarterfinals.
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