Kerber upset in 1st round of Madrid Open

Angelique Kerber of Germany returns a ball to Laura Siegemund of Germany during the final of the WTA tennis tournament in Stuttgart, Germany, Sunday, April 24, 2016. Kerber won the match. (Marijan Murat/dpa via AP)

MADRID (AP) Second-seeded Angelique Kerber lost 6-4, 6-2 to Barbora Strycova in the first round of the Madrid Open on Sunday.

Heading into their clay-court opener, this year's Australian Open champion hadn't dropped a single set to Strycova in four prior meetings.

But the third-ranked Kerber committed three double faults and was broken by Strycova four times to fall in a little over an hour.

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2016 ATP Rankings
Rank Player Points
1 N. Djokovic 15,550
2 A. Murray 7,925
3 R. Federer 7,535
4 S. Wawrinka 6,460
5 R. Nadal 5,915
6 K. Nishikori 4,290
7 J. Tsonga 3,400
8 T. Berdych 3,120
9 D. Ferrer 3,010
10 M. Raonic 2,740
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2016 WTA Rankings
Rank Player Points
1 S. Williams 8,625
2 A. Radwanska 5,775
3 A. Kerber 5,740
4 G. Muguruza 4,847
5 V. Azarenka 4,530
6 P. Kvitova 3,947
7 S. Halep 3,660
8 R. Vinci 3,615
9 M. Sharapova 3,431
10 B. Bencic 3,340
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