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KEY BISCAYNE, Fla. (AP) — Eugenie Bouchard was upset Saturday in her opening match at the Miami Open by qualifier Tatjana Maria 6-0, 7-6 (4).

Bouchard, who was seeded No. 6, won less than half her service points, had five double-faults and was broken five times.

The Canadian, a Wimbledon finalist last year, has a 6-4 record this year. Her career record at Key Biscayne fell to 1-3.

Maria, a German ranked 113th, beat a top 10 player for the first time since 2010.

In the opening stadium match, No. 4 Caroline Wozniacki rallied to beat Kaia Kanepi 4-6, 6-1, 6-3. In men's play, No. 4 Kei Nishikori defeated Mikhail Youzhny 6-2, 6-1.

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