Eugenie Bouchard suffered a shock defeat in her opening match at the Miami Open against qualifier Tatjana Maria on Saturday. Bouchard, who was seeded No. 6, won less than half her service points, had five double-faults and was broken five times in the 6-0, 7-6 (4) defeat. Eugenie Bouchard was beaten in straight sets in her opening match at the Miami Open on Saturday . Bouchard hits a forehand during her match at Miami's Crandon Park Tennis Center . Bouchard has struggled on the tour since reaching the quarter-finals of the Australian Open . The Canadian, a Wimbledon finalist last year, has a 6-4 record this year and has struggled since reaching the quarter-finals of the Australian Open. It was the first time Maria, a German ranked 113th, had beaten a top 10 player since 2010. Bouchard (left) shakes hands with Maria across the net after the German secured victory . Qualifier Maria celebrates her straight-sets win against sixth seed Bouchard in Miami .
Eugenie Bouchard lost her opening match at the Miami Open on Saturday . The Canadian sixth seed lost 6-7, 7-6 (4) to qualifier Tatjana Maria . Bouchard has struggled since reaching the Australian Open quarter-finals .