Lucie Hradecka of the Czech Republic, returns a shot from Eugenie Bouchard of Canada, during a match at the Miami Open tennis tournament, in Key Biscayne, Fla., Wednesday, March 23, 2016. Hradecka defeated Bouchard, 6-4, 3-6, 6-2. (AP Photo/Wilfredo Lee)
The Associated Press
KEY BISCAYNE, Fla. (AP) - The Czech Republic's Lucie Hradeka beat slumping Canadian star Eugenie Bouchard 6-4, 3-6, 6-2 on Wednesday in the first round of the Miami Open.
Bouchard entered the week ranked 45th in the world, 40 spots higher than Hradeka.
Hradeka set up a match with Belgium's Kirsten Flipkens.
American Christina McHale outlasted Japan's Doi Misaki 6-2, 4-6, 7-5, and CoCo Van DeWeghe beat Samantha Crawford 6-4, 7-5 in an all-American match.
In men's play, American Taylor Fritz topped Italy's Simone Bolelli 6-4, 6-2; Britain's Kyle Edmund held off Jiri Vesely of the Czech Republic 6-4, 5-7, 7-6 (6); Canada's Vasek Popisil defeated Diego Schwartzman of Argentina, 2-6, 6-3, 7-6 (4); Albert Ramos-Vilonas of Spain topped Colombian qualifier Alejandro Gonzales 5-7, 6-2, 7-6 (3); and Spain's Fernando Verdasco beat Gilles Muller of Luxembourg 7-6(2), 6-3.
Eugenie Bouchard of Canada, returns a shot from Lucie Hradecka of the Czech Republic, during a match at the Miami Open tennis tournament, in Key Biscayne, Fla., Wednesday, March 23, 2016. Hradecka defeated Bouchard, 6-4, 3-6, 6-2. (AP Photo/Wilfredo Lee)
The Associated Press
Naomi Osaka, of Japan, returns a shot from Pauline Parmentier, of France, at the Miami Open tennis tournament, in Key Biscayne, Fla., Wednesday, March 23, 2016. (AP Photo/Wilfredo Lee)
The Associated Press
Christina McHale, of the United States, returns to Misaki Doi, of Japan, during a match at the Miami Open tennis tournament in Key Biscayne, Fla., Wednesday, March 23, 2016. McHale won 6-2, 4-6, 7-5. (AP Photo/Alan Diaz)
The Associated Press
Lucie Hradecka of the Czech Republic, reacts after defeating Eugenie Bouchard of Canada, 6-4, 3-6, 6-2, during a match at the Miami Open tennis tournament, in Key Biscayne, Fla., Wednesday, March 23, 2016. (AP Photo/Wilfredo Lee)
The Associated Press
Pauline Parmentier of France, returns a shot from Naomi Osaka of Japan, during a match at the Miami Open tennis tournament, in Key Biscayne, Fla., Wednesday, March 23, 2016. (AP Photo/Wilfredo Lee)
The Associated Press
Misaki Doi, of Japan, returns to Christina McHale, of the United States, at the Miami Open tennis tournament in Key Biscayne, Fla., Wednesday, March 23, 2016. (AP Photo/Alan Diaz)
The Associated Press
Christina McHale, of the United States, returns to Misaki Doi, of Japan, during a match at the Miami Open tennis tournament in Key Biscayne, Fla., Wednesday, March 23, 2016. McHale won 6-2, 4-6, 7-5. (AP Photo/Alan Diaz)
The Associated Press
Johanna Larsson, of Sweden, reacts after losing a point to Dominika Cibulkova during a match at the Miami Open tennis tournament in Key Biscayne, Fla., Wednesday, March 23, 2016. Cibulkova won 4-6, 6-1, 6-2. (AP Photo/Alan Diaz)
The Associated Press
Dominika Cibulkova, of Slovakia, returns to Johanna Larsson, of Sweden, during a match at the Miami Open tennis tournament in Key Biscayne, Fla., Wednesday, March 23, 2016. Cibulkova won 4-6, 6-1, 6-2. (AP Photo/Alan Diaz)
The Associated Press