Sixth-seeded Tomas Berdych lost in straight sets to Steve Darcis of Belgium on Saturday in the first round of Olympic play at Wimbledon.
Darcis won 6-4, 6-4, with solid serving and groundstrokes. On matchpoint, he hit a series of crosscourt backhand slices before the Czech lofted a ball out.
Berdych reached the Wimbledon final in 2010, losing to Rafael Nadal. Darcis, ranked 75, reached his career-high ranking of 44 in 2008.
Christina McHale of the United States lost to Ana Ivanovic 6-4, 7-5 Saturday in the first round of the Olympics at Wimbledon.
McHale hit a backhand into the net on match point against the 11th-seeded Serb, who won the French Open in 2008.