RIO DE JANEIRO (AP) — The Latest on the Olympics in Rio de Janeiro (all times local):
8:05 p.m.
Serena and Venus Williams lost an Olympic doubles match for the first time, stunned in the opening round of the Rio Games by the Czech Republic's Lucie Safarova and Barbora Strycova 6-3, 6-4.
The Williams sisters entered Sunday's match with a 15-0 career record in the Olympics, winning the gold medal in women's doubles every time they entered the event: in 2000, 2008 and 2012.
The American duo was seeded No. 1 in Rio and coming off a 14th Grand Slam championship together, at Wimbledon a month ago.