August 18, 2004: When six Americans lost in one day at the Olympic Games in Athens

On this day, August 18 in 2004, the United States Olympic tennis team went through a catastrophic day in Athens. Six of its members were eliminated on that terrible Wednesday: Andy Roddick (world No 2), Venus Williams (world No 13), Chanda Rubin (No 22) and Lisa Raymond (No 40) were all ousted from the singles event, while the Bryan Brothers, Bob and Mike, who were the top-ranked team in the world…

Source