Christina McHale of the United States lost to Andrea Petkovic of Germany 6-3, 6-4 Saturday in the opening match of the Fed Cup playoff. The second singles are later between American Melanie Oudin and Julia Goerges. The 18-year-old McHale started strongly, staying with Petkovic at 3-3. In the second set, the 19th-ranked Petkovic led 4-0 before McHale rallied to within a game. More...