Petra Kvitova
NEW HAVEN, Conn. (AP) -- Two-time defending champion Petra Kvitova of the Czech Republic advanced to the Connecticut Open quarterfinals, beating Canada's Eugenie Bouchard 6-3, 6-2 on Wednesday night....

Dynamic doubles duo: Federer, Nadal to team up in Laver Cup
NEW YORK (AP) -- Roger Federer and Rafael Nadal, who have faced each other in eight major finals, plan to team up as doubles partners next year during the inaugural Laver Cup....

Federer looked into ways to play either Olympics or US Open
NEW YORK (AP) -- Maybe Roger Federer could play the Olympics and skip the U.S. Open. Or sit out the Rio Games and make it to New York....

US tennis player Madison Keys, 21, feels both young and wise
Madison Keys is ranked in the top 10 in the world, a Grand Slam semifinalist who just played for an Olympic bronze medal and has earned career prize money of well over $4 million....

Serena Williams, Novak Djokovic seeded No. 1 for US Open
NEW YORK (AP) -- Serena Williams is the No. 1 seeded woman for the U.S. Open after barely holding on to the top spot in the rankings, and Novak Djokovic is No. 1 among the men....

Kerber wastes shot at No. 1, Murray's long streak ends, too
MASON, Ohio (AP) -- The final step up to No. 1 was simply too big for Angelique Kerber - this time, anyway....

Tomas Berdych drops out of US Open because of appendicitis
CINCINNATI (AP) -- Tomas Berdych has pulled out of the U.S. Open, saying he's been diagnosed with appendicitis and needs time to recover....

MVPs Gibbs, Harrison face off in final of World Team Tennis
NEW YORK (AP) -- Americans Nicole Gibbs and Ryan Harrison are the MVPs of World Team Tennis....