Tennis-Williams sisters accept U.S. Open doubles wildcard

FILE PHOTO: Tennis - French Open - Roland Garros, Paris, France - May 30, 2018 Serena Williams and Venus Williams of the U.S. celebrate after winning their first round doubles match against Japan's Shuko Aoyama and Miyu Kato REUTERS/Charles Platiau

(Reuters) - Serena Williams and older sister Venus have accepted a doubles wildcard for the U.S. Open, tournament organisers said on Saturday.

The Williams sisters are two-times doubles champions at season's final major, having triumphed together in 1999 and 2009. Together they have won 14 women's Grand Slam doubles titles.