NEW YORK » After a late night playing singles at the U.S. Open, Serena Williams returned this afternoon and teamed with sister Venus for a 6-4, 6-4 doubles victory over Americans Raquel Kops-Jones and Abigail Spears.

Serena Williams didn’t wrap up her singles win over Yaroslava Shvedova the night before until 1:05 a.m. On Sunday afternoon, she’ll play her fourth-round singles match against American Sloane Stephens in a rematch of Stephens’ win in the Australian Open quarterfinals.

Meanwhile, in doubles, the Williams sisters are in search of their 14th Grand Slam tournament title. Their next match is against 11th-seeded Anastasia Pavlyuchenkova and Lucie Safarova.