Stephens beats Tjen in straight sets to reach Guadalajara Open quarter-finals

Sloane Stephens beat Indonesia's Janice Tjen 7-6 (4), 7-6 (3) in Guadalajara, Mexico, to reach the quarter-finals of the Guadalajara Open. Stephens next faces American Peyton Stearns, who upset fourth seed Diane Parry. In Sao Paulo, Latvia's Darja Semenistaja ended a nine-match losing run with a first-round win over Japan's Hayu Kinoshita.