Maria Sakkari, Daria Kasatkina keep WTA Finals hopes alive in Guadalajara, 13 players still in contention
Maria Sakkari and Daria Kasatkina both kept their hopes of qualifying for the WTA Finals alive by reaching the last 16 in Guadalajara. World No. 6 Sakkari beat Marta Kostyuk 6-4 6-4 to temporarily move into the last qualifying spot above Veronika Kudermetova, who plays her first match of the tournament against Donna Vekic on Wednesday.


