WTAOPEN GAZ DE FRANCE SUEZ

At Paris

Surface: Hard-Indoor

Singles

Quarterfinals

Kiki Bertens, Netherlands, def. Lucie Safarova (6), Czech Republic, 6-1, 7-5.

Sara Errani (1), Italy, def. Carla Suarez Navarro, Spain, 7-5, 4-6, 7-5.

Mona Barthel, Germany, def. Marion Bartoli (3), France, 7-6 (7), 6-4.

Kristina Mladenovic, France, def. Petra Kvitova (2), Czech Republic, 6-3, 6-4.

PTT PATTAYA WOMEN’S OPEN

At Pattaya, Thailand

Surface: Hard-Outdoor

Singles

Quarterfinals

Sabine Lisicki (5), Germany, def. Marina Erakovic, New Zealand, 5-7, 6-3, 6-2.

Sorana Cirstea (4), Romania, def. Anastasija Sevastova, Latvia, 6-3, 6-0.

Maria Kirilenko (2), Russia, def. Elena Vesnina (7), Russia, 7-6 (6), 6-3.

Davis Cup

WORLD GROUP

First Round

Winners to quarterfinals, April 5-7

United States vs. Brazil

At Jacksonville, Fla.

Surface: Hard-Indoor

Singles

Sam Querrey, United States, def. Thomaz Bellucci, Brazil, 6-3, 6-4, 6-4.

John Isner, United States, def. Thiago Alves, Brazil, 6-3, 7-6(4), 6-3.