ATP/WTA

U.S. NATIONAL INDOOR CHAMPIONSHIPS

At Memphis, Tenn.

Surface: Hard-Indoor

Singles

Men

Semifinals

Kei Nishikori (5), Japan, def. Marinko Matosevic, Australia, 6-4, 0-0 retired.

Feliciano Lopez, Spain, def. Denis Istomin, Uzbekistan, 6-2, 3-6, 6-3.

Women

Championship

Marina Erakovic, New Zealand, def. Sabine Lisicki (3), Germany, 6-1, retired.

Doubles

Men

Semifinals

Bob and Mike Bryan (1), United States, def. Alexander Peya, Austria, and Bruno Soares (4), Brazil, 6-3, 7-6 (3).

James Blake and Jack Sock, United States, def. Lukasz Kubot, Poland, and Daniel Nestor (3), Canada, 2-6, 6-4, 12-10.

OPEN 13

At Marseille, France

Surface: Hard-Indoor

Singles

Semifinals

Tomas Berdych (1), Czech Republic, def. Dmitry Tursunov, Russia, 6-2, 6-1.

Jo-Wilfred Tsonga (3), France, def. Gilles Simon (6), France, 6-2, 6-2.

Doubles

Semifinals

Aisam-ul-Haq Qureshi, Pakistan, and Jean-Julien Rojer (1), Netherlands, def. Nicolas Mahut and Edouard Roger-Vasselin, France, 6-3, 6-1.

COPA CLARO

At Buenos Aires, Argentina

Surface: Clay-Outdoor

Singles

Semifinals

David Ferrer (1), Spain, def. Tommy Robredo, Spain, 6-3, 6-2.

Stanislas Wawrinka (3), Switzerland, def. Nicolas Almagro (2), Spain, 6-3, 7-5.

WTADUBAI DUTY FREE CHAMPIONSHIPS

At Dubai, United Arab Emirates

Surface: Hard-Outdoor

Singles

Championship

Petra Kvitova (6), Czech Republic, def. Sara Errani (5), Italy, 6-2, 1-6, 6-1.

COPA CLARO COLSANITAS

At Bogota, Colombia

Surface: Clay-Outdoor

Singles

Semifinals

Paula Ormaechea, Argentina, def. Teliana Pereira, Brazil, 7-6 (5), 6-3.

Jelena Jankovic (1), Serbia, def. Karin Knapp, Italy, 3-6, 6-1, 7-6 (2).