May 5 (Infostrada Sports) - Results from the Madrid Open Women's Singles Round 1 matches on Sunday
Varvara Lepchenko (U.S.) beat 12-Roberta Vinci (Italy) 6-1 1-6 6-2
11-Nadia Petrova (Russia) beat Camila Giorgi (Italy) 6-3 4-6 6-4
Svetlana Kuznetsova (Russia) beat Zheng Jie (China) 6-2 6-3
13-Maria Kirilenko (Russia) beat Klara Zakopalova (Czech Republic) 6-3 2-1 (Zakopalova retired)
Ekaterina Makarova (Russia) beat Lucie Safarova (Czech Republic) 6-2 7-5
Madison Keys (U.S.) beat 5-Li Na (China) 6-3 6-2
Chanelle Scheepers (South Africa) beat Jelena Jankovic (Serbia) 6-7(1) 6-3 6-3
16-Ana Ivanovic (Serbia) beat Bethanie Mattek-Sands (U.S.) 6-7(10) 6-3 6-2
8-Petra Kvitova (Czech Republic) beat Yanina Wickmayer (Belgium) 4-6 7-5 6-4
Maria Teresa Torro (Spain) beat Francesca Schiavone (Italy) 6-2 7-5
Sorana Cirstea (Romania) beat Ayumi Morita (Japan) 3-0 (Morita retired)
Kaia Kanepi (Estonia) beat Flavia Pennetta (Italy) 6-3 6-7(6) 6-2
1-Serena Williams (U.S.) beat Yulia Putintseva (Kazakhstan) 7-6(5) 6-1
4-Agnieszka Radwanska (Poland) beat Tsvetana Pironkova (Bulgaria) 6-2 6-4
6-Angelique Kerber (Germany) beat Hsieh Su-Wei (Taiwan) 3-6 6-3 6-2
Anabel Medina Garrigues (Spain) beat Stefanie Voegele (Switzerland) 6-3 6-3
Yaroslava Shvedova (Kazakhstan) beat 10-Caroline Wozniacki (Denmark) 6-2 6-4
15-Dominika Cibulkova (Slovakia) beat Lesia Tsurenko (Ukraine) 6-3 6-2
14-Marion Bartoli (France) beat Elena Vesnina (Russia) 6-3 3-0 (Vesnina retired)
