UPDATE 4-Tennis-China Open women's singles second round results

Oct 6 (Reuters) - China Open women's singles second round
results on Tuesday (prefix denotes seeding, * new result).
* 13-Nadia Petrova (Russia) beat Daniela Hantuchova (Slovakia)
6-1 2-6 7-5
12-Agnieszka Radwanska (Poland) beat Patty Schnyder
(Switzerland) 6-4 6-1
Peng Shuai (China) beat 8-Jelena Jankovic (Serbia) 4-6 7-5 6-2
2-Serena Williams (US) beat Ekaterina Makarova (Russia) 6-3 6-2
7-Vera Zvonareva (Russia) beat Francesca Schiavone (Italy) 6-3
6-0
14-Marion Bartoli (France) beat Alisa Kleybanova (Russia) 6-2
6-3
Maria Sharapova (Russia) beat 9-Victoria Azarenka (Belarus) 6-3
6-7(5) 7-5
10-Flavia Pennetta (Italy) beat Kateryna Bondarenko (Ukraine)
3-6 7-5 6-3
4-Elena Dementieva (Russia) beat Melinda Czink (Hungary) 6-4
6-3
Maria Jose Martinez Sanchez (Spain) beat Vania King (U.S.) 6-4
6-4
(Compiled by Infostrada Sports; Editing by Toby Davis)