Indian Wells: Women's 4th Round

Also on Tuesday, the women completed their 4th round and the quarterfinals are set.  Here are those ladies:

2) Caroline Wozniacki (DEN): defeated 16) Petrova, 6-0 in the 3rd;
4) Elena Dementieva (RUS): defeated 19) Rezai, 3 and 3; Good run by the Frenchwoman
5) Agnieszka Radwanska (POL): defeated 11) Bartoli, 3 and 2;
6) Jelena Jankovic (SRB): defeated 17) Peer, 2 and 2; Could this be called an upset?
8) Samantha Stosur (AUS): defeated 12) Zvonareva, 6-2, 7-5; **Fails to defend title**, Vera's ranking will dive more;
18) Jie Zheng (CHN): defeated Molik, 7-1 in 3rd set tiebreak; Good performance by the Aussie;
23) Alisa Kleybanova (RUS): defeated Suarez Navarro; Alisa is the hottest Russian right now;
28) Maria Jose Martinez Sanchez (ESP): defeated 13) Wickmayer, 4 and 4; All the Belgians gone??

With the departure of Zvonareva, only Wozniacki and Radwanska remain from last year's 8 quarterfinalists and they both lost their matches last year.  The matchups, to be played Wednesday and Thursday:

-Jankovic vs Kleybanova
-Stosur vs Martinez Sanchez
-Dementieva vs Radwanska
-Wozniacki vs Zheng