Check back after every round-robin match at the WTA Championships for the latest standings and adjustments.

Last update: After Petra Kvitova's win over Agnieszka Radwanska, the second match on Friday.

The semifinals will be Petra Kvitova vs. Samantha Stosur and Victoria Azarenka vs. Vera Zvonareva.

RED GROUP

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Matches Won/Lost
Sets Won/Lost
Games Won/Lost
***Petra Kvitova (3)
3/0
6/0
37/21
***Vera Zvonareva (6)
1/2
3/5
35/37 (48.6% won)
**Agnieszka Radwanska (8)
1/2
3/5
36/43 (45.5% won)
**Caroline Wozniacki (1)
1/2
3/5
34/41 (45.3% won)

WHITE GROUP

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Matches Won/Lost
Sets Won/Lost
Games Won/Lost
***Victoria Azarenka (4)
2/0
4/0
24/8
***Samantha Stosur (7)
2/1
4/2
29/19
**Li Na (5)
1/2
2/4
18/34
*Maria Sharapova (2)
0/2
0/4
16/26

Player has clinched a spot in the semifinals.
Player has been eliminated from contention.
Player has withdrawn from the tournament.

After each player in a group has completed their scheduled matches, the top two players advance to the semifinals. The tiebreaking procedure is as follows, per the WTA:

The final standings of each group shall be determined by the first of the
following methods that apply:

a. Greatest number of wins;

b. Greatest number of matches played; or

c. Head-to-head results if only two (2) players are tied,

d. If three (3) players are tied then:

i. If three (3) players each have one (1) win, a player having played less than all three (3) matches is automatically eliminated and the player advancing to the single elimination competition is the winner of the match-up of the two (2) players tied with 1-2 records; or

ii. Highest percentage of sets won; or

iii. Highest percentage of games won.