WTA Finals: Petra Kvitova bt. Lucie Safarova

Kvitova struggles a bit, but takes it! 7-5, 7-5 to the Czech, and if Muguruza wins today's second match, Safarova's hopes at the event have ended.

Kvitova holds serve to stay 5-4. Safarova must now serve to stay in the match.

Kvitova up in S2 4-3 after being 0-3 down..now Lucie on serve..that Coke helps pic.twitter.com/Kh3nDr8hPv
— Tennis Insight (@TennisInsight) October 28, 2015

4-4 as the two Czech aces are level.

2 break points! Kvitova looks to take her lead on the way to what she hopes is an unblemished record.. but she's unable to take the break!

Kvitova from 0-3 to 4-3 😂Classic WTA
— TennisAnalyst (@1got2much3time) October 28, 2015

Kvitova breaks back to win next 3 games in a row, levels the score 3-3 in the 2nd set. Can Safarova fight back? pic.twitter.com/QEMdydJGjT
— Live Tennis (@livetennis) October 28, 2015

Safarova's not one to back down! She takes 3 games in a row before Kvitova manages to break again to bring the scoreline to 3-1.

.@Petra_Kvitova grabs the 1st break of the match! Takes the opening set off Safarova 7-5! #WTAFinals https://t.co/TSp4ctMaNp
— WTA (@WTA) October 28, 2015

Kvitova has difficulty breaking Safarova.. but finally takes the set 7-5.

In the event that Safarova takes victory now and Muguruza later, Petra Kvitova will be eliminated, with Muguruza the winner in the White Group.

Kvitova has the lead.. and now looks to seal the set. Set point!

After 10 games, Kvitova & Safarova have won 24 points each and lost only 4 points each off serve #WTAFinals pic.twitter.com/7RtRyGJZIV
— Live Tennis (@livetennis) October 28, 2015

Neck and neck as the pair are level at 5-5 in the first set and 30 all in the game.

2 game points! Petra Kvitova looks to take back her early lead...and does! 3-2.

Safarova zings a winner and Kvitova walks up. First quality rally of the match! #WTAFinals
— Tennis Panorama News (@TennisNewsTPN) October 28, 2015

It's a must-win game for both Czech players to keep their tournament hopes alive.

2-2 on court in Singapore as Safarova holds her own.

Kvitova takes the first game of the match in just under 3 minutes!

Kvitova has a spotless record against Safarova; she has beaten her each time they have met, and across surfaces.

Kvitova and Safarova have met on 7 previous occasions, most recently at New Haven this year.