WTA Finals Singapore: Garbine Muguruza bt Lucie Safarova

And it's the WIN to Garbine Muguruza who beats Lucie Safarova in sraight sets - 6-3, 7-6 after taking the second set tiebreaker!

A wide ace from Muguruza for 5-3 - but Safarova pulls back on serve with an attacking return. 4-5. pic.twitter.com/sFb9kdRb2T
— Live Tennis (@livetennis) October 26, 2015

Muguruza leads Safarova 4-1 in the second-set tie break, although Safarova has a good record with tiebreakers.

Safarova won all 3 tie-breaks she was involved in during this year's French Open, including in the final against Serena #WTAFinals
— Stephen (@ste_tennis) October 26, 2015

Lucie Safarova holds serve! At 6-6, it's time for a second set tie break!

If Safarova holds serve, we'll see a second-set tie-breaker!

WTA Finals: Garbine Muguruza wins her last service game of the second set to 30! Now 6-3 6-5 against Lucie Safarova! #Tennis #Singapore
— Tennisweek.de (@TennisweekDE) October 26, 2015

Game point for Garbine Muguruza.. and she takes it! She leads Safarova 6-5 in the second set as Safarova serves.

And Safarova stays afloat! It's now 5-5 to the Muguruza-Safarova pair.

Safarova is unable to break Muguruza, who takes the game and is now up 5-4. Safarova now serving to stay in the match.

Safarova fends off 3 break points for deuce, but Muguruza throws in a drop shot for a 4th ... Safarova saves again. pic.twitter.com/I0xqRBCbKM
— Live Tennis (@livetennis) October 26, 2015

Break point! Safarova looks set to take this game.

4 aces to Muguruza in this set, and 3 to Safarova; the pair are now equal again, with 4 games apiece.

Muguruza hits her 8th ace of the match to take the lead 4-3 in the second set.

Controversial! Muguruza challenges a call on BP, is correct & umpire gives her the point & the game. 3-3. pic.twitter.com/tpRORfmrrl
— Live Tennis (@livetennis) October 26, 2015

Muguruza breaks Safarova for the equaliser, and Safarova is NOT happy about the line call..

#Muguruza breaks now 3-3 2nd set after taking 1st 6-3 v #Safarova #WTAFinals got firepower off ground but not serve pic.twitter.com/rBNZTOgfLy
— Singapore Tennis (@OnCourtAd) October 26, 2015

Every match so far has gone down to the wire, with Muguruza coming back to equalise the set at 3 games apiece.

Could Safarova take this set? She's up 3-1 against Muguruza after a first set routing.

Safarova has come back in the second set, however, and she's now up 2 games to nil.

Spain's Muguruza hit 5 aces to her competitor's 4, and saved a break point in the first set.

Muguruza absolutely steamrolled her lower-ranked opponent in the first set, taking it convincingly 6-3.