It's Sania Mirza and Martina Hingis who progress to the semi-finals at the WTA Finals Singapore with a stellar performance! They win 7-6, 7-5 with a solid fight from the Chan sisters.
Martina Hingis' experienced hands take this to game, set and match!
Mirza and Hingis BREAK with a well-timed lob from the talented Sania and they'll now serve for the match.
How speedy is that Martina Hingis serve?
The Chan sisters have raced to game point here in Singapore!
And it's raining breaks here! Scores are level again. It's been some time sine anyone held serve here.
But the breaks have been courtesy some net cords for the Chan sisters. the Hingis-Mirza combine still works well, but their mojo appears to have dulled somewhat following the split.
And it's the third consecutive break. Hingis and Mirza are once again up a break of serve here in Singapore, leading 3-2 in the second.
A netted lob from Hao-ching Chan gives Mirza the point - and now it's the third consecutive break point after a long shot from her sister.
That thrill didn't last too long. Chan and Chan pull out some great tennis after a pep-talk from their coach and father - and they break back - to LOVE!
The rallies are getting stronger and longer and it's Mirza and Hingis who take the first break in the second! They lead 2-1.
And an ace to seal it from Sana Mirza, just like that!
A wonderful rally from both teams for that point! Mirza and Hingis throwing everything but the kitchen sink at that one and there's net play, court play and the Indian bringing the ball back into play from apparent death!
And at 11-10, there's a ridiculously close set that goes to Mirza and Hingis!
Set point Chan-Chan! The THIRD one. And now scores are at 10-10. Tiebreak in a tiebreak.
Break back! We'll now see a first set tiebreak!
Oops! That's the first break of the match which goes to the Chan sisters and they will now serve for the set.
Now the Chan sisters will serve to stay in the set!
Mirza and Hingis have strategically been using a combined strategy, with one player at the net and the other further towards the baseline.
Mirza and Hingis are receiving a bit of advice from Mirza's coach and father Imran, who is suggesting they rush the net a bit more.
Beautiful slice from Yung-jan Chan there cleanly bisects Mirza and Hingis to bring the scores level again.
Hingis places that forehand near-perfectly for the final point of the game. 4-3 to the Indo-Swiss pair!
Some classic SanTina rallies from the two today. Despite the split, the pair appear to have their coordination of old.
And that's why Martina Hingis and Sania Mirza were so successful. Hingis brilliant around the net there and Mirza brings out a quick lob. Quickly they take the game for a 3-2 lead!