Petra Kvitova came through a see-saw battle with Ashleigh Barty to progress to the final of the Qatar Open, where she will face Aryna Sabalenka.

World number one Barty had survived a three-set clash with Garbine Muguruza to reach the last four in Doha, but two-time Wimbledon champion Kvitova proved too strong on Friday.

Barty appeared to have the momentum after levelling the match by taking the second set in comfortable fashion.

However, an engrossing third went the way of Kvitova, even if was far from straightforward.

A sliced Barty backhand into the net gave Kvitova a break in the fifth game of the decider, only for the Czech to surrender it straight back when she fired wide off the same wing.

Yet a blistering crosscourt backhand return earned Kvitova the advantage again and a place in the final was secured when Barty looped a forehand wide to seal a 6-4 2-6 6-4 win for the 2018 champion.

Sabalenka's victory over Svetlana Kuznetsova was more routine.

The 21-year-old is making her debut at the tournament, but youth triumphed over experience in comfortable fashion as she needed only an hour and 17 minutes to prevail 6-4 6-3.

It is now 10 career WTA singles finals for Sabalenka, who has lost two of her three meetings with Kvitova, her solitary win coming at the 2018 US Open.

Ash Barty survived a back-and-forth encounter against the in-form Garbine Muguruza to set up a date with familiar foe Petra Kvitova, who ended Ons Jabeur's run at the Qatar Open.

World number one Barty needed three sets to see off Australian Open finalist Muguruza in Doha, while Kvitova won a pair of tie-breaks in her quarter-final with Jabeur. 

Veteran Svetlana Kuznetsova earned a share of tournament history with an upset win over fourth seed Belinda Bencic.

The Russian now faces Aryna Sabalenka, who came from behind to defeat Saisai Zheng in the day's opening match.


BARTY OUT TO CONTINUE KVITOVA RUN

Barty endured a second-set dip in her 6-1 6-7 (4-7) 6-2 beating of Muguruza, who has reached at least the last eight in each of her five tournaments in 2020.

The Australian, playing at her first event since reaching the semis of her home slam in Melbourne, did not face a single break point in the opening set but was met with a much sterner test in the second.

Barty raced into a 5-2 lead in the decider, though, and fought back from 40-15 in the final game to set up a showdown with Kvitova, who she has beaten in their previous four meetings - including a straight-sets win at the Australian Open.

Kvitova, the 2018 champion, edged to a 7-6 (7-2) 7-6 (7-4) win over Jabeur, who has enjoyed a stellar year thus far and became the first Arab woman to reach a major quarter-final in Melbourne.


MILESTONE FOR KUZNETSOVA 

Kuznetsova was in devastating form against Bencic, hitting 39 winners and just 15 unforced errors in a 6-4 6-4 triumph.

A runner-up in 2004 and 2007, Kuznetsova now has 19 match wins in Doha, which ties the record held by retired former world number one Caroline Wozniacki.

"I have amazing memories," said Kuznetsova, who is in to her first Doha semi since 2007. 

"It was my first time when I beat Justine [Henin] here [in the 2004 semi-finals] and it was like I was a kid, I was 19. 

"I climbed from number 30-something to number 13 or number 14 and it was amazing. It was so long ago it was like another life, but it really happened to me - I didn't watch it in the movies."

Sabalenka will try to end Kuznetsova's run after a 3-6 7-6 (7-2) 6-3 defeat of Zheng.

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