Petra Kvitova ended the run of qualifier Jessica Pegula to set up a 2018 final rematch against Garbine Muguruza at the Qatar Open.
Kvitova saw off Pegula in straight sets, triumphing 6-4 6-4, meaning she will be involved in the final of the tournament for a third time in four years.
Having twice let slip breaks in the opener, the 2020 runner up edged ahead again at 5-4 before serving out for a 1-0 lead.
Pegula appeared set to draw level when she raced 3-0 ahead in the next, only to be pegged back by Kvitova, who hit 26 winners and the same number of unforced errors. Victory was eventually sealed after one hour and 18 minutes on court.
The two-time Wimbledon champion secured the trophy in Doha three years ago by beating Muguruza, who did not even have to hit a ball to progress on Friday after opponent Victoria Azarenka withdrew from their semi-final due to a back injury.
That title showdown in 2018 went the distance, Kvitova rallying after losing the opening set to eventually prevail.
"I think it's going to be a tough match," Muguruza said, according to the WTA Tour's official website.
"We played here in another final three years ago, so just looking forward to playing that match and hopefully getting the trophy."
The Spaniard has been in impressive form this week, ending Aryna Sabalenka's hopes of defending her crown in the last 16 before thrashing Maria Sakkari in a lopsided quarter-final.
Meanwhile, in Friday's action at the Lyon Open, second seed Fiona Ferro rallied from a set down to beat fellow Frenchwoman Clara Burel and reach the semi-finals.
Ferro's 2-6 6-1 6-3 triumph means she is certain to break into the top 40 in the world for the first time in her career.
The only other seed left in the draw is Paula Badosa, the Spaniard knocking out Kristina Mladenovic. Her reward is a last-four clash with qualifier Clara Tauson, conqueror of Camila Giorgi in straight sets.
Andy Murray revealed he may play alongside brother Jamie in the men's doubles at Wimbledon, with the pair to make a decision "in the next few days".
Murray and Dan Evans fell at the first hurdle of the men's doubles at the French Open on Friday, as the British duo were defeated 7-6 (8-6) and 7-6 (7-3) by Thiago Seyboth Wild and Sebastian Baez.
It was expected to be the three-time grand slam singles champion's final appearance at Roland-Garros, after he revealed in February that he does not "plan on playing much past this summer".
Murray, who was beaten by Stan Wawrinka in the opening round of the men's singles, now turns his attention to the grass-court season, which "may" include a familiar partnership at Wimbledon with brother Jamie - a two-time mixed doubles champion at SW19.
The brothers have also played together at two Olympics - in 2008 and 2016 - while their prolific partnership helped inspire Great Britain to Davis Cup glory in 2015.
"My brother doesn't have a partner for Wimbledon currently," said the 37-year-old, who last played in the men's doubles at SW19 five years ago alongside Pierre-Hugues Herbert.
"We have spoken a little bit about it. So I may do that, but not 100 per cent sure yet. [We will decide] ahead of time. Obviously, Jamie could also get a good partner, as well. We'll see what happens, but we'll probably decide in the next few days."
Murray also reflected on his and Evans' first-round exit at Roland-Garros, where he felt his progress was hampered by an ongoing back problem.
"It's been frustrating for everyone," he added. "I felt like we had a good chance to do well, and we agreed if we were going to play, we would play to try and win the tournament.
"I have been struggling a little bit with my back the last couple of weeks, so I probably needed a few lighter days anyway."
Alcaraz turns on the style to beat Korda at Roland Garros
Carlos Alcaraz dug deep to overcome a spirited performance from Sebastian Korda in the third round of the French Open, claiming a 6-4 7-6 (7-5) 6-3 win.
Korda failed to build on an early break as Alcaraz took the opener on Court Philippe-Chatrier, but he appeared to have the Spaniard on the ropes when he forced a second-set tie-break.
However, the two-time grand slam champion clinched the tie-break with a huge forehand winner and seemed to grow in stature from there, moving well and displaying too much power for his American opponent.
Alcaraz put Korda under pressure from the off in the third set and did not give up a single break point on his own serve, converting the first of two match points with a neat serve and volley.
He will face either Ben Shelton or Felix Auger-Aliassime next, with Stefanos Tsitsipas potentially lurking in the quarter-finals.
Data Debrief: Alcaraz just too good
As was the case against Jesper de Jong in round two, Alcaraz looked to be under serious pressure on Friday, only to step things up and pull away from his opponent.
He has now won 14 of his 17 singles matches at the French Open, with his win ratio of 82.4 per cent the third highest among active male players, after Rafael Nadal (96.6 per cent) and Novak Djokovic (85.3 per cent).
Swiatek celebrates birthday with routine win over Bouzkova
Iga Swiatek marked her 23rd birthday with a straight-sets victory over Marie Bouzkova at the French Open on Friday, maintaining her charge for a third successive Roland-Garros title.
Swiatek was pushed all the way by Naomi Osaka in her second-round match on Wednesday, but she enjoyed a far more serene outing on Court Philippe-Chatrier in the third round.
The world number one raced to a 6-4 6-2 win as Bouzkova struggled to match her heavy-hitting, and she could even afford to surrender one of her two breaks at the tail end of the opener.
Swiatek broke immediately at the start of the second set, setting the tone for a powerful finish to the match, her victory fittingly sealed with a thumping forehand up the line.
She will face Anastasia Potapova next up after the Russian overcame Wang Xinyu in three sets on Friday.
Data Debrief: Perfect celebration for Swiatek
Since the WTA rankings were first published in 1975, only two world number ones have won a match at Roland Garros on their birthday, Justine Henin in 2007 and Swiatek on Friday.
She is also the only player this century to reach the fourth round of the women's draw on each of her first six French Open appearances.
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