Coco Gauff made the most of a second chance at the Linz Open, while Belinda Bencic suffered a surprise defeat on Tuesday.

Teenage sensation Gauff was defeated by Tamara Korpatsch in qualifying on Monday but entered the main draw as a lucky loser when sixth seed Maria Sakkari withdrew with a right wrist injury.

The American 15-year-old, playing her first WTA Tour event since losing to Naomi Osaka at the US Open, defeated Stefanie Voegele 6-3 7-6 (7-3) in two hours and two minutes to set up a meeting with Kateryna Kozlova in the second round.

Speaking about her last-minute entry into the main draw, Gauff told a news conference: "It was very surprising because I was supposed to do a press thing today. I had practiced earlier, went back to the hotel, and then got a phone call, and was back on court 40 minutes later.

"I didn't know too much about my opponent; I found out a little how she plays through word of mouth, but most of it was me improvising.

"This is my first WTA win indoors. I live in Florida, so we don't get a chance to play indoors that much, but I enjoy it."

Second seed Bencic lost in three sets to qualifier Anna-Lena Friedsam, but Donna Vekic – seeded fourth – cruised past Polona Hercog 6-1 6-1.

Barbora Strycova lost 6-4 6-4 to Alize Cornet, while Julia Goerges and Kristina Mladenovic were among the other victors.

Anastasia Pavlyuchenkova will meet a familiar foe in the form of Kiki Bertens after comfortably dispatching of Dayana Yastremska 6-3 6-1 in round one of the Pan Pacific Open in Osaka.

World number 28 Yastremska – ranked 13 places higher than her opponent – showed flashes of her ability and power, but she ultimately paid the price for an erratic performance.

Yastremska made 23 unforced errors and could only hit 10 winners in the 55-minute contest, with Pavlyuchenkova's more considered and careful approach paying dividends.

Pavlyuchenkova's dubious reward is a fourth encounter of the year with Bertens, who she lost to at the US Open.

The Russian did come out on top at the Australian Open but was defeated by Bertens in St Petersburg prior to her loss at Flushing Meadows.

Ninth seed Elise Mertens – the highest ranked player in action on Monday – sailed through in similarly comfortable fashion, beating Whitney Osuigwe 6-3 6-1.

Alison Riske had no such fortune, however, losing to fellow American Nicole Gibbs 6-4 6-3 despite the latter being ranked 105 places below her in the WTA rankings.

Reigning Olympic champion Monica Puig crashed out in comprehensive fashion, as Zarina Diyas hammered her 6-0 6-3.

The day's longest contest – by far – lasted two hours and 43 minutes, as Viktoriya Tomova came through 4-6 6-3 6-2 against France's Alize Cornet.

Camila Giorgi was pushed all the way in the first set against Han Xinyun before easing to victory in the second, with her 7-6 (8-6) 6-1 triumph ensuring she was one of few to prevent a surprise.

Naomi Osaka is the top seed for the tournament, though she does not begin her bid for success on home soil until later in the week.

Madison Keys – the fifth seed – starts her campaign on Tuesday, as she goes up against Daria Kasatkina.

Top seed Karolina Pliskova was rescued by the rain at the Zhengzhou Open as Polona Hercog's fightback was brought to a halt.

Pliskova started brightly to take the first set 6-3 but the world number two was serving to stay in the second at 5-2 down when the weather intervened, as it had several times during the day.

The duo will resume on Thursday at the WTA Premier event to settle who will make it through to the last eight.

Sofia Kenin awaits the winner after the sixth seed defeated Alize Cornet 6-4 6-2.

Petra Martic, seeded seventh, also progressed but had to battle back from a set down to overcome Fiona Ferro 3-6 6-1 6-2.

There was one seed who suffered a loss, though, with Caroline Garcia beaten 7-5 6-2 at the hands of Kristina Mladenovic.

Alize Cornet and Bernarda Pera cruised into the Bronx Open second round on a rain-hit Sunday in New York City.

Cornet recorded a 6-4 6-2 victory over Kateryna Kozlova at the inaugural edition of the WTA International tournament.

The Frenchwoman made it two wins in as many meetings with Kozlova, converting five of seven break points in a dominant showing.

In the day's only other main-draw match, Pera – a wildcard – breezed past Veronika Kudermetova 6-0 6-2.

The unseeded Fiona Ferro took Alize Cornet apart in the final set of an all-French final to win her maiden WTA title at the Ladies Open Lausanne.

Ferro held her nerve in her first singles final to beat the defending champion 6-1 2-6 6-1 on Sunday.

Third seed Cornet won the title when the event was staged in Gstaad last year, but there was to be no repeat as the 98th-ranked Ferro denied her compatriot.

The 22-year-old Ferro lost just six points on serve in the first set and broke twice as Cornet struggled to get going.

Cornet responded well in the second, grasping all three break-point opportunities to level the match, but she was unable to maintain the momentum.

Ferro got on a roll to win five games in a row in her first encounter with Cornet to take the title.

Patricia Maria Tig continued her fairy-tale run at the Bucharest Open by cruising into Sunday's final.

The Romanian qualifier does not have a world ranking and is making her first WTA main draw appearance since 2017 after struggling with multiple injuries as well as giving birth to her daughter in the past year.

And Tig's week to remember at her home tournament went on with an emphatic 6-3 6-1 triumph over sixth seed Laura Siegemund.

Tig has only lost one set all week and saved each of the eight break points she faced against Siegemund, winning in 87 minutes.

"It's very, very special to be in the final in Bucharest," said the emotional victor, who has beaten three seeded players to reach her first final in four years.

Tig, 24, will meet either Elena Rybakina or Martina Di Giuseppe in in the showpiece, the second semi-final having been heavily disrupted by rain.

The final of the Ladies Open Lausanne will see Alize Cornet take on Fiona Ferro in an all-French affair after both players won their last-four matches in straight sets.

Ferro saw off Bernarda Pera 6-1 6-4 in Saturday's opening match to reach a first WTA final, her American opponent failing to register a single break of serve.

Number three seed Cornet, who won the event last year when it was played in Gstaad, then got the better of Tamara Korpatsch 6-3 6-4 in two sets that by contrast produced 11 breaks.

"I think it's going to be hard and beautiful at the same time," Cornet said ahead of the clash with her compatriot. "[Ferro is] the new generation of the French players, and she's such a nice girl.

"She's a bit like my little sister on the tour, and I like her a lot. It's always tough, especially when you play a friend. But in both cases it's going to be beautiful, because either I win or my friend wins."

Patricia Maria Tig continued her impressive run at the Bucharest Open on Friday, knocking out Kristyna Pliskova to reach the semi-finals.

Appearing in the main draw of a WTA Tour tournament for the first time since 2017, Romanian Tig continued to enjoy home comforts as she upset her eighth-seeded opponent 6-3 3-6 6-3 after one hour and 49 minutes on court.

Elena Rybakina knocked out second seed Viktoria Kuzmova to also reach the semi-finals, leaving Laura Siegemund - who will face Tig next after defeating Irina-Camelia Begu - as the last seeded player left in contention.

Barbora Krejcikova followed fellow Czech Pliskova in slipping out in the last eight, losing in straight sets to Martina Di Giuseppe in Friday's final match.

At the Ladies Open Lausanne, Alize Cornet rallied impressively from a set down to defeat Natalia Vikhlyantseva and reach the last four.

The third seed - who won the tournament last year when it was held in Gstaad - proclaimed the 4-6 6-1 6-3 victory to be her "best match" of the tournament so far and will next fact Tamara Korpatsch, a winner in three sets against Jil Teichmann, the last remaining Swiss player in the field. 

In the other half of the draw, Fiona Ferro eased past former US Open champion Samantha Stosur, triumphing 6-4 6-2.

Her next opponent will be Bernarda Pera, who came through in a deciding set against Han Xinyun.

Second seed Caroline Garcia was shocked at the Ladies Open Lausanne on Wednesday, downed in straight sets by Bernarda Pera.

Pera, ranked 85th in the world, proved too strong in a 6-2 6-4 victory to set up a quarter-final meeting against Xinyun Han.

The left-hander won the last five games of the first set and never looked back and said afterwards her second serve was key.

"You can say I'm satisfied. I played well," Pera said.

"She's a tough opponent and I'm thrilled to be in the next round. I think she was struggling a lot with my second serve.

"I was able to break her a couple of times and that's what made the difference."

Han beat Liudmila Samsonova 7-5 6-4, while Australian Daria Gavrilova was another big name beaten at the event, Russian Natalia Vikhlyantseva toppling the seventh seed 6-3 6-2.

Vikhlyantseva will play third seed Alize Cornet in the last eight, the Frenchwoman coasting to a 6-1 6-1 success against Jasmine Paolini.

Also on Wednesday, Laura Siegemund and Kristyna Pliskova won at the Bucharest Open.

Sixth seed Siegemund defeated Lara Arruabarrena 7-5 6-3 and Pliskova did it even easier, cruising past Ysaline Bonaventure 6-0 6-2.

Martina Di Giuseppe came from behind to topple Varvara Lepchenko 3-6 6-1 7-6 (7-3) and Irina-Camelia Begu beat Kaja Juvan 6-4 6-3, while Viktoria Kuzmova defeated Jaimee Fourlis 7-5 6-2 in the late match.

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