Iga Swiatek has booked her place in the Madrid Open semi-finals after battling back from a set down to defeat Beatriz Haddad Maia.

The top seed, who made it to the final last year, dropped a set for the first time in this tournament before recovering to win 4-6 6-0 6-2 in a match that lasted just short of two-and-a-half hours.

These two players met in the French Open semi-finals last year and 11th seed Haddad Maia was eyeing an upset when she fought back from 4-1 down to claim the opener.

But Swiatek dropped serve just once in the next two sets as she assumed full control and swept to victory, powered by winning eight straight games from the start of the second set.

Data Debrief: Swiatek statistics up there with the best

Up next for Swiatek will be a last-four clash against either Ons Jabeur or Madison Keys, who play later on Tuesday. That will be her 15th WTA 1000 semi-final appearance since 2020, with no other player having made it to double figures (Aryna Sabalenka and Maria Sakkari are the next best on eight each).

Beating Haddad Maia also means Swiatek has equalled Serena Williams and Maria Sharapova as the fastest player to reach 25 WTA 1000 wins on clay, doing so in just 29 matches.

And Swiatek's emphatic second set saw her tie Coco Gauff for the most number of 6-0 sets won so far this year. They both have seven, just ahead of Sabalenka (five).

Defending champion Sabalenka plays Mirra Andreeva in the last eight on Wednesday after battling past Danielle Collins in three sets. All three of her wins so far have been in deciding sets.

The other last-eight clash is between Elena Rybakina and Yulia Putintseva.

Madison Keys is through to the quarter-final of the Madrid Open for the first time in her career after rallying to a 7-6 (7-4), 4-6, 6-4 win over Coco Gauff on Monday.

The 29-year-old trailed 5-2 in the first set and 4-2 in the third set but rallied in both to come from behind to beat the number three seed.

Despite winning the second set, Gauff struggled to find her rhythm, suffering from 13 double faults, including two in the final game.

Keys will face former Madrid Open champion Ons Jabeur for a spot in the semi-final after the number eight seed overcame Jelena Ostapenko in straight sets.

Data debrief: Keys reaches new milestone

Having lost in the first round in seven of her nine previous trips to the Spanish capital, Keys has now bettered her previous best finish in Madrid - a third-round showing in 2016.

Keys hadn't won three matches in a row since reaching the US Open semifinals last year.

Madison Keys is through to the quarter-final of the Madrid Open for the first time in her career after rallying to a 7-6 (7-4), 4-6, 6-4 win over Coco Gauff on Monday.

The 29-year-old trailed 5-2 in the first set and 4-2 in the third set but rallied in both to come from behind to beat the number three seed.

Despite winning the second set, Gauff struggled to find her rhythm, suffering from 13 double faults, including two in the final game.

Keys will face former Madrid Open champion Ons Jabeur for a spot in the semi-final after the number eight seed overcame Jelena Ostapenko in straight sets.

Data debrief: Keys reaches new milestone

Having lost in the first round in seven of her nine previous trips to the Spanish capital, Keys has now bettered her previous best finish in Madrid - a third-round showing in 2016.

Keys hadn't won three matches in a row since reaching the US Open semifinals last year.

Iga Swiatek continued her march towards back-to-back Madrid Open finals by crushing home favourite Sara Sorribes Tormo in straight sets in the last 16 on Monday.

The world number one – who lost to Aryna Sabalenka in last year's final – made a poor start as Sorribes Tormo surprisingly broke her serve in the opening game, but that only spurred her into action as she dominated from there.

Swiatek broke back immediately and reeled off 12 straight games to advance 6-1 6-0, going one better than her 6-1 6-1 win over Sorana Cirstea in the last 32.

On clay, Swiatek has now won nine of her 55 WTA 1000-level sets by 6-0, with that remarkable rate of 16.4 per cent being the highest of any player to have played 10 or more sets in the format's history (completed matches only).

Swiatek will face Beatriz Haddad Maia in the last eight on Tuesday, with the Brazilian upsetting Maria Sakkari 6-4 6-4 to reach her first quarter-final at the event.

Data Debrief: Swiatek unstoppable on clay?

Swiatek's meeting with Haddad Maia will represent her 14th quarter-final in 18 WTA events played on clay, meaning she has reached that stage on 77.8 per cent of her appearances on the surface.

Since the turn of the century, only two players have a higher rate of quarter-finals reached on clay – Martina Hingis (85.7 per cent, 12/14) and Justine Henin (80.6 per cent, 25/31).

Ons Jabeur cruised into the Madrid Open quarter-finals on Monday, spending just over an hour on court in a statement 6-0 6-4 win over ninth seed Jelena Ostapenko. 

Jabeur, who won her first and so far only WTA 1000 title in Madrid in 2022 then missed last year's tournament through injury, made it nine wins in a row in the Spanish capital to book a last-eight meeting with either Coco Gauff or Madison Keys.

Eighth seed Jabeur only needed 68 minutes to see off the former French Open champion, not dropping a game in a 21-minute opener in which she won 88 per cent of first-serve points.

Ostapenko improved in the second set, breaking back immediately after losing serve in the opening game, but Jabeur got the crucial break to go 5-4 up before serving the contest out.

Data Debrief: Jabeur dominates on the clay

Jabeur's win sealed her third quarter-final appearance at a WTA 1000-level event on clay since 2020. Only world number one Iga Swiatek (four) has reached more during that span.

A dominant start did the trick for the Tunisian on Monday, as she became the first player to take an opening set 6-0 against a top-10 ranked player in Madrid since the 2021 final, when Aryna Sabalenka did so in her victory over Ashleigh Barty.

Aryna Sabalenka was forced to go the distance again at the Madrid Open as she battled past Robin Montgomery on Sunday.

Sabalenka, the reigning Madrid Open champion, needed three sets to win her second-round tie against Magda Linette on Friday, and the second seed did not have an easy ride against American Montgomery.

However, she eventually got over the line, triumphing 6-1 6-7 (5-7) 6-4 to tee up a last-16 meeting with Danielle Collins, who defeated Jaqueline Cristian 3-6 6-4 6-1.

Collins has now reeled off 15 straight wins, having won the Miami Open and Charleston Open in recent weeks, and has progressed to the last 16 in Madrid for the first time in her career.

The American said: "I've been doing so well the last couple of weeks, I think the girls know that when they come out and play me, they've got to go for it. 

"That certainly was taking place the last two matches, some big shots that I've had to counter, and be able to react quickly."

Data Debrief: Sabalenka up there with Serena

Sabalenka has now won 14 of her 17 matches at the Madrid Open, which she won in 2023 and 2021.

Since the inception of the tournament, only Serena Williams (15) has won more of her first 17 matches at the event.

Iga Swiatek stormed through to the Madrid Open last 16 following a dominant straight-sets victory over Sorana Cirstea.

The world number one dropped just two games as she inflicted a comprehensive 6-1 6-1 rout on her Romanian opponent in the Spanish capital.

Swiatek, who was runner-up to Aryna Sabalenka in last year's event, will play Sara Sorribes Tormo in the round of 16 after the Spaniard defeated two-time Australian Open champion Victoria Azarenka.

The Pole is now 26-4 for the season, in which she has already triumphed at the Qatar Open and Indian Wells Open, as she eyes the ninth WTA 1000 singles title of her career.

Data debrief

Swiatek is through to her sixth round of 16 from seven main-draw appearances in WTA 1000 events on clay (85.7 per cent) - the highest percentage rate among players with at least five such appearances since the format's introduction in 2009.

The three-time French Open champion also boasts the best WTA match win rate of any player since 2000 on clay (87 per cent). Overall, only Chris Evert (94.5 per cent), Margaret Court (89.5 per cent) and Steffi Graf (89.2 per cent) boast a higher percentage in the Open Era.

Aryna Sabalenka got her Madrid Open campaign started with a 6-4 3-6 6-3 win over Magda Linette on Friday.

Sabalenka could not quite hit her peak form against Linette, but the world number two nevertheless got the job done after going the distance.

The Belarusian is hunting a record-equalling third title in Madrid, where she is the reigning champion, though she has not won back-to-back matches at a tournament since winning the Australian Open.

"It's not about being confident," Sabalenka said. "It's about how much you're ready to do to get it. It's about the hard work and to be ready, be ready for the big fights. I feel like confidence is not going to help you in those big matches. It's about staying there and fighting for it."

Data Debrief

Sabalenka (70 per cent, 56-24) is now one of five active players since 2020 to hold a winning percentage of 70 per cent or higher at WTA-1000 events.

Iga Swiatek, Simona Halep, Elena Rybakina and Jessica Pegula are the other players to feature on that list.

In-form Elena Rybakina has moved into the last 32 of the Madrid Open after a straight sets victory over Italian Lucia Bronzetti.

Number four seed Rybakina triumphed 6-4 6-3 on Friday and will next face either Marta Kostyuk or Mayar Sherif.

Rybakina was broken early in each set but ultimately had few problems getting over the line, converting four of her five break points to continue an impressive run of results after winning the Stuttgart Open last week.

She has now won five consecutive WTA matches and has 13 straight wins on clay courts to her name in a superb streak that started one year ago.

Data Debrief: Rybakina in elite company

Since the start of 2020, only two other players have claimed as many 13 consecutive WTA wins on clay, and they are Iga Swiatek and Simona Halep, so Rybakina is in elite company.

Rybakina's last defeat on this surface came in the 2023 edition of the Madrid Open, when she fell to Anna Kalinskaya in her first match, so this win represented a better start to her campaign in the Spanish capital.

Coco Gauff made a flying start to her Madrid Open campaign on Thursday, recording the first double bagel main-draw win of her career as she cruised past Arantxa Rus to reach the round of 32.

Gauff needed just 51 minutes to see off 33-year-old Rus as she booked a meeting with Ukraine's Dayana Yamstremska for Saturday. 

The US Open champion lost just 18 points throughout the match – eight in the opener and 10 in the second set – as she put any doubts over her recent form to bed in emphatic fashion.

Gauff's power proved too much for Rus in the opener, the third seed winning 88 per cent of points behind her first serve and converting three of four break points to go a set up in just 23 minutes.

Rus brought up four break points midway through the second set, but when she failed to convert them, Gauff punished her in ruthless fashion by reeling off another three games then finishing things with a terrific forehand winner. 

Speaking after her win, the American said: "I played really well today. It was just one of those days for me… 6-0 6-0, I've never done that before, I'll probably never do it again."

Data Debrief: Gauff matches Azarenka, Halep feat

Gauff is just the third player to register a 6-0 6-0 win in the women's singles draw at the Madrid Open, following in the footsteps of two former world number ones in Victoria Azarenka and Simona Halep.

The American, who only turned 20 last month, is also the youngest player to double bagel an opponent in any main-draw match on the WTA Tour since Iga Swiatek did so against Karolina Pliskova in the 2021 Italian Open final in Rome. 

Naomi Osaka comprehensively dispatched Greet Minnen on Tuesday to make a winning start to her Madrid Open campaign and earn a first win on clay for two years.

Japanese star Osaka triumphed 6-4 6-1 in only 79 minutes, swiftly booking a second-round clash against Liudmila Samsonova.

Osaka reached the last 32 at the WTA 1000 events on the hard courts of Indian Wells and Miami but had lost to Martina Trevisan at the first hurdle in the Open de Rouen on clay at WTA 250 level last week.

This was therefore a welcome return to form against Belgian qualifier Minnen and represented her first triumph on the surface since beating Anastasia Potapova at this tournament in 2022.

After an even start to the contest, the first set was level at 4-4. But Osaka then assumed full control, winning eight of nine games to race to victory.

Data Debrief: Osaka dominates on serve

Osaka was not broken at all in the match and allowed Minnen only one break-point opportunity across the whole contest.

She fired down eight aces to only three double faults, and won 13 of her 16 first-serve points in the second set.

Danielle Collins secured back-to-back tournament wins with a 6-2 6-1 victory over Daria Kasatkina in the Charleston Open final.

After winning the Miami Open last week, Collins earned her 13th successive victory in style as she dropped just three games in her latest triumph.

The American, who moved up to 15th in the world rankings, needed just 77 minutes to dismiss her opponent without facing a break point in the whole of the contest.

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Collins said: “I had a lot of matches in Miami and I had a lot of matches here.

“I had, at one point in this tournament, two matches in one day, which is not easy to pull off. I don’t know if I’ve done that before as a professional. I feel like the last time I did that was like in 12-and-unders.

“So to be able to physically battle and push myself to a new limit gives me a lot of confidence. I’ve been so happy to be, obviously, playing at the level that I’ve been playing, but to be able to back it up two weeks in a row has just been fantastic.”

Simona Halep has hit back at Caroline Wozniacki after the Dane said she should not have been given a wild card for the Miami Open.

Halep made a quick return to top-level action after the Court of Arbitration for Sport reduced her doping ban from four years to nine months two weeks ago.

The two-time former grand-slam champion tested positive for the blood-boosting drug Roxadustat at the US Open in 2022 and was handed the long suspension last September.

However, CAS accepted Halep’s explanation that she had unwittingly ingested the substance in a contaminated supplement, with the ruling coming 17 months after she was first provisionally suspended.

There has been a lot of support for the Romanian, who was defeated by Paula Badosa in her first match in Florida on Tuesday, but Wozniacki took a different view speaking to reporters after a 6-1 6-4 win over Clara Burel.

“I’ve always liked Simona,” said Wozniacki, also a former world number one. “We’ve always had a good relationship.

“If someone has tested positive for doping, I understand why a tournament wants a big star in the tournament, but it’s my personal belief, and it’s not a knock on anyone, that I don’t think people should be awarded wild cards afterwards.

“If you want to come back, and it’s been a mistake, I understand, you should work your way up from the bottom.

“Simona’s situation has obviously dragged on for a long time. She got her suspension reduced. It wasn’t a clearance, it was a reduced sentence.

“I just hope for a clean sport. That’s all I want. I want to have good role models for the young generation. It’s a sport that has a lot of money in it, a lot of competitiveness, a lot of competitors. I want a fair fight.”

Halep was less than impressed by Wozniacki’s comments, responding: “Why did she say that?

“I didn’t do anything wrong. I didn’t cheat. I didn’t dope. Thank you to the tournament for giving me the wild card and have the possibility to play in such a big tournament. It was great to be back.

“Only one person being negative about me is not that important because I have hundreds of people that are giving me love, so I will take that.”

Halep looked like she had never been away as she raced to the first set in just 38 minutes but Spaniard Badosa, who is herself coming back from long-term injury problems, dug in to win 1-6 6-4 6-3.

At her post-match press conference, Halep said: “I missed this. I had emotions, but positive emotions; the crowd supporting me was so nice.

“The level of tennis was pretty good – unexpected for most of the people. I think I did a good job today. I’m happy with my first match coming back. I would rate it as a special day, honestly.”

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The 32-year-old admitted her career would have been over had the four-year ban been upheld but she remained positive the appeal against it would go her way.

“My parents always taught me that good always prevails,” she said.

“I trust it 100 per cent from the first day until the last day that the truth will come out and the decision will be taken in a fair way.

“I knew I’m clean. I knew I didn’t do anything wrong. I believed that it’s impossible to stay four years for something that doesn’t exist.”

Elsewhere, Venus Williams, 43, remains without a win since last August after a 6-3 6-3 defeat by Russian Diana Shnaider, who is 24 years her junior.

World number one Iga Swiatek coasted to victory over Maria Sakkari to win the BNP Paribas Open final.

In a repeat of the 2022 final at Indian Wells, Swiatek proved too strong and won her second WTA title of the year with a straightforward 6-4 6-0 success.

Swiatek, 22, never looked in trouble and once again showed why she has spent nearly two years atop the women’s rankings.

The Polish star raced into a lead as stars including Zendaya and Tom Holland watched on, sealing the opening set with a perfect forehand drive after Sakkari had briefly looked to fight back by breaking to level at 3-3.

The second set was even more of a one-sided affair as Greece’s Sakkari, beaten in the final two years ago 6-4 6-1, could not win a game this time around.

Swiatek needed just 20 minutes to wrap it up and now plots victory at the Miami Open.

“Every year I come here, I feel a really positive vibe,” she said on court following her latest success.

“I want to thank my team, for every little thing we work on, which ends up working. For sure we’re going to celebrate – many things to celebrate.”

Professional Tennis Players Association (PTPA) executive director Ahmad Nassar believes tennis should do more to protect players after Simona Halep was allowed to return to tennis.

Halep was suspended in October 2022 after failing two drug tests following the US Open. The former world number one was initially banned for four years, but a ruling earlier in March by the Court of Arbitration for Sport slashed her suspension to nine months.

The reduced ban means Halep can immediately return to tennis, and the two-time grand-slam winner is set to make her return at the upcoming Miami Open.

When asked whether players in situations like Halep's should receive help to gain back what she has lost during her time away, Nassar told Stats Perform: "Should there be? Absolutely. Will there be? Probably not. For tennis, this is a much broader issue in terms of governance. 

"Think about Simona’s case. Where did this happen, at the US Open? And so you give the Tour the cover to say 'well, it wasn't actually one of our events'. It was, and we didn't admit it. There has to be an answer.

"The net effect is the player gets doubly penalised."

Now 32, Halep will be a wildcard at the Miami Open.

In Nassar's view, that is an opportunity that not every player in a similar situation would be fortuitous enough to receive.

"I don't want to use the word lucky," Nassar explained. "But Simona is unique in the sense that she's already gotten, 24 hours later, a wildcard to Miami, a WTA 1000 event.

"Ninety-nine per cent of players who go through anything like this will not get that. What do they have to do? Well, they have to go play maybe universal tennis events, and then WTA 125s and get back into it. That could take a year, easily.

"Getting back, building your ranking up, getting your points up, getting the money to be able to go back out there. It becomes really overly punitive at that point."

Nassar is hopeful that Halep can return to her top form, which saw her claim French Open and Wimbledon triumphs in 2018 and 2019 respectively.

He added: "What I'll say is this. Athletes who have been unfairly treated often use that as fuel and motivation when they're back. And so I would not be surprised in the least if that was the case.

"But at the same time, I don't want to make light of what Simona and other athletes who go through this type of nightmare have to endure. We definitely wish her all the best."

Nassar also called out some in tennis for their lack of initial support for Halep, continuing: "It's been interesting to see that decision come out.

"It's like everybody is saying 'welcome back' with open arms. And I have to ask myself, where were these people for 17 months?

"The process was not okay. And it's still not okay."