Swiatek made the most of Kasatkina's string of unforced errors, peppering court Philippe Chatrier with winners.
Serena Williams' scored a ruthless 6-3, 6-1 win over Bethanie Mattek to advance to the quarter-finals of the Cincinnati Open
Serena Williams is set to return to tennis at the Wimbledon warm-up event in Eastbourne starting on Saturday, after a year sidelined by illness and injury.
Seven-time champion Serena Williams moved ominously into the last 16 at Wimbledon when she recovered from a sluggish start to beat France's Kristina Mladenovic 7-5, 7-6(1) on Friday.
Novak Djokovic and Rogerer Federer loom over Melbourne Park for the year's opening Grand Slam as favourites for the Australian Open as questions remain as to whether one of Generation Next could finally end their stranglehold.
Venus Williams will replace sister Serena, who suffered an ankle innjury, in the Fed Cup tie against Belgium.
"I think she will win a Grand Slam. Which one and when I don't know, but definitely clay is a good surface for her."
Serena Williams' relaxed outlook on life spilled over even in defeat on Saturday when she appeared to be almost as happy that Angelique Kerber had won her first Grand Slam final as the German herself.
The seven-times grand slam singles champion was ranked 139th in the world at the entry deadline for the US Open.
Serena Williams outplayed Maria Sharapova to claim the 2015 Australian Open championship in straight sets on Saturday.
Germany's Angelique Kerber said she felt confident about facing Serena Williams in Saturday's Wimbledon final after beating the world number one in Australia earlier this year, and warned: I'm even more dangerous on grass. The fourth seed gatecrashed the Williams sisters' Wimbledon party when she overpowered Venus 6-4 6-4 in the semi-finals on Thursday, setting up the clash with Serena.
Serena Williams beat Germany's Angelique Kerber 7-5, 6-3 to claim a seventh Wimbledon singles title and equal Steffi Graf's professional era record of 22 grand slam singles crowns on Saturday.
Serena Williams has clinched the year-end women's World No 1 ranking for the third time in her career after winning two Grand Slam titles during an excellent 2013.
Serena Williams sounded a warning for her fellow Australian Open contenders with a sleek win
After four days of play, the French Open was left without a Williams sister in the draw on Wednesday when former runner-up Venus joined 2002 champion Serena in making an early exit.
Serena Williams fuelled talk of a dream-team partnership with home favourite Andy Murray after declaring her availability for the Wimbledon mixed doubles.
Daniil Medvedev and Karen Khachanov crushed second seed Dominic Thiem and third seed Alexander Zverev respectively to set up an all-Russian semi-final at the Rogers Cup in Montreal on Friday.
It would be perfectly safe for Serena Williams to continue with rigorous training throughout pregnancy, but how quickly the 35-year-old would return to tournament tennis is uncertain.
Serena Williams has set a single-season prize money record on the women's tour by earning $6,545,586 in 2009, according to the Women's Tennis Association.
After winning the US Open title on Sunday, Novak Djokovic pulled out a T-shirt with 'Mamba Forever' on the front and the number 24 on the back.
Venus Williams was not prepared to even countenance the suggestion she could potentially meet younger sister Serena in the Australian Open final after she advanced to the quarter-finals with a 6-3, 7-5 victory over Mona Barthel on Sunday.
Serena Williams was bundled out of the Australian Open on Monday, losing her fourth-round match to Russian world number 56 Ekaterina Makarova 6-2, 6-3 on a scorching day at Rod Laver Arena.
Pre-tournament favourite and 13-times Grand Slam champion Serena Williams suffered her first ever opening round defeat at a Grand Slam when she was beaten 4-6, 7-6, 6-3 by Frenchwoman Virginie Razzano at the French Open on Tuesday.
Serena Williams must navigate a heavily American quarter of the draw including sister Venus to complete a calendar sweep of the four Grand Slams, while two sensational quarter-finals loom on the men's side after Thursday's U.S. Open draw.
Serena Williams hopes her daughter Alexis Olympia does not want to follow in her mom's famous footsteps -- suggesting ice skating might be a good alternative.
'Nike came up with this idea right when I decided I was going to come back. And so it's kind of interesting how it all tied into the wedding and, you know, then I felt a little awkward!'
She beat fellow-American Lindsay Davenport 2-6, 6-3, 6-0 in the final.
IMAGES from all the action on Day 8 the Australian Open on Monday
PHOTOS from the Wimbledon Championships matches played at the All England Lawn Tennis and Croquet Club, London, on Saturday
Serena Williams started her quest to join Chris Evert and Martina Navratilova in joint fourth place on the career Grand Slam list with a 6-3, 6-1 victory over 18-year-old fellow American Taylor Townsend at the US Open on Tuesday.
With Wimbledon scrapped due to the pandemic, a flashback of some of the best moments from the last five championships at SW19.
World number one Serena Williams was ruled out of her opening match at the Hopman Cup mixed team event in Perth on Monday because of inflammation of the knee, organisers said.
Serena and Olympia look glamorous in hot pink dresses from the legendary fashion house Balmain.
Sabalenka has always had the power and, since addressing the frequent on-court meltdowns that once blighted her career, has shown a frightening level of consistency at Grand Slams.
The top seed celebrated her 23rd birthday with a come-from-behind win over Russian Svetlana Kuznetsova in the final.
Roger Federer and Serena Williams were named 2009 ITF World Champions on Tuesday after capturing four grand slam singles titles between them in 2009.
Serena Williams summoned all her fighting qualities to beat Victoria Azarenka 4-6, 7-6, 6-2 at the Australian Open on Wednesday after sister Venus's exit. Li Na earlier stunned Venus to become just the second Chinese to reach the semi-finals of a Grand Slam.
World number one Caroline Wozniacki might have been better off asking Serena Williams about how to win the biggest tournaments instead of seeking guidance about relationships.