Tennis As it happened: Australian Open, Day 10: Pliskova downs Serena to set up Osaka clash in semis Karolina Pliskova defeats Serena Williams in three sets. She will face Naomi Osaka in the semifinals after the Japanese registered a 6-4, 6-1 win over Elina Svitolina. Team Sportstar Last Updated: 23 January, 2019 15:32 IST Japanese star Naomi Osaka - Getty Images Team Sportstar Last Updated: 23 January, 2019 15:32 IST Welcome to Sportstar's live blog of the Australian Open 2019. Follow the updates and results of day 10's quarterfinal action.ResultsWomen's Singles (Quarterfinals)Naomi Osaka bt Elina Svitolina 6-4, 6-1.Karolina Pliskova bt Serena Williams 6-4, 4-6, 7-5.Men's Singles (Quarterfinals)Lucas Pouille bt Milos Raonic 7-6, 6-3, 6-7, 6-4.Novak Djokovic bt Kei Nishikori 6-1, 4-1 (ret). Novak Djokovic will meet 28th seed Lucas Pouille after the Frenchman beat Milos Raonic in four sets. "I wish him a speedy recovery."@DjokerNole sends his regards to his worthy opponent Kei Nishikori.#AusOpen pic.twitter.com/2n9XGj1Arg— #AusOpen (@AustralianOpen) January 23, 2019 .@DjokerNole claims the final spot in the men's semis. Def. #Nishikori 6-1 4-1 [Ret.] #AusOpen pic.twitter.com/sXaeTqfFYf— #AusOpen (@AustralianOpen) January 23, 2019 At 1-4 into the second set, Kei Nishikori retires and Novak Djokovic is through to the semifinals.What a start by Novak Djokovic. He breezes through the first set in just about half-an-hour winning 6-1. Kei Nishikori has a lot of work to do now. “Sometimes when people are all for me, it's nice to have the support, but sometimes I'm like, I hope somebody says something negative so I can prove them wrong.”Danielle #Collins is cut from a different cloth. https://t.co/Et4CzRP0Tt #AusOpen pic.twitter.com/zy0PV7rdgJ— #AusOpen (@AustralianOpen) January 23, 2019 And we have the quote of the day: "She knows everything about tennis. It's not about being a woman or a man." "She knows everything about tennis. It's not about being a woman or a man." - @la_pouille on new coach @AmeMauresmo#AusOpen pic.twitter.com/AhbhZuVIH2— #AusOpen (@AustralianOpen) January 23, 2019 Lucas Pouille gets the bragging rights. The Frenchman clinches a 7-6, 6-3, 6-7, 6-4 to reach his maiden Grand Slam semifinal and that has happened under Amelie Mauresmo's tutelage. Milos Raonic fights to survive. He wins the third set 7-6(2) against Lucas Pouille.Two hours and the scoreboard locked at 4-4 in the third set. The Poullie-Raonic match is dishing out some good stuff!Meanwhile Japan's Kei Nishikori is warming up ahead of his blockbuster quarterfinal clash with Novak Djokovic. Allez! @la_pouille is attempting to reach his maiden slam SF.He's one set away after sealing the second with an ace. Leads #Raonic 7-6(4) 6-3.#AusOpen pic.twitter.com/tvF8WdcDLf— #AusOpen (@AustralianOpen) January 23, 2019 Lucas Pouille is just one set win away from a semifinal slot. He wins the second set 6-3 and takes a 2-0 lead over Milos Raonic.Poullie is on fire. He has raced to a 4-1 lead in the second set. Karolina Pliskova on coming back from 1-5 down and saving four match points:"It's the best comeback ever so far in my life."#AusOpen pic.twitter.com/Dke1kwf9Nb— #AusOpen (@AustralianOpen) January 23, 2019 Lucas Pouille wins the first set 7-6 (4) against Milos Raonic in about 52 minutes. The Frenchman has won seven of the last 10 games and bags the first set.What's tennis without some fun? The @MastercardAU team have a few special tricks up their sleeves at the #AusOpen Rally together. Start Something Priceless. #mastercardau #MastercardRallyTogether pic.twitter.com/Os5bdFMAZA— #AusOpen (@AustralianOpen) January 23, 2019 "My ankle is fine, maybe I'll feel it tomorrow. I think she played incredible on match points, just hitting lines. I didn't call the trainer out because I didn't feel I needed it," says Serena.Meanwhile, in the men's quarterfinals, 16th seed Milos Raonic is up against Frenchman and 28th seed Lucas Pouille.THE WAIT CONTINUES FOR SERENA WILLIAMSMatch-point, an enticing Osaka clash in the semifinal, and step closer to 24th title... Serena Williams was on fire after dropping the first set. BUT a nasty looking ankle twist while attempting a return would soon change the course of the match. Struggling to move to her left, Serena Williams watches the match slip away against Karolina Pliskova comes back from 1-5 down to register a 6-4, 4-6, 7-5 win to enter the semifinals!Karolina Pliskova ends Serena Williams' run in the Australian Open. Pliskova beats Serena 6-4, 4-6, 7-5 and books a semifinal slot and will meet Naomi Osaka for a place in the summit clash. Set, Serena!6-4.We're going three‼️#AusOpen pic.twitter.com/tuZmtG8TwE— #AusOpen (@AustralianOpen) January 23, 2019 Serena Williams is not the one to give up easily. She clinches the second set with a similar margin to take the quarterfinals to the deciding set.Czech Republic's Karolina Pliskova threatens to end Serena Williams' run at the Australian Open. The sixth set takes the first set 6-4. She's done it!@KaPliskova saves four match points en route to a 6-4 4-6 7-5 victory over #Serena Williams. She's into the final 4!#GameSetMatch #AusOpen pic.twitter.com/txzmOmDggc— #AusOpen (@AustralianOpen) January 23, 2019 In the first match of the day, Japanese star Naomi Osaka defeats Ukraine's Elina Svitolina 6-4, 6-1 to secure her place in the semifinals. The US Open champion takes just 72 minutes to complete the straight-set win.The quarterfinal action is just underway at Melbourne.