Images from Day 1 of the Australian Open in Melbourne on Monday.
It was the first Grand Slam triumph for Polasek, 35, who came out of retirement in 2018
Nadal was able to see the funny side and kept on laughing.
Barty staved off a fightback from Collins to pick up her third Grand Slam title
There could be no place more appropriate for Djokovic to finally break free of his tie with Margaret Court on 24 Grand Slam singles titles than in her own backyard at Melbourne Park, where he has won the Norman Brookes Challenge Cup 10 times.
Naomi Osaka gave Jennifer Brady a lesson in Grand Slam tennis as she cruised to a 6-4, 6-3 win to claim her second Australian Open title on Saturday and cement her standing as the new queen of the women's game.
Rafael Nadal will become the first man to win 21 Grand Slam titles if he defeats the Russian in Melbourne.
The fighting spirit that propelled Chung Hyeon to the Australian Open semi-finals went missing on Friday as the South Korean trailblazer cut short his much-anticipated clash with Roger Federer after suffering foot blisters.
Images from the matches played on Day 10 at the Australian Open at Melbourne Park on Wednesday
Lleyton Hewitt was ushered into retirement as Spain's David Ferrer ended the Australian former world number one's career with a 6-2, 6-4, 6-4 victory on an emotional night at Melbourne Park.
Bernard Tomic bowed out of the Australian Open on Sunday with a stinging rebuke of the scheduling.
Beaten in just over two hours, Nadal won barely a third of the match's points, was broken five times and conjured only a single break point in the third set, which the Serb saved.
Fire-fighters went on alert as the mercury crept towards an expected maximum of 44 degrees Celsius (111 F), the highest since Black Saturday bushfires in 2009 that killed about 180 people in the southeastern state of Victoria.
Images from all the action on Day 9 of the Australian Open at Melbourne Park on Tuesday
Aryna Sabalenka will battle American 19th seed Madison Keys in the final on Saturday looking to become the first woman since Martina Hingis from 1997-99 to win the Australian Open title three times in a row.
Defeat was a blow for the 21-year-old Spaniard as the French Open and Wimbledon champion's bid to become the youngest man to complete a career Grand Slam went up in flames, and he was left to digest his third loss to Djokovic on the surface.
Nadal fought from two sets down to defeat Medvedev in a five-set thriller at Rod Laver Arena.
Maria Sharapova's hopes of a title-winning return to the Australian Open were unceremoniously crushed by Angelique Kerber as the battle of the former champions ended 6-1, 6-3 in the German's favour.
World No 1 Iga Swiatek overcame a strong early challenge from former champion Sofia Kenin to reach the second round of the Australian Open
Play was held up during the Australian Open men's final on Sunday when a banner was unfurled protesting against the treatment of refugees, with one person jumping on centre court.
Naomi Osaka faces Zheng before possible meeting with Coco Gauff
Simona Halep's brave Australian Open campaign but the exhausted Romanian hit a dead end in the final as she crumbled in a thriller against Caroline Wozniacki.
Simona Halep and Caroline Wozniacki will compete for high stakes in Saturday's Australian Open final, having each needed to save match points to prevent a premature exit at Melbourne Park.
Former French Open champion Ana Ivanovic was shaken up when a spectator was injured falling down the stairs on Rod Laver Arena but recovered her composure to ease into the third round at the Australian Open on Thursday.
Coco Gauff eked out a victory to reach her first Australian Open semi-final on Tuesday.
Nadal pulled off his greatest escape to deny Daniil Medvedev again, less than three years after leaving the Russian heartbroken in five sets at the 2019 US Open final.
Ash Barty ended Australia's 44-year wait for a home winner at the Australian Open when the world number one staved off a fightback from American Danielle Collins to complete a 6-3, 7-6(2) win on Saturday and pick up her third Grand Slam title.
Alcaraz missed last year's tournament with a hamstring injury
Images from all the action on Day 4 of the Australian Open in Melbourne on Thursday
Medvedev will be glad to play the role of dream wrecker once again.
Images from all the action on Day 9 at the Australian Open in Melbourne on Wednesday
Defending champion Novak Djokovic was knocked out of the Australian Open quarter-finals by Stanislas Wawrinka 2-6, 6-4, 6-2, 3-6, 9-7 on Tuesday.
Images from Tuesday's action at the Australian Open.
Sebastian Korda is just the third American to reach the quarter-finals at the Australian Open.
Images from Sunday's action at the Australian Open in Melbourne.
Photos from matches played Day 7 of the Australian Open at Melbourne Park on Sunday
Jannik Sinner retained his Australian Open title with an emphatic 6-3, 7-6(4), 6-3 win over Alexander Zverev on Sunday
Images from Day 7 of the 2025 Australian Open at Melbourne Park on Saturday.
Defending champion Jannik Sinner dismissed eighth seed Alex de Minaur 6-3, 6-2, 6-1 to reach the Australian Open semi-finals and extend the country's decades-long wait for another homegrown singles winner at the Grand Slam on Wednesday.
Roger Federer overcame some feisty resistance from Alexandr Dolgopolov to safely advance to the third round of the Australian Open with a 6-3, 7-5, 6-1 victory.
