Images from Day 1 at the Australian Open, in Melbourne, on Monday.
Roger Federer showed no sign of back trouble as he cruised into the second round of the Australian Open on Monday with a 7-5, 6-2, 6-2 victory over qualifier Alexander Kudryavtsev.
World No 1 and top seed Serena Williams was knocked out of the Australian Open by Serbian Ana Ivanovic on Sunday.
Zverev has not lost to Wawrinka in two previous meetings but is not taking the 2014 Melbourne Park champion lightly.
Women's champion Serena Williams, bidding for her 22nd Grand Slam title, will have to overcome No 4 seed Agnieszka Radwanska in the first singles semi-final at the Rod Laver Arena.
'I have been serving well, starting to create damage with the forehand. Hitting serve on one shot, I think'
Federer's kids give dad competition with the attention
Top seed Caroline Wozniacki and former champion Maria Sharapova brought glamour and grit to the opening day of the Australian Open with first round victories on the Rod Laver Arena Monday.
Tennis star Novak Djokovic's bid to win a record-breaking 21 men's Grand Slam titles at the Australian Open ended on Sunday with a court decision to uphold the government's cancellation of his visa.
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.
Rafa Nadal soothed his disappointment at yet another loss to Novak Djokovic in the longest ever Grand Slam final by declaring he was at least free of the mental chokehold the Serb had placed him under throughout last year.
In an epic encounter, Rafael Nadal rallied from a set down to defeat Roger Federer 6-7, 6-2, 7-6, 6-4 in the Australian Open semi-final at Melbourne Park on Thursday.
A fired-up Rafael Nadal survived a huge scare from big-hitting Czech Tomas Berdych at the Australian Open on Tuesday to prevail 6-7, 7-6, 6-4, 6-3.
Playing in his first competitive singles match on the ATP Tour since August 5, the 20-times Grand Slam champion showed no signs of rust in his second round win against Lithuanian qualifier Ricardas Berankis.
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.
Defending champions Serena and Venus Williams defeated Cara Black and Liezel Huber 6-4, 6-3 to win the Australian Open women's doubles title on Friday, maintaining the partnership's perfect record in grand slam finals.
Kim Clijsters recovered from a set down to beat Li Na 3-6, 6-3, 6-3 to win the Australian Open on Saturday after the Chinese imploded under pressure in the second set and took out her frustrations on her country's fans.
Andy Murray ground down David Ferrer 4-6, 7-6, 6-1, 7-6 on Friday to reach his second consecutive Australian Open final, raising British hopes of ending a 75-year drought for a men's singles grand slam champion.
Lion-hearted Li Na broke new ground for China at the Australian Open on Thursday, fighting back to topple World No1 Caroline Wozniacki and become her country's first singles Grand Slam finalist.
Caroline Wozniacki dragged herself back from the brink to power into the semi-finals of the Australian Open with a gritty 3-6, 6-3, 6-3 win over a dogged Francesca Schiavone on Tuesday.
Rocket-heeled Rafa Nadal's bid for a fourth consecutive Grand Slam gained pace on Thursday with a 6-2, 6-1, 6-1 demolition of hapless American qualifier Ryan Sweeting at the Australian Open.
Roger Federer fired up the Australian Open with a blistering start to his title defence on Monday, bringing some welcome warmth to an unseasonably cool Melbourne Park on opening day.
Roger Federer opened his Australian Open title defence in belligerent fashion on Monday, thrashing hapless Slovak Lukas Lacko in straight sets to stroll into the second round of the year's first grand slam.
Photos from Day 1 of the Australian Open matches played at Melbourne Park on Monday
Seeing world number 50 Mischa Zverev and wildcard Denis Istomin upset the top two players in the world at Melbourne Park shows more players believe they can take shake up the established order and that can only be good for tennis, says Roger Federer.
Rafael Nadal shrugged off his derailed bid for the Grand Slam record with a pledge to keep "fighting" but the Spaniard leaves the Australian Open with familiar regrets after bowing out to a rising talent on Wednesday.
Angelique Kerber ended Johanna Konta's fairytale run at the Australian Open with a 7-5, 6-2 victory on Thursday to earn a place in her first grand slam final.
Play at the Australian Open continued amid the lockdown, but fans were banned through Wednesday. Thousands were forced to leave mid-matches before midnight on Friday.
American Rajeev Ram picked up his first tennis men's doubles title at a Grand Slam on Sunday with partner Joe Salisbury of Britain, taming the local wild card pairing of Max Purcell and Luke Saville in straight sets at the Australian Open
Mike and Bob Bryan defended their Australian Open doubles title on Saturday with a 6-3, 6-7, 6-3 win over Canada's Daniel Nestor and Nenad Zimonjic of Serbia.
Images from day ten of the 2010 Australian Open Grand Slam tennis tournament in Melbourne, on Wednesday.
Images from day six of the 2010 Australian Open on Saturday.
Roger Federer's straight sets demolition of Romanian Victor Hanescu on Thursday served a timely reminder to the men who would be king that on centre court he still rules supreme.
Comeback queen Justine Henin issued an ominous warning to her rivals at the Australian Open by knocking out Russian fifth seed Elena Dementieva 7-5, 7-6 in the second round on Wednesday.
Organisers have been criticised by players attempting to make the main draw of the season opening Grand Slam for continuing to play matches despite the poor air quality from bushfires.
Second seed Serena Williams admitted closing the roof on Rod Laver Arena because of the soaring temperatures helped her battle back from a first set deficit to beat Svetlana Kuznetsova 5-7, 7-5, 6-1 on Wednesday. The American's victory prevented a Russian sweep of the Australian Open semi-finals and she will now play Elena Dementieva in the last four on Thursday.
Third seed Simona Halep broke her hoodoo against Belgian Yanina Wickmayer with a 6-4, 6-2 win to sail into the quarter-finals of the Australian Open on Sunday.
Roger Federer strolled into the second round of the Australian Open with a clinical 6-4, 6-2, 7-5 rout of Taiwan's Lu Yen-Hsun under the lights of Rod Laver Arena on Monday.
Retired Australian Open champion Li Na told the centre court crowd at Melbourne Park on Monday that she was expecting her first child with her husband and former coach Jiang Shan.