<p>Coco Gauff and Emma Raducanu meet in the Australian Open second round on Wednesday as the future of women's tennis goes on full display in Melbourne.</p>.<p>Men's defending champion Rafael Nadal is also in action on day three of the first Grand Slam of the year.</p>.<p>But it is the present and future of women's tennis which will take centre stage.</p>.<p>Top seed and red-hot favourite Iga Swiatek opens play on Rod Laver Arena when she faces Colombia's Camila Osorio, ranked 84th in the world.</p>.<p>That will be followed by in-form American third seed Jessica Pegula, who will face a stern test in 38th-ranked Belarusian Aliaksandra Sasnovich.</p>.<p>Also scheduled for the morning -- as long as there is no repeat of the heat and heavy rain from Tuesday -- is the Greek sixth seed Maria Sakkari. She plays Russia's Diana Shnaider.</p>.<p>In the evening session on Rod Laver Arena comes what many hope will be a blockbuster between American Gauff and Britain's former US Open champion Raducanu.</p>.<p>Gauff, 18, and Raducanu, 20, have never played each other before.</p>.<p>The Briton has done something Gauff never has in winning a major, but the American is ranked seventh to her opponent's 77th.</p>.<p>And teenager Gauff is in better form, coming off a victory in an Auckland warm-up tournament that brought her a third WTA crown.</p>.<p>As well as patchy form, Raducanu has also suffered a string of injury niggles since she stunned the tennis world by winning the US Open in 2021 as a teenage qualifier.</p>.<p>Gauff says the pressure is on Raducanu, who had been a doubt coming into Melbourne after yet another injury.</p>.<p>"Obviously she's gone through a lot of pressure, bursting onto the scene. I feel like probably more than I have experienced coming to win a Slam," said Gauff.</p>.<p>"And especially I feel like being from the UK, being the first British person to do something in a long time, probably is a lot more pressure than what I'm used to being an American."</p>.<p>Danielle Collins, last year's Australian Open runner-up, will step up her bid for a maiden major title when she meets Karolina Muchova of the Czech Republic.</p>.<p>In the second round of the men's draw, the 36-year-old Nadal faces 65th-ranked American Mackenzie McDonald.</p>.<p>Third seed Stefanos Tsitsipas and seventh seed Daniil Medvedev, who was beaten in last year's final by Nadal in a five-set thriller, are also both set to feature.</p>.<p>Medvedev will have to face down the home fans when he meets Australia's John Millman.</p>.<p>Tsitsipas, who is yet to win a major, plays another Australian in 169th-ranked Rinky Hijikata.</p>.<p>A raft of other matches which failed to finish on Tuesday because of the weather will also conclude.</p>
<p>Coco Gauff and Emma Raducanu meet in the Australian Open second round on Wednesday as the future of women's tennis goes on full display in Melbourne.</p>.<p>Men's defending champion Rafael Nadal is also in action on day three of the first Grand Slam of the year.</p>.<p>But it is the present and future of women's tennis which will take centre stage.</p>.<p>Top seed and red-hot favourite Iga Swiatek opens play on Rod Laver Arena when she faces Colombia's Camila Osorio, ranked 84th in the world.</p>.<p>That will be followed by in-form American third seed Jessica Pegula, who will face a stern test in 38th-ranked Belarusian Aliaksandra Sasnovich.</p>.<p>Also scheduled for the morning -- as long as there is no repeat of the heat and heavy rain from Tuesday -- is the Greek sixth seed Maria Sakkari. She plays Russia's Diana Shnaider.</p>.<p>In the evening session on Rod Laver Arena comes what many hope will be a blockbuster between American Gauff and Britain's former US Open champion Raducanu.</p>.<p>Gauff, 18, and Raducanu, 20, have never played each other before.</p>.<p>The Briton has done something Gauff never has in winning a major, but the American is ranked seventh to her opponent's 77th.</p>.<p>And teenager Gauff is in better form, coming off a victory in an Auckland warm-up tournament that brought her a third WTA crown.</p>.<p>As well as patchy form, Raducanu has also suffered a string of injury niggles since she stunned the tennis world by winning the US Open in 2021 as a teenage qualifier.</p>.<p>Gauff says the pressure is on Raducanu, who had been a doubt coming into Melbourne after yet another injury.</p>.<p>"Obviously she's gone through a lot of pressure, bursting onto the scene. I feel like probably more than I have experienced coming to win a Slam," said Gauff.</p>.<p>"And especially I feel like being from the UK, being the first British person to do something in a long time, probably is a lot more pressure than what I'm used to being an American."</p>.<p>Danielle Collins, last year's Australian Open runner-up, will step up her bid for a maiden major title when she meets Karolina Muchova of the Czech Republic.</p>.<p>In the second round of the men's draw, the 36-year-old Nadal faces 65th-ranked American Mackenzie McDonald.</p>.<p>Third seed Stefanos Tsitsipas and seventh seed Daniil Medvedev, who was beaten in last year's final by Nadal in a five-set thriller, are also both set to feature.</p>.<p>Medvedev will have to face down the home fans when he meets Australia's John Millman.</p>.<p>Tsitsipas, who is yet to win a major, plays another Australian in 169th-ranked Rinky Hijikata.</p>.<p>A raft of other matches which failed to finish on Tuesday because of the weather will also conclude.</p>