American Learner Tien upsets Daniil Medvedev at Australian Open
Learner Tien, a 19-year-old qualifier from California, became the youngest American man to reach the Australian Open's third ...
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Australian Open: Sinner comes from set down to win after GB's Boulter beaten - text and radio
Defending champion Jannik Sinner is through to third round after Britain's Katie Boulter is beaten following Emma Raducanu's win at the Australian Open.
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Australian Open: GB's Boulter forces deciding set, Sinner trails - text and radio
Follow live radio commentary of Katie Boulter in Australian Open second round - radio and live text later on Katie Boulter, Jannik Sinner and Daniil Medvedev.
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Australian Open: GB's Boulter broken twice by Kudermetova in first set - text and radio
Follow live radio commentary of Katie Boulter in Australian Open second round - radio and live text later on Katie Boulter, Jannik Sinner and Daniil Medvedev.
Qinwen Zheng bundled out of Australian Open by inspired Laura Siegemund
Rising star Qinwen Zheng lost in the second round to 36-year-old Laura Siegemund, ranked 97. How did the German unseat last year's finalist?
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Australian Open: GB's Boulter trails Kudermetova in first set - text and radio
Follow live radio commentary of Katie Boulter in Australian Open second round - radio and live text later on Katie Boulter, Jannik Sinner and Daniil Medvedev.