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Day 4: Kyrgios, Popyrin aiming for last 32
Six Australians are set to play their second round matches on Thursday, with Nick Kyrgios the headline act. Follow the fortunes of all the Aussies here.
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Tennis
Wheelchair tennis star Vergeer has breast cancer
Esther Vergeer, the retired Dutch wheelchair tennis star who had a winning streak of 470 matches during her record-breaking career, has been diagnosed with breast cancer.
Serena Williams
Serena: Boxing isn't great for my nails
Serena Williams jokes that she doesn't always do boxing training in the off season as it isn't good for her nails.
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Tennis
Federer cruises into 3rd round at Australian Open
Roger Federer dominates Filip Krajinovic 6-1, 6-4, 6-1 to advance to the third round of the Australian Open.
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Tennis
Serena advances to 3rd round at Aussie Open
Serena Williams defeats Tamara Zidansek in straight sets 6-2, 6-3 to reach the third round of the Australian Open.
0:41
Tennis
Federer wary of Australian Millman's challenge
Roger Federer expects a 'tough test' as he looks to avenge his shock defeat to Millman at the 2018 US Open.
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Novak Djokovic
Djokovic: Hopefully we won't be affected by the air quality
Novak Djokovic insists he feels very confident playing in Australia despite the adverse weather conditions.
0:35
Tennis
Day four preview: Nadal, Kyrgios, Halep and PlÃÅ¡ková
Stephanie Brantz and Rennae Stubbs preview the action on day four of the Australian Open.
2:34
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