Serena Williams beat her sister Venus Williams in the Australian Open final this year. Photo: Reuters

Venus Williams keeps mum on Serena at Australian Open after getting back to business in Hong Kong

The 37-year-old pushes WTA Finals in Singapore to the back of her mind as she looks to break 2017 title duck at Victoria Park

Topic |   Prudential Hong Kong Tennis Open

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Serena Williams beat her sister Venus Williams in the Australian Open final this year. Photo: Reuters
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