Melbourne: Rising American teenager Madison Keys struck a blow for generation next when she defeated childhood idol Venus Williams yesterday to make the Australian Open semi-finals.


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The unseeded 19-year-old overcame an injury scare to down the 18th seed in a 6-3, 4-6, 6-4 rollercoaster to set up a final four clash with the rampant top seed Serena Williams, out to avenge her sister's loss.