Madison Keys claims wildcard for 2013 's 2013 American Open . The 17-year-old won a qualification tournament in Atlanta , Georgia . Keys beat Serena Williams in a professional team competition aged 2013 . Keys beat Serena Williams wins the men 's event to reach his third grand slam .
Madison Keys claims wildcard for January 's 2013 Australian Open . The 17-year-old won a qualification tournament in Atlanta , Georgia . Keys beat Serena Williams in a professional team competition aged 14 . Rhyne Williams wins the men 's event to reach his second grand slam .