<page_title> Williams sisters rivalry </page_title> <section_title> Singles </section_title> <table> <cell> 1. <col_header> No. </col_header> </cell> <cell> 1998 <col_header> Year </col_header> </cell> <cell> Australian Open <col_header> Tournament </col_header> </cell> </table>
Serena and Venus Williams played their first match against each other in the 1998 Australian Open.