<page_title> Big Four (tennis) </page_title> <section_title> Combined Grand Slam tournament singles performance timeline (best result) </section_title> <table> <cell> WF <col_header> 2004 </col_header> <row_header> Australian Open </row_header> </cell> <cell> WF <col_header> 2003 </col_header> <row_header> Wimbledon </row_header> </cell> <cell> WF <col_header> 2004 </col_header> <row_header> Wimbledon </row_header> </cell> <cell> WF <col_header> 2004 </col_header> <row_header> US Open </row_header> </cell> </table>
Federer has been competing in Grand Slam tournaments since 1999, and won Wimbledon in 2003 and 2004, as well as the 2004 Australian Open, and 2004 US Open.