<page_title> List of WPA World Nine-ball champions </page_title> <section_title> Boys </section_title> <table> <cell> 2004 <col_header> Year </col_header> </cell> <cell> Chinese Taipei Wu Chia-ching <col_header> Runner-up </col_header> </cell> </table>
Wu Jia-qing was the runner-up at the 2004 Nine-ball World Championship.