<page_title> Kotetsu Boku </page_title> <section_title> Mixed martial arts record </section_title> <table> <cell> Loss <col_header> Res. </col_header> </cell> <cell> Shinya Aoki <col_header> Opponent </col_header> </cell> <cell> ONE Fighting Championship: Kings and Champions <col_header> Event </col_header> </cell> <cell> April 5, 2013 <col_header> Date </col_header> </cell> <cell> Lost ONE FC Lightweight Championship. <col_header> Notes </col_header> </cell> </table>
Boku lost his ONE FC Lightweight Championship to Shinya Aoki at ONE Fighting Championship: Kings and Champions on April 5, 2013.