<page_title> List of Grand Slam boys' singles champions </page_title> <section_title> Champions by year </section_title> <table> <cell> 2010 <col_header> Year </col_header> </cell> <cell> Argentina Agustín Velotti <col_header> French Open </col_header> </cell> </table>
Velotti won the 2010 French Open Boys' singles competition.