[1] Having worked his way through the S-Pulse youth system, he signed full professional terms at the start of the 2004 season.
[citation needed] In June 2005, Yamamoto was selected for the Japan U-20 national team during the 2005 World Youth Championship.
In August 2008, he was selected for the Japan U-23 national team at the 2008 Summer Olympics.
But he did not play in the match, as he was the team's reserve goalkeeper behind Shusaku Nishikawa in both tournaments.
This biographical article related to a Japanese association football goalkeeper is a stub.