However the club results were sluggish and finished at the bottom place in 2009 season.

Although his opportunity to play decreased behind Kushino in 2010, Okamoto became a regular goalkeeper from 2011.

[2] In November 2003, Okamoto was selected Japan U-20 national team for 2003 World Youth Championship.

But he did not play in the match, as he was the team's reserve goalkeeper behind Eiji Kawashima.

Team This biographical article related to a Japanese association football goalkeeper is a stub.