Takao’s rivalry with Keigo began in August 1986 during a televised match. The match was the final of the All-Japan Elementary School Championship, where an 8 year-old Keigo defeated a 9 year-old Shinji to capture the title. Their rivalry would continue on, striking again in 1996 when Shinji got his revenge. Takao beatYamashita in the Shinjin-O semi-final, going on to defeatNakamura Shinya in the final. In 1998, this time in the final of the Shinjin-O, Yamashita beat Takao 2-1 to capture the title. Their title matches would continue to goback and forth, with Takao getting the latest strike by beating Yamashita in the challenger’s final for the Judan in 2003.