All-Japan Judo Championships
Ogawa first started in judo in his high school years. He continued on in college attending Meiji University in 1986. In his second year at school he became a world freeclass champion, the youngest in the history of judo. He won many more championships before graduating from the College of Business Administration at Meiji University, setting a record of seven medals at the World Judo Championships. He also gained a total of seven medals at the All-Japan Judo Championships in two separate winning streaks, from 1989 to 1993 and from 1995 to 96, second only to Yasuhiro Yamashita's nine medals. Ogawa was a silver medalist in judo of 1992 Summer Olympics and fifth at the 1996 Summer Olympics.