全日本柔道選手権大会
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.