is a Japanese boxer best known to win Bronze at the 2007 world championships at light welterweight. Career At the 2007 World Amateur Boxing Championships he sensationally upset Olympic champion Manus Boonjumnong in the first round before being manhandled by eventual winner Serik Sapiyev. At the 2008 Summer Olympics, he lost the rematch with Manus 1–8. At the World Championships 2009 he lost his first bout against unsung Egidijus Kavaliauskas. Kawachi then took the bronze medal in the 2009 Asian Amateur Boxing Championships in Zhuhai, China. References External links AIBA INTERNATIONAL BOXING ASSOCIATION biographies World Championship results 2007 1985 births Boxers at the 2008 Summer Olympics Asian Games medalists in boxing Boxers at the 2010 Asian Games Boxers at the 2014 Asian Games Olympic boxers of Japan Living people Japanese male boxers AIBA World Boxing Championships medalists Asian Games bronze medalists for Japan Medalists at the 2014 Asian Games Light-welterweight boxers