Ernesto Hoost
After that, Kaman fought many different fighters in Amsterdam: Ernest Simmons (WKA rules), Ernesto Hoost (WKA rules), Payap (rematch on Muay Thai rules), Roger Hurd (WKA rules) and Sittisak (Muay Thai rules). He won them all and at the end of 1987 the Japanese asked him to come fight in Japan.