Andy Hug
Schuster made his K-1 debut on September 7, 1997 at "K-1 Grand Prix 97' Eliminations" in Osaka, Japan. He defeated Sadau Kitsiongrit by Decision. He later faced Andy Hug on April 9, 1998 at "K-1 Kings 98" in Yokohama, Japan. Schuster lost by Decision.