Career
His first international success came with his second place in the Flyweight class at the 1986 European Junior Championships held in Copenhagen. In the 1991 European Championships at Gothenburg he came in third. Tews never boxed professionally and is currently a trainer at Gymnasium Rahlstedt in Hamburg, Germany.
Defeated Wang Welping (China) PTS (5-0)
Defeated Janos Varadi (Hungary) PTS (5-0)
Defeated Benaissa Abed (Algeria) PTS (5-0)
Defeated Mario Gonzalez (Mexico) PTS (5-0)
Lost to Kim Kwang-Sun (South of Korea) PTS (1-4)
Defeated Kirkor Kirkorov (Bulgaria) PTS (9-5)
Defeated Djamel Lifa (France) PTS (9-4)
Defeated Park Duk-Kyu (South of Korea) PTS (17-7)
Defeated Hocine Soltani (Algeria) PTS (11-1)
Defeated Faustino Reyes (Spain) PTS (16-7)
2nd place at Junior European Championships 1986
Bronze medal at the 1991 European Amateur Boxing Championships.