René Dettweiler

Rene Dettweiler (born 25 April 1983) is a German former professional boxer who competed from 2003 to 2010.

Amateur career Dettweiler competed in an international dual match between Germany and Poland, losing on points to Patryk Bartkiewiczs. Later that year, Dettweiler competed in the 2001 Brandenburg Cup, losing on points to eventual silver medalist, Mario Preskar, in the semifinals. Dettweiler competed in the 2001 European Junior Championships, losing via stoppage to eventual bronze medalist, Valeriy Duryagin, in the quarterfinals.

Dettweiler competed in the 2002 German National Championships, losing on points, in the semifinal.

Professional career Dettweiler compiled a perfect 16–0 record before, on 22 April 2006, facing undefeated heavyweight Ondřej Pála on the undercard of Chris Byrd against Wladimir Klitschko in Mannheim, Germany. Dettweiler won a unanimous points decision on the judges' scorecards.

Dettweiler challenged Michael Sprott on 4 November 2006, for the European Union heavyweight title, losing by split decision.

On 30 August 2008, Dettweiler faced Cengiz Koc on the undercard of Nikolai Valuev against John Ruiz in Berlin, Germany, losing by majority decision.

On 30 January 2010, Dettweiler faced undefeated heavyweight Edmund Gerber, losing by technical knockout in the second round.

Professional boxing record