After winning three more gold medals at the next edition of the world junior championships in Zagreb, Croatia, in 1999 he stepped up to the senior German national team.

At the age of seventeen, he enjoyed immediate success, taking the bronze medal in the men's K-1 200 m World Championship final the same year.

Rauhe also dominated the K-1 200 m individual sprint, winning three consecutive golds in both the world and European championships before losing out to Spain's Carlos Pérez in 2005.

At the European Championships in Račice, Czech Republic he won three gold medals, retaining his K-2 500 m title, regaining the K-1 200 m crown from Pérez and winning the K-2 200 m for the first time in his career.

In June 2015, he competed in the inaugural European Games, for Germany in canoe sprint, more specifically, Men's K-2 200m with Tom Liebscher.