|Representing West Germany|
|1984 Los Angeles||Team dressage|
|1983 Aachen||Team dressage|
|1985 Copenhagen||Team dressage|
|1983 Aachen||Individual dressage|
Montevideo and Sauer competed in the 1983 European Championships, where they took an individual bronze and helped the West German team to back-to-back team golds in the 1983 and 1985 European Championships. The pair also competed at the 1984 Olympics in Los Angeles, where they took a team gold and 6th individually. Other major accomplishments include a team gold and an individual silver at the 1984 German Championships and an individual silver at the 1985 German Championships.