1939
13th Tripoli Grand Prix
2nd
1939
AIACR European Championship
3rd
1939
ADAC Eifelrennen Nürburgring - GP class
3rd
1938
12° Tripoli Grand Prix
3rd
1938
AIACR European Championship
1st
1938
Acerbo Cup, Pescara
1st
1937
AIACR European Championship
1st
1937
3° Donington Grand Prix
3rd
1937
ADAC Eifelrennen Nürburgring - GP class
2nd
1936
8° Grand Prix de Monaco
1st
1936
Grand Prix de Tunisie
1st
1935
10° Spanish Grand Prix - San Sebastian
1st
1935
9° Tripoli Grand Prix
1st
1935
AIACR European Championship
1st
1935
ADAC Eifelrennen Nürburgring - GP class
1st
1934
9° Spanish Grand Prix - San Sebastian
2nd
1934
Italian Grand Prix - Monza
1st
1932
Italian Grand Prix - Monza - European Championship
3rd
1932
8° Coppa Acerbo - Pescara - Grand Prix
2nd
1932
4° Grand Prix de Monaco
2nd
1932
French Grand Prix - Reims - European Championship
3rd
1932
AIACR European Championship
3rd
1932
ADAC Eifelrennen Nürburgring - GP class
1st
1932
VI Grosser Preis von Deutschland, Nürburgring, 17 July. Group I
1st
1931
ADAC Eifelrennen Nürburgring - GP class
1st
1929
1° Grand Prix de Monaco
3rd
1929
8° RAC Tourist Trophy - Ards - Sports Car
1st
1928
III Grosser Preis von Deutschland, Nürburgring 15 July
1st
1927
ADAC Eifelrennen Nürburgring - GP class
1st
1926
I Grosser Preis von Deutschland, AVUS 11July
1st