1947
Mille Miglia - Class S1.1
1st
1939
I Beograd City Park Race/Beograd GP
1st
1939
ADAC Eifelrennen Nürburgring - GP class
2nd
1938
4° Donington Grand Prix
1st
1937
2° Circuito di Milano
1st
1936
AIACR European Championship
3rd
1936
ADAC Eifelrennen Nürburgring - GP class
2nd
1935
Masaryk Grand Prix Czechoslovakia
2nd
1934
9° Spanish Grand Prix - San Sebastian
3rd
1934
10° Coppa Acerbo - Pescara - Grand Prix
2nd
1934
Mille Miglia Italy - S3.0
2nd
1933
Italian Grand Prix - Monza
2nd
1933
9° Coppa Acerbo - Pescara - Grand Prix
2nd
1933
7° Tripoli Grand Prix
2nd
1933
5th Grand Prix de Tunisie
1st
1933
12° RAC Tourist Trophy - Ards - Sports Car
1st
1933
Goodwood Revival - RAC Tourist Trophy Celebration
1st
1933
Mille Miglia Italy - S/TP+1.5
1st
1933
2° Grand Prix de Nîmes
1st
1933
4° Grand Prix de Belgique - Spa
1st
1933
ADAC Eifelrennen Nürburgring - GP class
1st
1933
11° 24 Hours of Le Mans
1st
1932
Italian Grand Prix - Monza - European Championship
1st
1932
8° Coppa Acerbo - Pescara - Grand Prix
1st
1932
4° Grand Prix de Monaco
1st
1932
French Grand Prix - Reims - European Championship
1st
1932
AIACR European Championship
1st
1932
VI Grosser Preis von Deutschland, Nürburgring, 17 July. Group I
2nd
1930
9° RAC Tourist Trophy - Ards - Sports Car
1st
1930
Goodwood Revival - RAC Tourist Trophy Celebration
1st
1929
5th Tripoli Grand Prix
3rd
1928
Italian Grand Prix - Monza - World Championship
3rd
1928
4th Tripoli Grand Prix
1st