Date Race Circuit Winner Pole position
Apr 3rd
Brazilian Grand Prix
Autódromo Internacional Nelson Piquet
#11 Alain Prost
Ayrton Senna
May 1st
San Marino Grand Prix
Autodromo Enzo e Dino Ferrari
#12 Ayrton Senna
Ayrton Senna
May 15th
Monaco Grand Prix
Circuit de Monaco
#11 Alain Prost
Ayrton Senna
May 29th
Mexican Grand Prix
Autódromo Hermanos Rodríguez
#11 Alain Prost
Ayrton Senna
Jun 12th
Canadian Grand Prix
Circuit Gilles Villeneuve
#12 Ayrton Senna
Ayrton Senna
Jun 19th
Detroit Grand Prix
Detroit Street Circuit
#12 Ayrton Senna
Ayrton Senna
Jul 3rd
French Grand Prix
Circuit Paul Ricard
#11 Alain Prost
Alain Prost
Jul 10th
British Grand Prix
Silverstone Circuit
#12 Ayrton Senna
Gerhard Berger
Jul 24th
German Grand Prix
Hockenheimring
#12 Ayrton Senna
Ayrton Senna
Aug 7th
Hungarian Grand Prix
Hungaroring
#12 Ayrton Senna
Ayrton Senna
Aug 28th
Belgian Grand Prix
Circuit de Spa-Francorchamps
#12 Ayrton Senna
Ayrton Senna
Sep 11th
Italian Grand Prix
Autodromo Nazionale di Monza
#28 Gerhard Berger
Ayrton Senna
Sep 25th
Portuguese Grand Prix
Autódromo do Estoril
#11 Alain Prost
Alain Prost
Oct 2nd
Spanish Grand Prix
Circuito de Jerez
#11 Alain Prost
Ayrton Senna
Oct 30th
Japanese Grand Prix
Suzuka Circuit
#12 Ayrton Senna
Ayrton Senna
Nov 13th
Australian Grand Prix
Adelaide Street Circuit
#11 Alain Prost
Ayrton Senna