Spanish GP: Ayrton Senna, Lotus 99T Honda, leads Alain Prost, McLaren MP4-3 TAG, Gerhard Berger, Ferrari F1-87, Michele Alboreto, Ferrari F1-87, and Eddie Cheever, Arrows A10 Megatron.
Ayrton Senna, Lotus 99T Honda, leads Alain Prost, McLaren MP4-3 TAG, Gerhard Berger, Ferrari F1-87, Michele Alboreto, Ferrari F1-87, and Eddie Cheever, Arrows A10 Megatron.