Japanese GP: Alain Prost, McLaren MP4-3 TAG, leads Thierry Boutsen, Benetton B187 Ford, Ayrton Senna, Lotus 99T Honda, and Nelson Piquet, Williams FW11B Honda.
Alain Prost, McLaren MP4-3 TAG, leads Thierry Boutsen, Benetton B187 Ford, Ayrton Senna, Lotus 99T Honda, and Nelson Piquet, Williams FW11B Honda.