Italian GP: Gerhard Berger, Ferrari F1-87, leads Nigel Mansell, Williams FW11B Honda, Alain Prost, McLaren MP4-3 TAG, Ayrton Senna, Lotus 99T Honda, Michele Alboreto, Ferrari F1-87, and Stefan Johansson, McLaren MP4-3 TAG.
Gerhard Berger, Ferrari F1-87, leads Nigel Mansell, Williams FW11B Honda, Alain Prost, McLaren MP4-3 TAG, Ayrton Senna, Lotus 99T Honda, Michele Alboreto, Ferrari F1-87, and Stefan Johansson, McLaren MP4-3 TAG.