Japanese GP: Nigel Mansell, Williams FW12 Judd, leads Michele Alboreto, Ferrari F1/87-88C, Alessandro Nannini, Benetton B188 Ford, Thierry Boutsen, Benetton B188 Ford, Riccardo Patrese, Williams FW12 Judd, and Andrea de Cesaris, Rial ARC-01 Ford.
Nigel Mansell, Williams FW12 Judd, leads Michele Alboreto, Ferrari F1/87-88C, Alessandro Nannini, Benetton B188 Ford, Thierry Boutsen, Benetton B188 Ford, Riccardo Patrese, Williams FW12 Judd, and Andrea de Cesaris, Rial ARC-01 Ford.