Monaco GP
Michele Alboreto, Ferrari F1-87, leads Alain Prost, McLaren MP4-3 TAG, Eddie Cheever, Arrows A10 Megatron, Gerhard Berger, Ferrari F1-87, Thierry Boutsen, Benetton B187 Ford, Derek Warwick, Arrows A10 Megatron, Riccardo Patrese, Brabham BT56 BMW, and Teo Fabi, Benetton B187 Ford.