| | 1988 Season | | Apr 3, 1988 | | Brazil () | 12th | | May 1, 1988 | | San Marino (Imola) | 11th | | May 15, 1988 | | Monaco (Monte Carlo) | 16th | | May 29, 1988 | | Mexico (Hermanos Rodriguez) | 11th | | Jun 12, 1988 | | Canada (Gilles Villeneuve) | 13th | | Jun 19, 1988 | | USA (Detroit) | 10th | | Jul 3, 1988 | | France (Paul Ricard) | 16th | | Jul 10, 1988 | | Great Britain (Silverstone) | 26th | | Jul 24, 1988 | | Germany (Hockenheim) | 27th | | Aug 7, 1988 | | Hungary (Hungaroring) | 10th | | Aug 28, 1988 | | Belgium (Spa) | 27th | | Sep 11, 1988 | | Italy (Monza) | 24th | | Sep 25, 1988 | | Portugal (Estoril) | 8th | | Oct 2, 1988 | | Spain (Jerez) | 12th | | Oct 30, 1988 | | Japan (Suzuka) | 15th | | Nov 13, 1988 | | Australia (Adelaide) | 20th | | 1989 Season | | Mar 26, 1989 | | Brazil () | 26th | | Apr 23, 1989 | | San Marino (Imola) | 15th | | May 7, 1989 | | Monaco (Monte Carlo) | 16th | | May 28, 1989 | | Mexico (Hermanos Rodriguez) | 27th | | Jun 4, 1989 | | USA (Phoenix) | 14th | | Jun 18, 1989 | | Canada (Gilles Villeneuve) | 18th | | Jul 9, 1989 | | France (Paul Ricard) | 28th | | Jul 16, 1989 | | Great Britain (Silverstone) | 6th | | Jul 30, 1989 | | Germany (Hockenheim) | 27th | | Aug 13, 1989 | | Hungary (Hungaroring) | 14th | | Aug 27, 1989 | | Belgium (Spa) | 15th | | Sep 10, 1989 | | Italy (Monza) | 8th | | Sep 24, 1989 | | Portugal (Estoril) | 12th | | Oct 1, 1989 | | Spain (Jerez) | 16th | | Oct 22, 1989 | | Japan (Suzuka) | 25th | | Nov 5, 1989 | | Australia (Adelaide) | 28th |
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