MONACO GRAND PRIX - PRACTICE 1
27 May 1990
Circuit de Monaco, Monaco
| Pos. | No. | Driver | Team | Time / Gap |
|---|---|---|---|---|
| 1 | 4 | Jean AlesiALE | Tyrrell Ford | 1:22.730 |
| 2 | 27 | Ayrton SennaSEN | McLaren Honda | +0.384s |
| 3 | 28 | Gerhard BergerBER | McLaren Honda | +0.824s |
| 4 | 2 | Nigel MansellMAN | Ferrari | +1.363s |
| 5 | 6 | Riccardo PatresePAT | Williams Renault | +1.783s |
| 6 | 23 | Pierluigi MartiniMAR | Minardi Ford | +2.134s |
| 7 | 11 | Derek WarwickWAR | Lotus Lamborghini | +2.154s |
| 8 | 5 | Thierry BoutsenBOU | Williams Renault | +2.269s |
| 9 | 8 | Stefano ModenaMOD | Brabham Judd | +2.307s |
| 10 | 12 | Martin DonnellyDON | Lotus Lamborghini | +2.326s |
| 11 | 1 | Alain ProstPRO | Ferrari | +2.343s |
| 12 | 20 | Nelson PiquetPIQ | Benetton Ford | +2.760s |
| 13 | 3 | Satoru NakajimaNAK | Tyrrell Ford | +2.773s |
| 14 | 29 | Eric BernardBER | Lola Lamborghini | +2.975s |
| 15 | 24 | Paolo BarillaBAR | Minardi Ford | +3.188s |
| 16 | 21 | Emanuele PirroPIR | Dallara Ford | +3.194s |
| 17 | 22 | Andrea de CesarisDEC | Dallara Ford | +3.274s |
| 18 | 33 | Roberto MorenoMOR | Euro Brun Judd | +3.314s |
| 19 | 19 | Alessandro NanniniNAN | Benetton Ford | +3.502s |
| 20 | 30 | Aguri SuzukiSUZ | Lola Lamborghini | +3.596s |
| 21 | 25 | Nicola LariniLAR | Ligier Ford | +3.789s |
| 22 | 10 | Alex CaffiCAF | Arrows Ford | +3.965s |
| 23 | 26 | Philippe AlliotALL | Ligier Ford | +4.331s |
| 24 | 14 | Olivier GrouillardGRO | Osella Ford | +4.676s |
| 25 | 9 | Michele AlboretoALB | Arrows Ford | +4.874s |
| 26 | 35 | Gregor FoitekFOI | Onyx Ford | +4.923s |
| 27 | 15 | Mauricio GugelminGUG | Leyton House Judd | +5.120s |
| 28 | 16 | Ivan CapelliCAP | Leyton House Judd | +5.822s |
| 29 | 36 | Jyrki JarvilehtoJAR | Onyx Ford | +6.086s |
| 30 | 7 | David BrabhamBRA | Brabham Judd | +6.139s |