It remained warm and overcast for the Saturday morning practice sessions. Michael Schumacher set the fastest time of the third session of 1:30.658 which was recorded at the end of the session though he lost control of the rear-end of his Ferrari after clipping a kerb at the Veedol-S chicane early in the session. His teammate Barrichello was second fastest. Ralf Schmacher was third fastest, ahead of his Williams teammate Montoya. Heidfeld secured the fifth fastest time ahead of Räikkönen. Massa, Button, Coulthard and Trulli followed in the top ten. In the final practice session, Michael Schumacher was unable to improve his time but remained fastest; Barrichello finished with the third quickest lap. Heidfeld was running quicker and was fourth, ahead of Ralf Schumacher and Salo. Coulthard, Montoya, Trulli and Button completed the top ten ahead of qualifying. de la Rosa had a hydraulic leak and fire in his car which prevented him from setting a lap time.