Massa leads practice 2

Apart from a brief interruption by Alonso, Massa held sway throughout the session. He opened with a 1:29.393 lap, then found another 0.8 seconds next time through.

When Alonso closed to within 0.009 seconds on his second run, Massa improved to a 1:28.111 to increase the gap to four tenths.

The McLaren nipped ahead by 0.071 seconds after half an hour, shortly before 15 minutes of the session were lost to a red flag.

Rubens Barrichello was the primary cause, spinning lightly into the barriers after tagging the grass with his Honda's left rear wheel approaching the final corners.

At the same time, Heikki Kovalainen's Renault ground to a halt at Turn 3, ending a difficult session in which he had been a second off teammate Giancarlo Fisichella after their first flying laps, and then took to the grass at Turn 1 on his next run.

Ominously for Renault, who had enjoyed promising reliability in the winter, Fisichella also stopped on track in the closing minutes of the session.

When practice resumed, Massa quickly usurped Alonso and continued to improve his time on successive laps until reaching the 1:27.353 that would stand as the afternoon benchmark with nine minutes left.

Shortly afterwards teammate Kimi Raikkonen, who had so far had a low-key session, jumped to second, pushing the continually impressive Lewis Hamilton back to third. The GP2 champion ended up 0.2 seconds quicker than teammate Alonso, who eventually dropped back to sixth.

The world champion was shuffled down the order as Fisichella improved to fourth before pulling off, Nick Heidfeld again demonstrated BMW's pace by taking fifth, and Alex Wurz made a surprise late leap to sixth for Williams, who also had Nico Rosberg in eighth place.

Robert Kubica and David Coulthard - who had twice visited the Turn 1 gravel - completed the top ten.

With the teams eager to make the most of the dry track after this morning's rain, the opening minutes of the second session had seen a flurry of activity and incident, with almost the entire field immediately embarking on flying laps - and several drivers heading straight off the track.

Within the first five minutes of running, Nick Heidfeld had followed Jarno Trulli into a synchronised trip across the Turn 1 gravel, Vitantonio Liuzzi had spun, and both Robert Kubica and Nico Rosberg had gone off at Turn 12, with the BMW spinning and the Williams gathering up a wild moment. Kubica and Liuzzi would briefly revisit the gravel later in the session.

The teams are the centre of the looming 'customer car' controversy produced very different performances.

While the Toro Rossos barely featured in the top 20 all afternoon, Super Aguri's Anthony Davidson and Takuma Sato outpaced the works Hondas. Although Davidson was ultimately the quicker of the pair in 11th, Sato had held ninth in the middle stages of the session.

Pos  Driver        Team                    Time              Laps
 1.  Massa         Ferrari            (B)  1:27.353           32
 2.  Raikkonen     Ferrari            (B)  1:27.750 + 0.397   33
 3.  Hamilton      McLaren-Mercedes   (B)  1:27.829 + 0.476   29
 4.  Fisichella    Renault            (B)  1:27.941 + 0.588   33
 5.  Heidfeld      BMW Sauber         (B)  1:27.970 + 0.617   27
 6.  Wurz          Williams-Toyota    (B)  1:27.981 + 0.628   31
 7.  Alonso        McLaren-Mercedes   (B)  1:28.040 + 0.687   25
 8.  Rosberg       Williams-Toyota    (B)  1:28.055 + 0.702   29
 9.  Kubica        BMW Sauber         (B)  1:28.281 + 0.928   26
10.  Coulthard     Red Bull-Renault   (B)  1:28.495 + 1.142   23
11.  Davidson      Super Aguri-Honda  (B)  1:28.727 + 1.374   28
12.  Trulli        Toyota             (B)  1:28.921 + 1.568   33
13.  Sato          Super Aguri-Honda  (B)  1:29.009 + 1.656   23
14.  Button        Honda              (B)  1:29.066 + 1.713   30
15.  Barrichello   Honda              (B)  1:29.542 + 2.189   12
16.  R.Schumacher  Toyota             (B)  1:29.574 + 2.221   26
17.  Webber        Red Bull-Renault   (B)  1:29.801 + 2.448   11
18.  Kovalainen    Renault            (B)  1:30.097 + 2.744   10
19.  Speed         Toro Rosso-Ferrari (B)  1:30.383 + 3.030   28
20.  Sutil         Spyker-Ferrari     (B)  1:31.108 + 3.755   35
21.  Albers        Spyker-Ferrari     (B)  1:31.175 + 3.822   32
22.  Liuzzi        Toro Rosso-Ferrari (B)  1:31.693 + 4.340   16

All timing unofficial