Valtteri Bottas was fastest in afternoon practice at the Autodromo Nazionale Monza on Friday, ahead of this weekend's Italian Grand Prix.
Bottas was a little over a tenth of a second faster than his team mate Lewis Hamilton's morning benchmark. Hamilton also improved in FP2 but he ended q quiet session 0.056s off Bottas' best.
The second practice ended with the same two-by-two line-up in the first six positions, with Ferrari drivers Sebastian Vettel and Kimi Raikkonen ending the day faster than the two Red Bull drivers Max Verstappen and Daniel Ricciardo.
However, McLaren displaced Force India in the running order. Stoffel Vandoorne and Fernando Alonso were seventh and eighth respectively on the timing screens, with Esteban Ocon demoted to ninth. Williams' Felipe Massa rounded out the top ten.
After the morning's light rain, second free practice started in overcast but dry conditions. With rain still a possibility, the teams got to work straight away with the Haas duo of Romain Grosjean and Kevin Magnussen first on track.
Once the initial flurry of laps was over, Hamilton emerged to go top 15 minutes into the session with a time of 1:21.956s on soft compound tyres. That put him almost half a second faster than Bottas and Raikkonen. Vettel was fourth fastest ahead of the two Red Bull drivers, with Force India's Esteban Ocon seventh albeit over a second off Hamilton's pace.
Verstappen's first outing on supsersofts promoted him to third place, despite the RB13 proving tail-happy through Ascari. Lance Stroll also found that section a tall order: he spun round and sparked double waved yellows, until the Williams got back going in the right direction.
As the 90-minute session approached the midway point, Bottas went top with a lap of 1:21.406s which was half a tenth faster than his Mercedes team mate's latest. Vettel and Raikkonen also improved, demoting Verstappen straight back to fifth. Meanwhile McLaren's experiments in arranging a 'tow' between their cars saw Stoffel Vandoorne boosted to seventh by Fernando Alonso.
With the weather remaining dry, attention then turned to long distance runs on the supersofts. Mercedes actually called time on their session ten minutes early, content that their programme has been successfully completed.
Another driver losing time on Friday afternoon - albeit for less happy reasons - was Renault's Nico Hulkenberg. He managed just 14 laps before being sidelined in the garage with a hydraulic issue. By comparison, Force India's Esteban Ocon and Sergio Perez both completed 43 laps after lunch.
Birthday boy Carlos Sainz was forced to pull off at the second chicane after he started spewing a trail of smoke and oil. The Toro Rosso was parked out of the way and didn't interrupt proceedings. By contrast, a virtual safety car was needed when Magnussen stopped on track after exiting the second Lesmo with broken suspension.
Toro Rosso's disappointment was compounded when Sainz' team mate Daniil Kvyat was ordered back to the pits with a problem ten minutes before the chequered flag came out.
Italian Grand Prix - Free Practice 2 results
| Pos | Driver | Team | Time | Gap | Laps |
|---|---|---|---|---|---|
| 1 | Valtteri Bottas | Mercedes | 1:21.406s | 25 | |
| 2 | Lewis Hamilton | Mercedes | 1:21.462s | + 0.056s | 24 |
| 3 | Sebastian Vettel | Ferrari | 1:21.546s | + 0.140s | 33 |
| 4 | Kimi Räikkönen | Ferrari | 1:21.804s | + 0.398s | 34 |
| 5 | Max Verstappen | Red Bull | 1:22.409s | + 1.003s | 34 |
| 6 | Daniel Ricciardo | Red Bull | 1:22.752s | + 1.346s | 22 |
| 7 | Stoffel Vandoorne | McLaren | 1:22.947s | + 1.541s | 31 |
| 8 | Fernando Alonso | McLaren | 1:22.968s | + 1.562s | 31 |
| 9 | Esteban Ocon | Force India | 1:22.977s | + 1.571s | 43 |
| 10 | Felipe Massa | Williams | 1:22.985s | + 1.579s | 42 |
| 11 | Carlos Sainz | Toro Rosso | 1:23.150s | + 1.744s | 21 |
| 12 | Nico Hülkenberg | Renault | 1:23.272s | + 1.866s | 14 |
| 13 | Jolyon Palmer | Renault | 1:23.317s | + 1.911s | 34 |
| 14 | Sergio Pérez | Force India | 1:23.352s | + 1.946s | 43 |
| 15 | Lance Stroll | Williams | 1:23.403s | + 1.997s | 36 |
| 16 | Romain Grosjean | Haas | 1:23.567s | + 2.161s | 31 |
| 17 | Kevin Magnussen | Haas | 1:23.650s | + 2.244s | 20 |
| 18 | Daniil Kvyat | Toro Rosso | 1:24.253s | + 2.847s | 28 |
| 19 | Marcus Ericsson | Sauber | 1:24.894s | + 3.488s | 39 |
| 20 | Pascal Wehrlein | Sauber | 1:25.295s | + 3.889s | 25 |
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