Lewis Hamilton has completed an Italian Grand Prix clean sweep in Saturday’s final practice sessions at the Autodromo Monza, following his session-topping efforts in Friday’s first and second sessions.

The final one-hour practice session saw the track still damp after earlier rain showers, which ultimately created a rather mixed up timesheet and little indication as to a real form guide for Saturday afternoon’s qualifying session.

Rather than leading another Mercedes 1-2 as was the case in Friday, the Silver Arrows were split by Ferrari’s Sebastian Vettel, who lapped just over a quarter of a second shy of Hamilton’s session-topping time of 1:24.544.

The start of the session saw few tentative wet tyre runs until the track surface had dried sufficiently to switch to dry-weather tyres. Hamilton moved to the top with a run on Pirelli’s Soft tyres, although the time was three-tenths slower than what he managed in Friday’s second practice session.

Rosberg slotted into third place, three-hundredths of a second behind Vettel, and ahead of the Williams duo of Valtteri Bottas and Felipe Massa.

Pastor Maldonado was sixth-fastest in the Lotus, bumping the second Ferrari of Kimi Räikkönen down to seventh place.

Force India had a comparatively quieter session, with Sergio Pérez eighth-fastest and Nico Hülkenberg half-a-second further behind in twelfth place. The pair sandwiched the two Saubers of Marcus Ericsson and Felipe Nasr, along with the second Lotus of Romain Grosjean.

The two McLarens of Fernando Alonso and Jenson Button were next up, although the latter struggled through the session with brake lock-ups.

Will Stevens took his Manor Marussia to the rather giddy heights of fifteenth in the mixed conditions, although he was flattered by slow times for the Toro Rosso and Red Bull runners, who didn’t bother attempting qualifying simulation runs given they will take hefty grid penalties into the race.

Max Verstappen, Daniil Kvyat and Carlos Sainz Jr finished behind the Englishman, with his teammate Roberto Merhi finishing ahead of Daniel Ricciardo, who brought up the rear of the field after stopping with a suspected engine problem.

Saturday’s qualifying session at Monza begins at 14:00 local time (GMT +2).

Formula 1 Gran Premio D’Italia 2015 – Free Practice 3 Results
Pos Driver Team / Entry Time Gap Laps
1. Lewis Hamilton uk Mercedes AMG Petronas F1W06 Hybrid 1:24.544 18
2. Sebastian Vettel de Scuderia Ferrari SF15-T 1:24.808 + 0.264 12
3. Nico Rosberg de Mercedes AMG Petronas F1W06 Hybrid 1:24.843 + 0.299 19
4. Valtteri Bottas fi Williams Martini Racing Mercedes FW37 1:24.946 + 0.402 14
5. Felipe Massa br Williams Martini Racing Mercedes FW37 1:25.165 + 0.621 14
6. Pastor Maldonado ve Lotus F1 Team Mercedes E23 Hybrid 1:25.242 + 0.698 11
7. Kimi Räikkönen fi Scuderia Ferrari SF15-T 1:25.244 + 0.700 13
8. Sergio Pérez mx Sahara Force India Mercedes VJM08B 1:25.515 + 0.971 14
9. Marcus Ericsson se Sauber F1 Team Ferrari C34 1:25.692 + 1.148 17
10. Romain Grosjean fr Lotus F1 Team Mercedes E23 Hybrid 1:25.747 + 1.203 8
11. Felipe Nasr br Sauber F1 Team Ferrari C34 1:25.912 + 1.368 17
12. Nico Hülkenberg de Sahara Force India Mercedes VJM08B 1:26.141 + 1.597 13
13. Fernando Alonso es McLaren Honda MP4-30 1:26.632 + 2.088 9
14. Jenson Button uk McLaren Honda MP4-30 1:26.750 + 2.206 14
15. Will Stevens uk Manor Marussia F1 Team Ferrari MR03B 1:28.123 + 3.579 13
16. Max Verstappen nl Scuderia Toro Rosso Renault STR10 1:28.215 + 3.671 25
17. Daniil Kvyat ru Infiniti Red Bull Racing Renault RB11 1:28.591 + 4.047 10
18. Carlos Sainz es Scuderia Toro Rosso Renault STR10 1:28.628 + 4.084 23
19. Roberto Merhi es Manor Marussia F1 Team Ferrari MR03B 1:29.117 + 4.573 11
20. Daniel Ricciardo au Infiniti Red Bull Racing Renault RB11 1:29.900 + 5.356 7

Image via Mercedes AMG Petronas F1 Team

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Richard Bailey

Founder & Chief Editor at MotorsportM8
Hasn't missed a Grand Prix since 1989. Has a soft spot for Minardi. Tattooed with 35+ Grand Prix circuits.