McLaren's Jenson Button won the Formula One season-opening Australian Grand Prix ahead of world champion Sebastian Vettel on Sunday.
Ferrari's six-times world champion Michael Schumacher starts Sunday's Canadian Grand Prix on the third row in sixth place.
Honda's Otmar Szafnauer said Imola represented the first of several significant steps planned by BAR's Japanese engine partner this season.
Briton Jenson Button looked a threat to the Ferrari with the second best lap in both 45 minute sessions. \n\n
Jenson Button hit back at Niki Lauda on Saturday after the Austrian Formula One great suggested the driver had told him he wanted to stay at McLaren next year and any uncertainty was about money.
Jenson Button's hopes of wrapping up the Formula One title in Japan on Sunday receded after race stewards slapped a five place penalty on the championship leader.
Ferrari's world champion Michael Schumacher, winner at Silverstone last year, qualified a disappointing ninth.
The Italian swept through to take the chequered flag for his first win in 117 starts.
The world champion was 1.4 seconds faster than Jenson Button in Friday's practice for the Spanish Grand Prix.
Formula One world champion Jenson Button escaped unhurt from an attempted armed attack as he was driven away from the Brazilian Grand Prix circuit on Saturday, he and his McLaren team said.
Formula One world champion Jenson Button timed his pitstop to perfection to chalk up his first win for McLaren in a rain-affected and entertaining Australian Grand Prix on Sunday.
The BAR driver explained team chief David Richards his decision to leave the team at the end of the year and join rivals Williams.
Button said he was confident the team would overcome its "current difficulties" to achieve great successes in the future.
After winning three of the first four races of the Formula One season in Asia and the Middle East, Jenson Button heads back to Europe and into the unknown. The championship-leading Briton has been the quickest and most consistent driver so far but, as McLaren's world champion Lewis Hamilton showed on Bahrain on Sunday, the rest are picking up the pace.
Jenson Button made the best possible start to his quest for a third successive Formula One victory by setting the quickest lap time in Friday's two practice sessions for the Chinese Grand Prix. The Briton, who won the first two races of the season from pole position, again showed the pace of his Brawn GP car with a storming lap of one minute, 35.679 seconds late in the second session.
What started out as one of Jenson Button's worst day as a driver turned into his best as the Briton mounted one of Formula One's great charges to steal victory from Sebastian Vettel at the Canadian Grand Prix on Sunday.
Formula One championship leader Jenson Button put himself on pole position for a fifth win in six races after a manic Monaco Grand Prix qualifying session on Saturday. Kimi Raikkonen, the 2007 world champion whose Ferrari team are threatening to walk away at the end of the season in a standoff over the 2010 rules, joined the Briton on the front row in a sign of the Italian team's resurgence after a dismal start to the year.
Formula One champion Jenson Button said he was more motivated than ever after his first full day inside the lions' den as Lewis Hamilton's new McLaren team mate. Braving the snow to turn up -- on Hamilton's 25th birthday -- for his first 'proper' visit to the Woking factory, Button relished the challenge ahead after a move decried by some as madness after the greatest year of his life.
Britain's Jenson Button chalked up his fifth win in six races with team mate Rubens Barrichello following him home for a Brawn GP one-two at the Monaco Grand Prix on Sunday.
Formula One championship leader Jenson Button mastered Monaco's treacherous streets on Sunday to chalk up his fifth victory in six races and lead another Brawn GP one-two finish.
McLaren gave their rivals something to chew over on Tuesday as Jenson Button kicked off Formula One's pre-season testing with a lap comfortably quicker than anyone else's.
McLaren's Jenson Button celebrated his 200th Formula One start by winning the Hungarian Grand Prix on Sunday after a thrilling race decided by tyre choices in the slippery, wet conditions.
McLaren's Jenson Button celebrated his 200th Formula One start by winning the Hungarian Grand Prix on Sunday after a thrilling race decided by tyre choices in the slippery, wet conditions.
McLaren's Jenson Button celebrated his 200th Formula One start by winning the Hungarian Grand Prix on Sunday after a thrilling race decided by tyre choices in the slippery, wet conditions.
Formula One world champion Jenson Button timed his pitstop to perfection to chalk up his first win for McLaren in a rain-affected and entertaining Australian Grand Prix on Sunday.
World champion Jenson Button put Formula One firmly ahead of his love life on Saturday after fending off awkward questions about breaking up with his lingerie model girlfriend.
McLaren can deny Red Bull's Formula One leader Sebastian Vettel a fourth straight win, Jenson Button said at the Indian Grand Prix on Thursday.