Lewis Hamilton won a thrilling Italian Grand Prix for Mercedes on Sunday to stretch his championship lead to 30 points over Ferrari's Sebastian Vettel, who fought back to fourth after a first lap spin.
Red Bull's triple Formula One world champion Max Verstappen won a US Grand Prix sprint race from pole position on Saturday after an early challenge from Mercedes's Lewis Hamilton.
Ferrari's times were eye-catching, and quicker than anything from last year's weather-affected first four-day test at the Circuit de Catalunya.
Gene, 30, has been employed in the same role with BMW-powered Williams for the past four years.
The Scottish broadcaster said Murray was self-isolating and still had hopes of competing in the Australian Open next month.
"It was not a problem of the mechanics, it was our problem and we have to make sure we fix it"
Ferrari presented the SF90 with plenty of fanfare at their Maranello factory.
Mick Schumacher stepped into his father Michael's 2004 Formula One championship-winning Ferrari at the German Grand Prix on Saturday and found it a perfect fit.
Red Bull and Williams are opposed to Ferrari's request to let Michael Schumacher test in Felipe Massa's F60 car as the seven-times world champion prepares to return to Formula One in place of the injured Brazilian. In a statement, Williams chief Frank Williams said the FIA would be setting a precedent if Schumacher is allowed to test.
The Brazilian said he would never forget the team's support for him after his near-fatal head injury at the 2009 Hungarian Grand Prix.
Kimi Raikkonen believes he still has the speed that Ferrari need despite reports that the Formula One team are lining up a replacement for 2016 in fellow-Finn Valtteri Bottas.
Images from the Russian F1 Grand Prix in Sochi on Sunday
Charles Leclerc seized pole position for the Belgian Formula One Grand Prix on Saturday ahead of team mate Sebastian Vettel who completed a front row lockout for Ferrari.
Sebastian Vettel has lived through a number of false dawns at Ferrari but bright sunshine bathed the team's garage after the German's Australian Grand Prix victory on Sunday.
Finland's Valtteri Bottas and Brazilian Felipe Massa will stay at Williams in 2015 after the resurgent Formula One team announced on Sunday what had to be one of their easiest decisions of the season.
Vettel, 17 points behind Hamilton after a commanding win in Belgium last Sunday, has previously triumphed at Monza with Toro Rosso and Red Bull and will fancy his chances of the hat-trick at the super-fast track outside Milan.
Kimi Raikkonen has plenty of supporters among the passionate Ferrari 'tifosi' as the team's first champion of the post-Schumacher era, and last to date, and his return would a break with Ferrari tradition as much as a blast from the past.
Lando Norris capitalised on a bit of good fortune to win the Miami Grand Prix on Sunday
Williams will have a picture of Ayrton Senna on their car this season as Formula One marks the 20th anniversary of the triple champion's death.
In a race of safety cars and surprises, Verstappen's former team mate Pierre Gasly made a first podium appearance in second place for Red Bull-owned Toro Rosso, a rare Honda-powered one-two.
Williams technical director Sam Michael and chief aerodynamicist Jon Tomlinson will leave their positions at the end of 2011, the Formula One team said on Tuesday.
The shocked 21-year-old rookie was unhurt in the incident between turns two and three but Williams said the chassis would have to be replaced, sidelining the Briton until Saturday's final session before qualifying. Former world champions Williams are already facing plenty of problems with an uncompetitive car that is some way off their rivals' pace.
Max Verstappen put Red Bull on pole position for his home Dutch Grand Prix at Zandvoort for the third year in a row
Ferrari's Sebastian Vettel won the Bahrain Grand Prix to go seven points clear at the top of the Formula One standings on Sunday, with Mercedes rival Lewis Hamilton staging a late charge to finish second.
Formula One stewards cleared Brawn GP, Toyota and Williams to race in the season-opening Australian Grand Prix after rejecting the protests of three rival teams on Thursday. After six hours of deliberation at the Albert Park circuit, the governing International Automobile Federation (FIA) said the officials had dismissed protests by Red Bull, Renault and champions Ferrari.
German rookie Nico Hulkenberg stunned Formula One's title contenders by seizing pole position for Williams by a massive margin at the Brazilian Grand Prix on Saturday.
Brazilian Felipe Massa announced on Tuesday he is leaving Ferrari at the end of the season, opening the door for Kimi Raikkonen to return to the Formula One team that took him to the title in 2007.
Max Verstappen became the first Formula One driver to take 16 victories in a season
Nico Rosberg secured pole position for the Russian Grand Prix after Mercedes team mate Lewis Hamilton suffered more misfortune in Saturday's qualifying.
Sebastian Vettel drove a flawless tactical race to claim his maiden victory for Ferrari at the Malaysian Grand Prix on Sunday, registering the first Formula One win for the Italian team since 2013.
McLaren struggled, with Kimi Raikkonen eighth fastest and David Coulthard 11th in Friday's first practice for the San Marino Grand Prix.
Williams join Ferrari, Midland/Jordan, Red Bull and Toro Rosso/Minardi in agreeing to an extension with the F1 chief.
It was the first time this season that Mercedes had failed to take pole and Sunday's race will be Williams's first start from the front of the grid since Venezuelan Pastor Maldonado in Spain in 2012.
Williams were suspended from the Formula One Teams Association on Wednesday for entering the 2010 championship and breaking what had been a united front in a standoff with the governing body. The former champions are the only current team to have formally submitted an entry, with champions Ferrari and others threatening to leave the sport unless the 2010 rules are rewritten.
"It's better to be a Ferrari test driver than to drive for an uncompetitive team," the Spaniard said.
Vettel came out on top, giving Ferrari their first pole position since 2012 with a masterful lap around the floodlit Singaporean track.
Red Bull's Max Verstappen started the season with a commanding Bahrain Grand Prix win from pole position.