The German sped round the Monza circuit in one minute 20.526 seconds with Ferrari teammate Rubens Barrichello second in 1:20.861.
Race stewards ruled that Rubens Barrichello was released from his pitstop by Ferrari when it was not safe to do so.
Ferrari's technical director said the rule changes made it difficult for his team to win this year.
For the first time in three years, the US Open final will not be contested by Venus and Serena Williams.
Lewis Hamilton won the French Grand Prix on Sunday as Formula One champions Mercedes put on another show of dominance with their 10th victory in a row and 50th one-two finish.
It emerged then that former F1 racer Karun Chandhok's post-race video analysis for Sky Sports television formed part of what Ferrari had billed as "quite overwhelming" new and relevant evidence.
All that you wanted to know about the European Grand Prix.
Lewis Hamilton became Britain's first four-time Formula One world champion at the Mexican Grand Prix on Sunday.
A decade on from their last driver's title, courtesy of Kimi Raikkonen in 2007, Ferrari emerged from eight days of testing in Spain with the fastest lap times coupled with impressive reliability.
The younger Schumacher said no deal had been struck and his manager said he would consider other options if the negotiations failed.
Michael Schumacher of Germany, driving a Ferrari, has won the San Marino Formula One Grand Prix.
Briton Jenson Button looked a threat to the Ferrari with the second best lap in both 45 minute sessions. \n\n
World champion Michael Schumacher has recovered from flu and is itching to chalk up a record 12th victory of the season.
Michael Schumacher led the team to a one-two victory in the season-opening Australian Grand Prix.
But BMW motorsport director Mario Theissen dismissed the comments, saying the driver himself was to blame.
On a pivotal moment on lap two, he was given a 'drive-through' penalty after an incident with Ferrari's Rubens Barrichello.
Ford Motors India has apologised for an ad campaign that showed scantily-clad, voluptuous women gagged, bound and stuffed in the trunk of the car maker's Figo model.
China is offering low-priced tickets to watch Michael Schumacher and other participants in the country's first-ever Formula One race.
The Italian swept through to take the chequered flag for his first win in 117 starts.
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.
Ferrari have added Jenson Button's name to their list of candidates to take over from world champion Michael Schumacher.
The former F1 world champion lauded the pit-crew for putting out the fire that engulfed Schumacher's car during Sunday's Austrian GP.
Formula One has banned 'team orders' but old habits die hard and sometimes not at all.
Last year team orders forced Rubens Barrichello to move over and let Schumacher win at Spielberg.
Ferrari are tapping the talents of Rory Byrne, the South African designer whose cars took Michael Schumacher to seven Formula One drivers' titles with Benetton and Ferrari, to help with development of their 2014 car.
The German won a wet and wild US Grand Prix while Colombian rival Juan Pablo Montoya's title hopes were blown away.
Ferrari's ace is resigned to the idea of his younger brother helping the Colombian become world champion at his expense.
German Formula One driver Nico Hulkenberg will leave Force India and race for Renault in 2017 after signing a multi-year deal with the French manufacturer.
McLaren will support the rising career of Cheng Congfu in a bid to discover the first Chinese Formula One superstar.
Ralf Schumacher won the French GP as his team celebrated their second one-two finish in the space of a week.
F1 world champion Michael Schumacher collided with Australian Mark Webber's Jaguar in the French Grand Prix pitlane.
Jenson Button was fastest and team mate Lewis Hamilton second as McLaren dominated practice at a wet German Grand Prix on Friday while Michael Schumacher emerged unscathed from an embarrassing crash.