After pipping Ferrari's Sebastian Vettel with a lap of one minute 23.599 seconds in the first practice, the Briton shaved almost a second in FP2, his quickest lap clocked at 1:22.60.
Ferrari had every hope of winning their home Italian Grand Prix for the first time since 2010 on Sunday and they blew it.
Kimi Raikkonen has said he will return to Formula One next season fully motivated and with his passion for the sport undimmed after two years away.
Former world champion Kimi Raikkonen will make his return to Formula One in 2012 after signing a two-year contract with Lotus Renault, the team said on Tuesday.
Force India regained fifth position in the team standings with a double points finish at the Formula One Singapore Grand Prix at the Marina Bay Street Circuit on Sunday.
Vettel came out on top, giving Ferrari their first pole position since 2012 with a masterful lap around the floodlit Singaporean track.
Summary of sports events and persons who made news on Monday
Fans of Formula One got a taste of real-time virtual reality of the race, without the usual 30-second delay, after the 'world's first' live 360-degree technology was put to test at the Singapore Grand Prix, according to Tata Communications and Formula 1.
In a special series, we will put YOU to the test everyday!
Vettel, now 17 points behind the Briton after starting eight ahead, led from pole position until rain caused chaos in the closing laps, with the German skidding into the barriers in front of his home fans.
Mercedes' British driver Lewis Hamilton won the Brazilian Grand Prix at the Interlagos Circuit in Sao Paulo on Sunday to keep the Formula One Championship alive with one race left this season.
Formula One world champion Lewis Hamilton won his home British Grand Prix for a record sixth time on Sunday to stretch his lead over Mercedes team mate Valtteri Bottas to 39 points.
Ferrari unveiled their new Formula One car, the SF70-H, with the minimum of fanfare after a disappointing 2016 season but plenty of hope among fans that the Italian team will return to winning ways.
'I appreciate the quest for safety but this is Formula One and the way it is now is perfectly fine' 'I am sad for the sport... it doesn't look right from outside when in one week we change the qualifying format three times'
The Briton had won his own fifth championship in Mexico two weeks previously but the broader celebrations were kept in check until Interlagos.
Starting his transition to NASCAR stock car racing, 2007 Formula One world champion Kimi Raikkonen completed a two-day test of a Toyota Tundra truck on Tuesday.
Ferrari's Charles Leclerc held off Lewis Hamilton to win his first Formula One race on Sunday in the Belgian Formula One Grand Prix.
Ferrari team principal Maurizio Arrivabene welcomed back the Kimi Raikkonen of old on Sunday.
Germany's Nico Rosberg won the Italian Grand Prix for dominant Mercedes on Sunday to cut teammate Lewis Hamilton's Formula One world championship lead to two points with seven races remaining.
Sebastian Vettel cocooned himself from distraction, took inspiration from Kimi Raikkonen's astonishing 2007 title comeback and then shed tears of joy on becoming Formula One's youngest champion on Sunday.
Britain's Lewis Hamilton seized his first win for Mercedes in a sweltering Hungarian Grand Prix on Sunday while Red Bull's Sebastian Vettel moved 38 points clear in the Formula One championship despite finishing third.
Ferrari title rival Sebastian Vettel qualified only ninth.
Sebastian Vettel's Formula One title bid could suffer a further setback after a bizarre post-race incident at the Malaysian Grand Prix on Sunday.
Kimi Raikkonen won the Belgian Grand Prix for Ferrari's first success of the Formula One season on Sunday after championship leader Jenson Button crashed on the opening lap.
Formula One leader Lewis Hamilton put Mercedes on pole position for their 200th race at the German Grand Prix on Saturday while engine problems dashed Ferrari's hopes.
Nico Rosberg stormed to his sixth pole position in a row and denied Mercedes team mate Lewis Hamilton a landmark 50th in Formula One's season-ending Abu Dhabi Grand Prix on Saturday.
Hamilton and Alonso happy to see old rival Kubica return
Finnish team mate Kimi Raikkonen, who started on pole for the first time in nine years but lost the lead in the pitstops, made sure of a Ferrari one-two with Hamilton finishing seventh for Mercedes after starting 13th.
The Finn lapped the six-km Baku street circuit in one minute, 40.495 seconds, just 0.059 seconds faster than team mate and championship leader Lewis Hamilton.
Formula One World champion Sebastian Vettel ran away with the Belgian Grand Prix on Sunday to stretch his overall lead to 46 points with eight races remaining.
Formula One's first pre-season test ended in Jerez with Ferrari's Kimi Raikkonen fastest.
Red Bull's Dutch 20-year-old Max Verstappen took the chequered flag in second place with Kimi Raikkonen completing the podium for Ferrari and Australian Daniel Ricciardo finishing fourth for Red Bull.
Former world champion Kimi Raikkonen is unlikely to return to Formula One, he was quoted as saying on Saturday.
Force India's No 1 driver Adrian Sutil discusses his showing in 2009 and targets for the upcoming season.
Three-time world champion Lewis Hamilton, who incurred a penalty that ensured he finished second behind Ferrari's Sebastian Vettel at the Bahrain Grand Prix, has issued an apology to his Mercedes team.
Sebastian Vettel made full use of the virtual safety car to sneak in front of Lewis Hamilton midway the race before the German held off the frustrated Briton to win the season-opening Australian Grand Prix on Sunday.
Force India team owner and team principal Vijay Mallya on Wednesday spoke of how his team turned things around after a difficult start to Formula One in 2008. The billionaire tycoon also announced Force India's partnership deal with Computational Research Laboratories (CRL), a wholly owned subsidiary of Tata Sons to offer a fully automated Computational Fluid Dynamics (CFD) solution to aid the design of the F1 team's next generation race cars.
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.
Formula One leader Lewis Hamilton made the most of the changeable conditions to seize pole position for the Belgian Grand Prix ahead of Ferrari title rival Sebastian Vettel on Saturday.
Daniel Ricciardo showed Red Bull's pace on Wednesday by lapping Barcelona's Formula One circuit faster than anyone since the track was reconfigured in 2007.