Rosberg and triple world champion Lewis Hamilton shared testing duties on Tuesday, with the Briton taking over in the afternoon for a race simulation. Together, they did 169 laps without a hitch
Sebastian Vettel handed Ferrari their first Canadian Grand Prix pole position since Michael Schumacher in 2001 on Saturday while Formula One championship leader Lewis Hamilton qualified fourth for Mercedes. Vettel, 14 points behind the Briton, will start from the front for the fourth time at the Circuit Gilles Villeneuve after setting a track record of one minute 10.764 seconds on a sunny afternoon.
Valtteri Bottas won the Azerbaijan Grand Prix on Sunday and retook the Formula One lead from team mate Lewis Hamilton after a fourth successive one-two finish for Mercedes.
Sebastian Vettel trimmed Lewis Hamilton's Formula One lead to 17 points with eight races remaining.
Ferrari's Sebastian Vettel qualified third, ahead of 21-year-old Monegasque team mate Charles Leclerc who was unable to repeat his Bahrain Grand Prix pole of two weeks ago.
Monaco's Leclerc, who had started on pole position for the first time, lost power with 10 laps to go while leading and finished third with an extra point for the fastest lap.
The triple champion, who started the race from a record 69th career pole position, led Finnish team mate Valtteri Bottas to a runaway one-two finish in front of the massed ranks of red-shirted Ferrari fans.
Hamilton already had more race wins, pole positions and podium finishes than any other driver in the history of the sport.
Formula One world championship leader Sebastian Vettel won the Bahrain Grand Prix for Ferrari on Sunday in the German's 200th race start.
The German secured his first pole since Spain in May when the red flags came out with 36 seconds remaining, leaving team mate and championship leader Lewis Hamilton no chance of claiming a 12th pole in 14 races.
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.
The Mercedes driver was fastest in every phase of qualifying to take pole with a time of one minute 42.553 seconds, a track record.
Formula One championship leader Sebastian Vettel pumped in a stunning late lap to snatch pole position from team mate Kimi Raikkonen as Ferrari dominated Chinese Grand Prix qualifying on Saturday.
Despite starting from the back of the grid, Nico Hulkenberg and Sergio Perez collected seven points for Sahara Force India from the season-opening Australian Grand Prix, in Melbourne on Sunday.
Triple Formula One world champion Lewis Hamilton won the Austrian Grand Prix on Sunday after a last-lap collision with Mercedes teammate Nico Rosberg as they fought for the lead.
The Briton lapped the Albert Park circuit in a searing one minute and 21.164 seconds to cross the line 0.664 seconds clear of Ferrari's Kimi Raikkonen.
'I think we're still the top three teams. Merc (Mercedes) and Ferrari and us. I think we're still going to be leading the pack for now, so, yeah, hopefully we're deep in that front group and have a chance to stand on that podium'
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.
Sunday's Chinese Grand Prix will be the 1,000th race of the Formula One world championship since the first at Silverstone in 1950.
Nico Rosberg crossed the line a mammoth 37.7 seconds ahead of German compatriot Sebastian Vettel, who recovered after colliding with his Ferrari team mate Kimi Raikkonen at the first corner, to claim his third win from three races this season.
Vettel will be sharing Ferrari testing duties with the 20-year-old at Bahrain's Sakhir circuit next week after the second grand prix of the season.
Toro Rosso's Carlos Sainz fears he and some other Formula One drivers have had to lose so much weight before the season starts, to compensate for heavier cars, that they risk compromising their health.
Thunder, lightning and torrential rain washed out second practice at the U.S. Formula One Grand Prix on Friday after Nico Rosberg went fastest for Mercedes in a largely meaningless morning session.
Lewis Hamilton won the Japanese Grand Prix on Sunday to equal the late Ayrton Senna's tally of 41 Formula One victories and move 48 points clear of Mercedes team mate Nico Rosberg with five races remaining.
The Mercedes driver's 55th career win was hard-fought and tense, however, with Ferrari's Vettel seizing the lead at the start and in the hunt all the way to the finish as the tyre strategies played out.
Formula One world champion Lewis Hamilton won the Belgian Grand Prix from pole position on Sunday to increase his lead over Mercedes team mate Nico Rosberg to 28 points with eight races remaining.
Five-times Formula One world champion Lewis Hamilton led a Mercedes front-row lockout with a blistering pole position at the season-ending Abu Dhabi Grand Prix on Saturday.
2016 is at the halfway stage and the year has already seen some stunning sporting wins, underdogs emerging triumphant on the biggest stages of them all.
Lewis Hamilton took a big step towards clinching his fifth Formula One title after putting his Mercedes on pole position at the U.S. Grand Prix on Saturday with Ferrari rival Sebastian Vettel starting fifth.
Ferrari's Charles Leclerc held off Lewis Hamilton to win his first Formula One race on Sunday in the Belgian Formula One Grand Prix.
The Renault Formula One team will be renamed Alpine F1 from 2021, competing in French colours to showcase the carmaker's sportscar brand, new company CEO Luca de Meo announced on Sunday.
The German is 40 points adrift of Mercedes rival Lewis Hamilton with six races remaining and is running out of time to reassert himself in the battle of the four times world champions.
Lewis Hamilton and Sebastian Vettel battle to match the late Argentine's 1950s feat of five world championships.
Mercedes opened their Formula One season by dominating practice at the Australian Grand Prix on Friday, with Nico Rosberg edging his world champion team mate Lewis Hamilton in both sessions at Albert Park.
Triple world champion Lewis Hamilton celebrated his first win of the Formula One season in a crash-filled Monaco Grand Prix on Sunday.
Finland's Valtteri Bottas seized the first Formula One victory of his career at the Russian Grand Prix on Sunday after jumping both Ferraris at the start and then holding his nerve over the tense closing laps.
Team mate Sebastian Vettel was second fastest to complete the front-row sweep, with championship leader Lewis Hamilton third for Mercedes.
The four times world champion is enjoying his best start to a season since he was at Red Bull in 2011, leading Lewis Hamilton by seven points after two wins and a second place from the first three races.
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.