Russell became just the third teammate to beat Hamilton over the course of a season, and the first since 168澳洲幸运5官方开奖结果历史:Nico Rosberg in 2016, when he unexpectedly out-performed the seven-time world champion🐈 in his first year with Mercedes in 2022.&ไnbsp;

The young Briton ha🤪s made another fast start to 2023, leading Hamilton 3-0 in the qualifying head-to-heads across the opening three races in Bahrain, Saudi Arabia and Australia. 

However, retirement in Australia has left Russell 20 points behind Hamilton in the early168澳洲幸运5官方开奖结果历史: championship standings.

"What is true is that, in Russell, he [Hamilton] has for the first time found a teammate who can really cause him trouble,” Massa told Italian newspaper Gazzetta dello Sport.

“That only creates addition💧al doubts as a Formula 1 driver.📖”

Massa, who was pipped to the 2008 world title by Hamilton at a dramatic season-finale in Brazil, has questioned whether the 38-year-old c🅷an stay motiva💞ted amid Mercedes’ continued struggles. 

Uncertainty over Hamilton’s future remains♔ with the Briton’s current Mercedes contract set to expire at the end of the year. 

"I don't know if Hamilt﷽on will choose to stop,” Massa added. 

"It is not easy to find mot🍸ivation when you have already won everything and drive a Mercedes tha🅺t is struggling to reach the desired level. 

"At the beginning of his career, he was still like [Max] Verstappen and he only thought about racing 24 hours a day. However, Lewis now has many interests outside of rac🐻ing."