Felipe Massa insists he is not fazed by the latest round of criticism.
In Spain last weekend, however, Massa qualified ninth while his young teammate Valtteri Bottas made the headlines with his impressive run to fourth.
Once again, Massa is facing criticism, but he told Brazil's Totalrace: "I'm not the least bit worried.
"The focus is on the next race and doing a better job. I'm used to the pressure," he added.
He said the Grove based team is currently looking into why his tyre wear was much higher than expected in Barcelona.
"I think the only change was the temperature," said Massa. "With the colder track, something did not work for me."
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