Ahead of the 2022 F1 season, we take a look at the young drivers who will be keen to take the next step in their careers.
Perez set the fastest time on Pirelli's C4 compound tyres, as Red Bull appeared to shift its focus to performance ahead of next week's race.
The Alfa Romeo F1 team, which will be led by Valtteri Bottas and Zhou Guanyu, continued its expansion towards decentralised finance.
Alfa Romeo are the only side with an all-new driver line-up this season, featuring Valtteri Bottas and Guanyu Zhou.
The Finn completed only 10 laps in the Alfa Romeo C42, the least of any driver on the day, as his team struggled with reliability issues.
Alfa Romeo became the final team to reveal their challenger's livery for the season, which they described to be a subtle nod to the past.
Alfa Romeo encountered a number of issues during the three-day testing at Barcelona, severely limiting their track time.
Alfa Romeo had a poor 2021 season, scoring a total of only 13 points and finishing ninth in the constructor's standings.
Zhou, 22, has joined Alfa Romeo for the upcoming season, making him the first Chinese driver in Formula One history.
The new car will be powered by Ferrari once again, with Alfa Romeo continuing their partnership, but it will lack Ferrari's gearbox.