He entered the 2018 season spending more time with his team when not driving, and anticipating possibilities for podium finishes and challenging Red Bull Racing.
Alonso's best result was fifth at the season-opening Australian Grand Prix, and he finished in the top ten nine times throughout the season.
He out-qualified his teammate Stoffel Vandoorne at every race.
Alonso announced his retirement from the sport in August, and ended his Formula One career with six consecutive non-scoring finishes in the McLaren MCL33.
He was 11th in the Drivers' Championship with 50 points.

Alonso left Formula One as a driver at the end of the season, citinga perceived lack of on-track racing, the predictability of the finishing order and felt discussions away from racing about broadcasting radio messages and polemics harmed Formula One.
Chief executive Chase Carey and Liberty Media had attempted to convince Alonso to remain in the series before he decided against it.

He remained at McLaren as a brand ambassador to aid and advise drivers and drove in select test sessions to develop the MCL34 and MCL35 cars.
Alonso drove the MCL34 during a two-day in-season post-race Bahrain test in April 2019 to develop tyres for Pirelli.
No further runs were planned for him and McLaren focused on their current drivers.
Alonso's ambassador contract with McLaren expired at the end of 2019, and was not renewed for 2020.
He entered the 2018 season spending more time with his team when not driving, and anticipating possibilities for podium finishes and challenging Red Bull Racing. Alonso's best result was fifth at the season-opening Australian Grand Prix, and he finished in the top ten nine times throughout the season. He out-qualified his teammate Stoffel Vandoorne at every race. Alonso announced his retirement from the sport in August, and ended his Formula One career with six consecutive non-scoring finishes in the McLaren MCL33. He was 11th in the Drivers' Championship with 50 points.
Alonso left Formula One as a driver at the end of the season, citinga perceived lack of on-track racing, the predictability of the finishing order and felt discussions away from racing about broadcasting radio messages and polemics harmed Formula One. Chief executive Chase Carey and Liberty Media had attempted to convince Alonso to remain in the series before he decided against it. 
He remained at McLaren as a brand ambassador to aid and advise drivers and drove in select test sessions to develop the MCL34 and MCL35 cars. Alonso drove the MCL34 during a two-day in-season post-race Bahrain test in April 2019 to develop tyres for Pirelli. No further runs were planned for him and McLaren focused on their current drivers. Alonso's ambassador contract with McLaren expired at the end of 2019, and was not renewed for 2020.
Motor racing career of Fernando Alonso