On 19 September 2019, Williams announced that Kubica had decided to leave the team at the end of the 2019 season; he would go on to join Alfa Romeo as a reserve driver. 2019 Formula 2 Championship runner-up Nicholas Latifi was promoted from his role of reserve driver to replace Kubica for the season. Jack Aitken replaced Latifi as reserve driver. In May 2020, following publication of significant losses in 2019, Williams announced the immediate termination of its title sponsorship deal with ROKiT.