Kammala jumla mai zuwa: Vandoorne shine direban simulator na ƙungiyar Mercedes a cikin 2019 kuma an sanya shi a matsayin ɗayan direbobin ƙungiyar a cikin 2020, amma a ƙarshe ba a zaɓe shi a matsayin direban ƙungiyar ba
2020 Sakhir Grand Prix bayan Hamilton ya gwada tabbatacce don COVID-19. Vandoorne ya tuka Mercedes a cikin gwajin Abu Dhabi Young Drivers Test na 2020 tare da abokin aikinsa na Formula E Nyck de Vries.