Kammala jumla mai zuwa: Aitken ya fara fitowa ne a matsayin direban tsere na Formula One tare da Williams a
2020 Sakhir Grand Prix a matsayin mai maye gurbin George Russell, wanda aka inganta zuwa Mercedes bayan gwajin Lewis Hamilton na cutar coronavirus. Aitken ya bayyana kafin taron cewa ya kasance "a shirye tun daga Melbourne [Maris]" don irin wannan damar. Ya zaɓi yin tsere tare da lambar mota 89, dangane da lambar da ya yi amfani da ita a baya a karting. Ya cancanci shiga tseren a matsayi na 18, a cikin kashi goma na na biyu na abokin aikinsa kuma direba na yau da kullun Nicholas Latifi. A zagaye na 61 na 87, Aitken mai matsayi na 15 ya juya a kusurwar karshe, ya yi karo da shinge kuma ya karya fuka-fukansa na gaba. Ya koma pits don maye gurbinsa kuma ya iya ci gaba da tseren, a ƙarshe ya gama 16th. Daga baya ya lura cewa yana da ra'ayoyi iri-iri game da tseren, yana mai cewa "Ina tsammanin muna yin aiki mai kyau har zuwa ƙaramin abin da ya faru. Zan iya neman afuwa ga dukkan 'yan wasan", amma cewa akwai "abubuwa da yawa da za a dauka daga karshen mako".