 On 14 December 2016, Tørnes made his Vitesse debut in a KNVB Cup tie against Jodan Boys, in which Vitesse won 4–0.Tørnes was a member of the squad that went on to win the KNVB Cup, earning Vitesse their first major trophy in their 125-year history.On 29 March 2018, it was announced that Tørnes would be leaving Vitesse at the end of his contract in June.