 On 16 September 2018, van der Wiel played a key role in Toronto's 5–3 win over against LA Galaxy, when he set up two of his side's goals.Despite being sidelined on three occasions later in the season, he went on to make thirty-four appearances in all competitions for the side.During the season, van der Wiel played in several different positions for the side, such as centre-back, left-back, and right-midfield.