[2] On 20 January 2023, Feyenoord announced that it had reached a deal with Groningen for the transfer of Kasanwirjo, with the player signing a contract for four and a half years.

[3] On 1 September 2023, Feyenoord and Rapid Wien announced that Kasanwirjo would spend the rest of the season at the Austrian club.

[4] On 21 September 2024, Kasanwirjo made his Rangers debut in a 3-0 win over Dundee in the Scottish League Cup quarter-final, coming off the bench to replace captain James Tavernier.

He made his full debut for the club just five days later, starting at left-back in a 2-0 win away at Malmo in matchday one of the UEFA Europa League.

On 1 December 2024, it was confirmed that Kasanwirjo suffered a knee injury whilst playing for Netherlands U21 and would return to his parent side Feyenoord to complete his rehabilitation.