Career
Club Karsdorp is a youth exponent from the Feyenoord Academy. He made his first team debut on 6 August 2014 against Beşiktaş J.K. in a Union of European Football Associations Champions League third round qualifier. He replaced Jordy Clasie after 69 minutes in a 3-1 away defeat.
International Karsdorp received his first call up to the senior Netherlands team in September 2015 for Union of European Football Associations Euro 2016 qualifiers against Kazakhstan and Czechoslovakian Republic.
He was called up again in March 2016 for friendlies against France and England.