Primarily a center who played some left wing, Pierre Van Reysschoot played for the Belgian ice hockey team at the 1928 and 1936 Winter Olympics. He captained the teams as well as those at three World Championships from 1933-35. Van Reysschoot was part of the national team for the first team at the 1923 European Championships but did not play. He was active, however, at the following European Championships in 1926, 1927 and 1929. At the 1927 European Championship he won a silver medal and was chosen for the European All-Star Team against Team Canada. After being head coach at the 1930 World Championships at the age of 24, he acted as player-coach at the three following World Championships. With a very long career, he played his last World Championships in 1947 after World War II.
At home, Pierre Van Reysschoot was a member of various clubs in Antwerpen including Le Puck, CPA, UPA, and Brabo, and also played for Étoile de Nord in Bruxelles. His elder brother Jacques also played in the Belgian team at the 1928 Olympics. His cousin André Poplimont represented Belgium in 1924 at the ice hockey tournament and in 1932 in fencing.