Following the 1974 test series against the British Lions, de Klerk also represent the Springboks against the, 1975 French touring team, the 1976 All Blacks, the 1980 South American Jaguars and British Lions, and the 1981 Irish touring team. De Klerk’s last test match was against Ireland on his 31st birthday, 6 June 1981 at Kings Park Stadium, Durban. De Klerk played 13 test matches for the Springboks.