Schlebusch played three test matches for the Springboks. His first test was the third tests in the series against the 1974 Lions team captained by Willie John McBride, played at the Boet Erasmus Stadium in Port Elizabeth. He then played in the fourth test against the Lions at Ellis Park, that ended in a 13–all draw between the teams. His third and final test match was in 1975 against France at Loftus Versfeld in Pretoria.[3]