Career
He reached the quarterfinals of the Australian Championships in 1946 and was runner-up in the men"s doubles in 1937 partnering John Bromwich. In april 1946 Harper lost just a single point when he defeated J. Sandiford 6–0, 6–0 at the Surrey Open Hard Court Championships in a match that lasted 18 minutes, the shortest singles match on record. Doubles: (1 runner-up).
