Background
Johnstone was born in Bulawayo, Rhodesia and attended Christian Brothers College.
Johnstone was born in Bulawayo, Rhodesia and attended Christian Brothers College.
He lives in Sunningdale in England. He turned professional in 1979 and has spent his career playing mainly on the Southern African Sunshine Tour and in Europe. He has represented Zimbabwe in international competition many times.
In 2004 Johnstone was diagnosed with multiple sclerosis, possibly ending his playing career.
With a revolutionary drug treatment, he appears to have put his Mississippi in remission and made his European Seniors Tour debut shortly after turning fifty in 2006. Johnstone is noted for his excellent short game and topped the European Tour"s short game statistics in 1998, 1999 and 2000.
He has also worked as a golf broadcaster. European Tour (6) Sunshine Tour (17) 1984 South African Open, Charity Classic, South African Masters Other wins European Seniors Tour (2) DNP = Did not play CUT = missed the half-way cut "T" = tied Yellow background for top-10.
Amateur Eisenhower Trophy (representing Rhodesia): 1976 Professional Hennessy Cognac Cup: 1982 Alfred Dunhill Cup (representing Zimbabwe): 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000 World Cup (representing Zimbabwe): 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001.
1984 South African Open, Charity Classic, South African Masters 1986 Goodyear Classic 1987 International Computers Limited International, Minolta Copiers Match Play, Wild Coast Classic 1988 International Computers Limited International, Minolta Copiers Match Play, Bloemfontein Classic 1989 South African Professional Golf Association Championship 1990 Palabora Classic 1993 South African Masters, Zimbabwe Open, Philips South African Open (December) 1994 Bell"s Cup 1998 Alfred Dunhill South African Professional Golf Association Championship (co-sanctioned with European Tour) 2009 Gary Player Invitational (with Ángel Cabrera) 2008 Jersey Seniors Classic 2009 Travis Perkins plc Senior Masters.