Career
Guy appeared in the singles draw of three Australian Opens and never progressed past the second round. At the 1991 Australian Open, Guy partnered Swedish great Stefan Edberg. His only Association of Tennis Professionals Tour title came in the doubles at the 1989 Heineken Open in Auckland.
As a singles player he made quarter-finals at the 1988 Frankfurt Open, 1990 OTB International Open and the 1990 Benson & Hedges Open.
At the Benson & Hedges Open, which he entered as a wildcard, he upset second seed and world number 25 Miloslav Mečíř. He also played tennis for the New Zealand team, taking part in seven ties.
He had a 3/4 record in singles and 2/1 record in doubles. Singles: (2) Doubles: (7).