Table:
text: Gary Muller
Doubles finals
Doubles finals
Outcome Date_ Tournament Surface Partner Opponents Score
Winner 26 July 1987 Schenectady, USA Outdoor/Hard Gary Donnelly Brad Pearce Jim Pugh 7–6, 6–2
Runner-up 20 November 1988 Johannesburg, South Africa Indoor/Hard Tim Wilkison Kevin Curren David Pate 6–7, 4–6
Winner 30 July 1989 Washington, USA Outdoor/Hard Neil Broad Jim Grabb Patrick McEnroe 6–7, 7–6, 6–4
Runner-up 12 August 1990 Cincinnati, USA Outdoor/Hard Neil Broad Darren Cahill Mark Kratzmann 6–7, 2–6
Runner-up 30 September 1990 Basel, Switzerland Indoor/Hard Neil Broad Christo van Rensburg Stefan Kruger 6–4, 6–7, 3–6
Winner 7 October 1990 Toulouse, France Indoor/Hard Neil Broad Michael Mortensen Michiel Schapers 7–6, 6–4

Question: What is the result for the tournament of Johannesburg, South Africa of Gary Muller in doubles final?