See main article: 1998 Heineken Open.
Ellis Ferreira and Patrick Galbraith were the defending champions, but Ferreira did not participate this year. Galbraith partnered Brett Steven, successfully defending his title.
Galbraith and Steven won the title, defeating Tom Nijssen and Jeff Tarango 6–4, 6–2 in the final.
Luis Lobo / 
Javier Sánchez (first round)
Patrick Galbraith / 
Brett Steven (champions) Lucas Arnold / Daniel Orsanic (first round)
Aleksandar Kitinov (first round)