See main article: 1989 OTB Open.
Alexander Mronz and Greg Van Emburgh were the defending champions, but did not participate this year.
Scott Davis and Broderick Dyke won the title, defeating Brian Garrow and Sven Salumaa 2–6, 6–4, 6–4 in the final.
Grant Connell / Glenn Michibata (first round)
Neil Broad / Stefan Kruger (first round)
Scott Davis / 
Broderick Dyke (champions) Steve DeVries / Richard Matuszewski (first round)