Top-seeded Stefan Edberg, the defending champion, needed just 57 minutes to oust South African Eddie Edwards 6-2, 6-2 in opening round play of the Association of Tennis Professionals championship.

Only three seeds were in action on the opening day and, like Edberg, all advanced: No. 4 Pat Cash of Australia beat Alexander Volkov of the Soviet Union 6-4, 2-6, 7-6 (7-4) and No. 9 Andres Gomez of Ecuador beat Greg Holmes 7-6 (8-6), 6-4.