See main article: 1975 Davis Cup.
The Eastern Zone was one of the three regional zones of the 1975 Davis Cup.
10 teams entered the Eastern Zone: 4 teams entered the competition in the qualifying rounds, with the winners of the 2 head-to-head ties progressing to the preliminary rounds, where they were joined by an additional 4 teams. From the 6 competing teams in the preliminary rounds, 3 head-to-head ties determined the winning teams who progressed to the main draw, joining the remaining 3 teams. Following a knockout competition, the winner of the main draw went on to compete in the Inter-Zonal Zone against the winners of the Americas Zone and Europe Zone.[1]
Australia defeated New Zealand in the final and progressed to the Inter-Zonal Zone.
Malaysia vs. South Vietnam
Philippines vs. Pakistan
South Vietnam vs. South Korea
Indonesia vs. Japan
Sri Lanka vs. Philippines
New Zealand vs. South Vietnam
Japan vs. Philippines
India vs. New Zealand
Australia vs. Japan
New Zealand vs. Australia