- Source: 1986 Davis Cup Eastern Zone
The Eastern Zone was one of the three regional zones of the 1986 Davis Cup.
13 teams entered the Eastern Zone in total, with the winner promoted to the following year's World Group. South Korea defeated Japan in the final and qualified for the 1987 World Group.
Participating nations
= Draw
=First round
= Singapore vs. Chinese Taipei
== Malaysia vs. Hong Kong
== Thailand vs. Bangladesh
== Indonesia vs. Philippines
== Pakistan vs. Sri Lanka
=Quarterfinals
= Japan vs. Chinese Taipei
== Hong Kong vs. China
== Thailand vs. Indonesia
== South Korea vs. Pakistan
=Semifinals
= Japan vs. China
== South Korea vs. Thailand
=Final
= South Korea vs. Japan
=References
External links
Davis Cup official website