1988 Davis Cup Asia/Oceania Zone  The Asia/Oceania Zone was one of the three zones of the regional Davis Cup competition in 1988. In the Asia/Oceania Zone there were two different tiers, called groups, in which teams competed against each other to advance to the upper tier. The winner of Group I was promoted to the following year's World Group. Teams who lost their respective first-round ties competed in the relegation play-off, with the winning team remaining in Group I, whereas the losing team was relegated to the Asia/Oceania Zone Group II in 1989. The winner in Group II advanced to the Asia/Oceania Zone Group I in 1989.