1999 Davis Cup Asia/Oceania Zone  The Asia/Oceania Zone was one of the three zones of the regional Davis Cup competition in 1999. In the Asia/Oceania Zone there were four different tiers, called groups, in which teams competed against each other to advance to the upper tier. Winners in Group I advanced to the World Group Qualifying Round, along with losing teams from the World Group first round. Teams who lost their respective ties competed in the relegation play-offs, with winning teams remaining in Group I, whereas teams who lost their play-offs were relegated to the Asia/Oceania Zone Group II in 2000. Winners in Group II advanced to the Asia/Oceania Zone Group I. Teams who lost their respective ties competed in the relegation play-offs, with winning teams remaining in Group II, whereas teams who lost their play-offs were relegated to the Asia/Oceania Zone Group III in 2000. The top two teams in Group III advanced to the Asia/Oceania Zone Group II in 2000, whereas the bottom two teams were relegated to the Asia/Oceania Zone Group IV in 2000. Group A Group B 1st to 4th place play-offs 5th to 8th place play-offs  The top two teams in Group IV advanced to the Asia/Oceania Zone Group III in 2000. All other teams remained in Group IV. Group A Group B 1st to 4th place play-offs 5th to 8th place play-offs