2021 Davis Cup Asia/Oceania Zone Group IV

The Asia/Oceania Zone was the unique zone within Group 4 of the regional Davis Cup competition in 2021. The zone's competition was held in round robin format in Isa Town, Bahrain, from 18 to 23 October 2021.

Participating nations
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Inactive teams
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Draw
Date: 18–23 October 2021

Location: Bahrain Tennis Federation Courts, Isa Town, Bahrain (hard)

Format: Round-robin basis. Three pools of four teams. The top two nations in each pool will play-off to determine which three nations are promoted to Asia/Oceania Group III in 2022.

Seeding

 * 1 Davis Cup Rankings as of 20 September 2021

Pool C
''Standings are determined by: 1. number of wins; 2. number of matches; 3. in two-team ties, head-to-head records; 4. in three-team ties, (a) percentage of sets won (head-to-head records if two teams remain tied), then (b) percentage of games won (head-to-head records if two teams remain tied), then (c) Davis Cup rankings.''

Play-offs

 * ', ' and  are promoted to Asia/Oceania Group III in 2022.