See main article: 2020–21 Davis Cup.
The Asia/Oceania Zone was the unique zone within Group 3 of the regional Davis Cup competition in 2021. The zone's competition was held in round robin format in Amman, Jordan, from 15 to 18 September 2021.
Date: 15–18 September 2021
Location: Jordan Tennis Federation, Amman, Jordan (hard)
Format: Round-robin basis. Three pools of three teams will contest the round-robin stage of the event. The top two teams in each pool will play-off, with the three winners earning promotion. The bottom team in each pool will be relegated to Asia/Oceania Group IV.
| Pot | Nation | Rank1 | Seed |
|---|---|---|---|
| 1 | 68 | 1 | |
| 71 | 2 | ||
| 76 | 3 | ||
| 2 | 78 | 4 | |
| 80 | 5 | ||
| 81 | 6 | ||
| 3 | 90 | 7 | |
| 92 | 8 | ||
| 97 | 9 |
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.
| Placing | Team 1 | Score | Team 2 | |
|---|---|---|---|---|
| Promotional | 2–0 | |||
| Promotional | 2–0 | |||
| Promotional | 1–2 |
| Placing | Teams | |||
| Promoted/First | ||||
| Fourth | ||||
| Relegated/Seventh |