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 |  Hong Kong | 68 | 1 |
 Vietnam | 71 | 2 | |
 Syria | 76 | 3 | |
| 2 |  Sri Lanka | 78 | 4 |
 Kuwait | 80 | 5 | |
 Qatar | 81 | 6 | |
| 3 |  Jordan | 90 | 7 |
 Pacific Oceania | 92 | 8 | |
 Malaysia | 97 | 9 |
| HKG | MAS | KUW | RR W–L | Set W–L | Game W–L | Standings | ||
| 1 | Hong Kong | 3–0 | 2–1 | 5–1 | 10–3 (77%) | 71–46 (61%) | 1 | |
| 9 | Malaysia | 0–3 | 3–0 | 3–3 | 7–7 (50%) | 64–73 (47%) | 2 | |
| 5 | Kuwait | 1–2 | 0–3 | 1–5 | 3–10 (23%) | 60–76 (44%) | 3 |
| VIE | POC | QAT | RR W–L | Set W–L | Game W–L | Standings | ||
| 2 | Vietnam | 2–1 | 2–1 | 4–2 | 9–6 (60%) | 78–63 (55%) | 1 | |
| 8 | Pacific Oceania | 1–2 | 2–1 | 3–3 | 8–7 (53%) | 70–67 (51%) | 2 | |
| 6 | Qatar | 1–2 | 1–2 | 2–4 | 4–8 (33%) | 41–59 (41%) | 3 |
| SYR | JOR | SRI | RR W–L | Set W–L | Game W–L | Standings | ||
| 3 | Syria | 3–0 | 3–0 | 6–0 | 12–1 (92%) | 76–43 (64%) | 1 | |
| 7 | Jordan | 0–3 | 2–1 | 2–4 | 4–9 (31%) | 52–72 (42%) | 2 | |
| 4 | Sri Lanka | 0–3 | 1–2 | 1–5 | 4–10 (29%) | 66–79 (46%) | 3 |
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 | Hong Kong | 2–0 | Jordan |
| Promotional | Vietnam | 2–0 | Malaysia |
| Promotional | Syria | 1–2 | Pacific Oceania |
 Hong Kong 3 | Jordan Tennis Federation, Amman, Jordan [1] 15 September 2021 Hard |  Malaysia 0 | |||||||||||||||||||||||||||||
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Hong Kong 2 | Jordan Tennis Federation, Amman, Jordan [2] 16 September 2021 Hard |  Kuwait 1 | |||||||||||||||||||||||||||||
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Kuwait 0 | Jordan Tennis Federation, Amman, Jordan [3] 17 September 2021 Hard | Malaysia 3 | |||||||||||||||||||||||||||||
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 Vietnam 2 | Jordan Tennis Federation, Amman, Jordan [4] 15 September 2021 Hard |  Pacific Oceania 1 | |||||||||||||||||||||||||||||
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Vietnam 2 | Jordan Tennis Federation, Amman, Jordan [5] 16 September 2021 Hard |  Qatar 1 | |||||||||||||||||||||||||||||
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Qatar 1 | Jordan Tennis Federation, Amman, Jordan [6] 17 September 2021 Hard | Pacific Oceania 2 | |||||||||||||||||||||||||||||
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 Syria 3 | Jordan Tennis Federation, Amman, Jordan [7] 15 September 2021 Hard |  Jordan 0 | |||||||||||||||||||||||||||||
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Syria 3 | Jordan Tennis Federation, Amman, Jordan [8] 16 September 2021 Hard |  Sri Lanka 0 | |||||||||||||||||||||||||||||
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Sri Lanka 1 | Jordan Tennis Federation, Amman, Jordan [9] 17 September 2021 Hard | Jordan 2 | |||||||||||||||||||||||||||||
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Hong Kong 2 | Jordan Tennis Federation, Amman, Jordan [10] 18 September 2021 Hard | Jordan 0 | |||||||||||||||||||||||||||||
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Vietnam 2 | Jordan Tennis Federation, Amman, Jordan [11] 18 September 2021 Hard | Malaysia 0 | |||||||||||||||||||||||||||||
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Syria 1 | Jordan Tennis Federation, Amman, Jordan [12] 18 September 2021 Hard | Pacific Oceania 2 | |||||||||||||||||||||||||||||
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| Placing | Teams | ||
| Promoted/First | Hong Kong | Vietnam | Pacific Oceania |
| Fourth | Jordan | Malaysia | Syria |
| Relegated/Seventh | Kuwait | Qatar | Sri Lanka |
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