See main article: 2017 Davis Cup.
The Asia/Oceania Zone was the unique zone within Group 4 of the regional Davis Cup competition in 2017. The zone's competition was held in round robin format in Isa Town, Bahrain, from 3 April to 8 April 2017. The two winning nations won promotion to Group III, Asia/Oceania Zone, for 2018.
Date: 3–8 April
Location: Bahrain Polytechnic, Isa Town, Bahrain (hard)
Format: Round-robin basis. Two pools of five and six teams, respectively (Pools A and B). The winner of each pool plays off against the runner-up of the other pool to determine which two nations are promoted to Asia/Oceania Zone Group III in 2018.
Seeding: The seeding was based on the Davis Cup Rankings of 20 February 2017 (shown in parentheses below).
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.
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 | A Team | Score | B Team |
|---|---|---|---|
| Promotional | 2–0 | ||
| Promotional | 2–1 | ||
| 5th–6th | 2–1 | ||
| 7th–8th | 1–2 | ||
| 9th–10th | 2–1 | ||
| 11th | colspan=2 |
and promoted to Group III in 2018.