See main article: 2019 Davis Cup.
The Asia/Oceania Zone was the unique zone within Group 3 of the regional Davis Cup competition in 2019. The zone's competition was held in round robin format in Singapore, from 26 to 29 June 2019.
Date: 26–29 June
Location: Singapore Sports Hub, Singapore (indoor hard)
Format: Round-robin basis.
| Pot | Nation | Rank1 | Seed |
|---|---|---|---|
| 1 | 66 | 1 | |
| 72 | 2 | ||
| 2 | 73 | 3 | |
| 83 | 4 | ||
| 3 | 87 | 5 | |
| 92 | 6 | ||
| 4 | 96 | 7 | |
| 100 | 8 | ||
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 | |
|---|---|---|---|---|
| 1st–2nd | 2–0 | |||
| 3rd–4th | 2–1 | |||
| 5th–6th | 2–1 | |||
| 7th–8th | 2–1 |