See main article: 2005 Fed Cup Asia/Oceania Zone. The play-offs of the 2005 Fed Cup Asia/Oceania Zone Group I were the final stages of the Group I Zonal Competition involving teams from Asia and Oceania. Using the positions determined in their pools, the nine teams faced off to determine their placing in the 2005 Fed Cup Asia/Oceania Zone Group I, the top two countries of each pool played for first to fourth placings, while the bottom two of each pool competed for fifth to eighth. The teams that ended up placing first overall advanced to World Group play-offs, whilst those coming in seventh were relegated down to Group II for the next year.
| Placing | Pool A | Pool B |
|---|---|---|
| 1 | ||
| 2 | ||
| 3 | ||
| 4 | ||
The first placed teams of each pool were placed against each other in a head-to-head round. The winner of the rounds advanced to the World Group II play-offs, where they would get a chance to advance to the World Group II for next year.
The second placed teams of each pool were placed against each other in a tie. The winner of the tie was allocated third place in the Group while the loser was allocated fourth.
The last and second-to-last placed teams of each pool were placed against each other in two head-to-head rounds. The losing team of the rounds were relegated to Group II for next year.
| Placing | Teams |
| Promoted | |
| Second | |
| Third | |
| Fourth | |
| Fifth | |
| Relegated | |