2017 Davis Cup World Group Play-offs
The 2017 Davis Cup World Group Play-offs were held from 15 to 17 September. They were the main play-offs of the 2017 Davis Cup. The winners of the playoffs advanced to the 2018 Davis Cup World Group, and the losers were relegated to their respective Zonal Regions I.
Teams
Bold indicates team had qualified for the 2018 Davis Cup World Group.;From World Group
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Results summary
The eight losing teams in the World Group first round ties and eight winners of the Zonal Group I final round ties competed in the World Group Play-offs for spots in the 2018 World Group. The draw took place on April 11 in London.
Seeded teams
| Home team | Score | Visiting team | Location | Venue | Door | Surface |
| ' | 3–2 | Astana | National Tennis Center | Indoor | Hard | |
| 1–4 | ' | Bogotá | Plaza de Toros la Santamaría | Outdoor | Clay | |
| ' | 3–2 | Biel/Bienne | Swiss Tennis Arena | Indoor | Hard | |
| ' | 3–2 | The Hague | Sportcampus Zuiderpark | Indoor | Clay | |
| 2–3 | ' | Oeiras | Clube de Ténis do Jamor | Outdoor | Clay | |
| ' | 3–1 | Osaka | Utsubo Tennis Center | Outdoor | Hard | |
| ' | 3–1 | Budapest | Margaret Island Athletic Centre | Outdoor | Clay | |
| ' | 3–2 | Edmonton | Northlands Coliseum | Indoor | Hard |
- ,,, and will remain in the World Group in 2018.
- , and are promoted to the World Group in 2018.
- ,,, and will remain in Zonal Group I in 2018.
- , and are relegated to Zonal Group I in 2018.
Playoff results