The 2018 Davis Cup World Group play-offs were held from 14 to 16 September. They were the main play-offs of the 2018 Davis Cup. The winners of the playoffs advance as seeded to the 2019 Davis Cup qualifying round. __FORCETOC__

Teams Bold indicates team had qualified as seeded to the 2019 Davis Cup qualifying round.

From World Group

From Americas Group I

From Asia/Oceania Group I

From Europe/Africa Group I

Results summary Date: 14–16 September

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 2019 qualifying round. The draw took place on April 10 in London.

Seeded teams

Unseeded teams

Home team Score Visiting team Location Venue Door Surface 4–0 San Juan Estadio Aldo Cantoni Indoor Clay 3–1 Glasgow Commonwealth Arena Indoor Hard 3–1 Graz Messe Congress Graz Outdoor Clay 2–3 Biel/Bienne Swiss Tennis Arena Indoor Hard 4–0 Kraljevo Kraljevo Sports Hall Indoor Clay 3–1 Toronto Coca-Cola Coliseum Indoor Hard 2–3 Budapest Kopaszi Dam Outdoor Clay 4–0 Osaka Utsubo Tennis Center Outdoor Hard

Play-off results Argentina vs. Colombia

Great Britain vs. Uzbekistan

Austria vs. Australia

Switzerland vs. Sweden

Serbia vs. India

Canada vs. Netherlands

Hungary vs. Czech Republic

Japan vs. Bosnia and Herzegovina

References Davis Cup Tennis 2018: Final Scores and Results from Round 1 Bracket