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The2018 Davis Cup World Group play-offs were held from 14 to 16 September. They were the main play-offs of the2018 Davis Cup. The winners of the playoffs advance as seeded to the2019 Davis Cup qualifying round.

Bold indicates team had qualified as seeded to the2019 Davis Cup qualifying round.

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 the2019 qualifying round. The draw took place on April 10 inLondon.

Home team	Score	Visiting team	Location	Venue	Door	Surface
Argentina	4–0	Colombia	San Juan	Estadio Aldo Cantoni	Indoor	Clay
Great Britain	3–1	Uzbekistan	Glasgow	Commonwealth Arena	Indoor	Hard
Austria	3–1	Australia	Graz	Messe Congress Graz	Outdoor	Clay
Switzerland	2–3	Sweden	Biel/Bienne	Swiss Tennis Arena	Indoor	Hard
Serbia	4–0	India	Kraljevo	Kraljevo Sports Hall	Indoor	Clay
Canada	3–1	Netherlands	Toronto	Coca-Cola Coliseum	Indoor	Hard
Hungary	2–3	Czech Republic	Budapest	Kopaszi Dam	Outdoor	Clay
Japan	4–0	Bosnia and Herzegovina	Osaka	Utsubo Tennis Center	Outdoor	Hard

Argentina 4	Estadio Aldo Cantoni,San Juan,Argentina[1] 14–16 September Clay (i)		Colombia 0
1 2 3 4 5 1 Diego Schwartzman Santiago Giraldo 6 3 6 1 63 77 6 1     2 Guido Pella Daniel Elahi Galán 3 6 6 4 4 6 6 3 6 2   3 Máximo González / Horacio Zeballos Alejandro Gómez / Cristian Rodríguez 6 4 77 63 64 77 4 6 6 4   4 Horacio Zeballos Nicolás Mejía 7 5 6 2         5 Guido Pella Santiago Giraldo           not played

Great Britain 3	Commonwealth Arena,Glasgow,United Kingdom[2] 14–16 September Hard (i)		Uzbekistan 1
1 2 3 4 5 1 Dan Evans Denis Istomin 77 64 4 6 0 6 6 4 7 5   2 Cameron Norrie Jurabek Karimov 6 0 7 5 66 78 2 6 2 6   3 Dominic Inglot / Jamie Murray Sanjar Fayziev / Denis Istomin 4 6 710 68 6 2 6 3     4 Cameron Norrie Sanjar Fayziev 6 2 6 2 6 0       5 Dan Evans Jurabek Karimov           not played

Austria 3	Messe Congress Graz,Graz,Austria[3] 14–16 September Clay		Australia 1
1 2 3 4 5 1 Dominic Thiem Jordan Thompson 6 1 6 3 6 0       2 Dennis Novak Alex de Minaur 3 6 6 2 6 3 6 2     3 Oliver Marach / Jürgen Melzer Lleyton Hewitt / John Peers 1 6 4 6 6 3 5 7     4 Dominic Thiem Alex de Minaur 6 4 6 2 3 6 6 4     5 Dennis Novak Jordan Thompson           not played

Switzerland 2	Swiss Tennis Arena,Biel/Bienne,Switzerland[4] 14–16 September Hard (i)		Sweden 3
1 2 3 4 5 1 Marc-Andrea Hüsler Markus Eriksson 6 3 6 4 4 6 610 712 4 6   2 Henri Laaksonen Jonathan Mridha 77 65 6 2 6 3       3 Antoine Bellier / Luca Margaroli Markus Eriksson / Robert Lindstedt 2 6 2 6 4 6       4 Henri Laaksonen Markus Eriksson 6 2 6 2 65 77 6 1     5 Sandro Ehrat Jonathan Mridha 6 4 3 6 4 6 64 77

Serbia 4	Kraljevo Sports Hall,Kraljevo,Serbia[5] 14–16 September Clay (i)		India 0
1 2 3 4 5 1 Laslo Đere Ramkumar Ramanathan 3 6 6 4 77 62 6 2     2 Dušan Lajović Prajnesh Gunneswaran 6 4 6 3 6 4       3 Nikola Milojević / Danilo Petrović Rohan Bopanna / Saketh Myneni 77 65 6 2 77 64       4 Peđa Krstin Sriram Balaji 6 3 6 1         5 Laslo Đere Prajnesh Gunneswaran           not played

Canada 3	Coca-Cola Coliseum,Toronto,Canada[6] 14–16 September Hard (i)		Netherlands 1
1 2 3 4 5 1 Milos Raonic Thiemo de Bakker 6 3 6 2 6 2       2 Denis Shapovalov Robin Haase 3 6 3 6 7 5 6 3 6 4   3 Daniel Nestor / Vasek Pospisil Matwé Middelkoop / Jean-Julien Rojer 6 4 3 6 4 6 4 6     4 Milos Raonic Scott Griekspoor 77 64 6 3 6 4       5 Denis Shapovalov Thiemo de Bakker           not played

Hungary 2	Lurdy Ház,Budapest,Hungary[7] 14–16 September Clay		Czech Republic 3
1 2 3 4 5 1 Zsombor Piros Jiří Veselý 3 6 6 4 4 6 77 63 7 5   2 Máté Valkusz Lukáš Rosol 1 6 2 6 4 6       3 Gábor Borsos / Péter Nagy Roman Jebavý / Lukáš Rosol 3 6 4 6 6 1 6 2 6 4   4 Máté Valkusz Jiří Veselý 77 64 3 6 2 6 4 6     5 Zsombor Piros Lukáš Rosol 4 6 66 78 3 6

Japan 4	Utsubo Tennis Center,Osaka,Japan[8] 14–16 September Hard		Bosnia and Herzegovina 0
1 2 3 4 5 1 Taro Daniel Tomislav Brkić 6 4 6 2 77 63       2 Yoshihito Nishioka Mirza Bašić 6 4 6 3 6 3       3 Ben McLachlan / Yasutaka Uchiyama Tomislav Brkić / Nerman Fatić 6 2 6 4 6 4       4 Yosuke Watanuki Darko Bojanović 6 1 6 3         5 Yoshihito Nishioka Tomislav Brkić           not played

^[1] Davis Cup Tennis 2018: Final Scores and Results from Round 1 Bracket

• 2018 Davis Cup

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