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The Europe/Africa Zone was one of the three regional zones of the 2018 Davis Cup.

In the Europe/Africa Zone there were three different tiers, called groups, in which teams competed against each other to advance to the upper tier. Winners in Group I advanced to the World Group play-offs, along with losing teams from the World Group first round. Teams who lost their respective ties competed in the relegation play-offs, with winning teams remaining in Group I, whereas teams who lost their play-offs were relegated to the Europe/Africa Zone Group II in 2019.

	Second Round Play-offs					First Round Play-offs					First Round					Second Round
											1	Czech Republic
																Ostrava, Czech Republic (indoor clay)[8]
												bye
						bye										1	Czech Republic	3
											Centurion, South Africa (hard)[5]
						South Africa											Israel	1
											South Africa		2
	Lisbon, Portugal (clay)[1]
											Israel		3
		South Africa	0
	4	Portugal	4
											4	Portugal
						Bucha, Ukraine (hard)[3]										Stockholm, Sweden (indoor hard)[9]
												bye
						4	Portugal	1								4	Portugal	2
											Dnipro, Ukraine (indoor hard)[6]
							Ukraine	3									Sweden	3
											Ukraine		2
											Sweden		3
											Bosnia and Herzegovina
																Bratislava, Slovakia (indoor clay)[10]
											bye
							bye										Bosnia and Herzegovina	3
						3	Slovakia									3	Slovakia	2
												bye
	Bratislava, Slovakia (indoor clay)[2]
											3	Slovakia
	3	Slovakia	3
											Sankt Pölten, Austria (indoor clay)[7]
		Belarus	1
											Austria		5
						Moscow, Russia (indoor hard)[4]										Moscow, Russia (indoor hard)[11]
											Belarus		0
							Belarus	2									Austria	3
						2	Russia	3								2	Russia	1
												bye
											2	Russia

•  South Africa and  Belarus relegated to Group II in 2019.
•  Czech Republic,  Sweden,  Bosnia and Herzegovina, and  Austria advance to World Group Play-off.

South Africa 2	Irene Country Club, Centurion, South Africa, South Africa[5] 2–3 February Hard (i)		Israel 3
1 2 3 1 Lloyd Harris Edan Leshem 7 5 6 4     2 Nicolaas Scholtz Dudi Sela 1 6 7 6 5 7   3 Raven Klaasen / Ruan Roelofse Jonathan Erlich / Dudi Sela 5 7 6 4 6 4   4 Lloyd Harris Dudi Sela 6 7 1 6     5 Nicolaas Scholtz Edan Leshem 3 6 5 7

Ukraine 2	Megaron Tennis Club, Dnipro, Ukraine[6] 2–3 February Hard (i)		Sweden 3
1 2 3 1 Sergiy Stakhovsky Mikael Ymer 66 78 2 6     2 Artem Smirnov Elias Ymer 2 6 3 6     3 Denys Molchanov / Sergiy Stakhovsky Markus Eriksson / Andreas Siljeström 77 64 4 6 6 2   4 Sergiy Stakhovsky Elias Ymer 6 4 6 4     5 Artem Smirnov Mikael Ymer 4 6 2 6

Austria 5	VAZ St. Pölten, Sankt Pölten, Austria[7] 2–3 February Clay (i)		Belarus 0
1 2 3 1 Gerald Melzer Ilya Ivashka 2 6 7 5 6 4   2 Dominic Thiem Dzmitry Zhyrmont 6 3 6 3     3 Oliver Marach / Philipp Oswald Ilya Ivashka / Andrei Vasilevski 6 3 77 65     4 Dominic Thiem Ilya Ivashka 6 4 77 65     5 Dennis Novak Yaraslav Shyla 77 61 6 0

Czech Republic 3	RT Torax Arena, Ostrava, Czech Republic[8] 6–7 April Clay (i)		Israel 1
1 2 3 1 Jiří Veselý Edan Leshem 6 0 6 1     2 Adam Pavlásek Dudi Sela 3 6 6 3 6 1   3 Adam Pavlásek / Jiří Veselý Jonathan Erlich / Yshai Oliel 6 2 3 6 6 3   4 Václav Šafránek Yshai Oliel 5 7 3 6     5 Adam Pavlásek Edan Leshem       not played

Sweden 3	Kungliga tennishallen, Stockholm, Sweden[9] 6–7 April Hard (i)		Portugal 2
1 2 3 1 Mikael Ymer João Sousa 4 6 4 6     2 Elias Ymer Gastão Elias 713 611 6 4     3 Markus Eriksson / Robert Lindstedt Gastão Elias / João Sousa 78 66 6 2     4 Elias Ymer João Sousa 4 6 4 6     5 Mikael Ymer Gastão Elias 6 3 6 4

Slovakia 2	Aegon Arena, Bratislava, Slovakia[10] 6–7 April Clay (i)		Bosnia and Herzegovina 3
1 2 3 1 Norbert Gombos Damir Džumhur 4 6 1 6     2 Martin Kližan Mirza Bašić 77 65 6 1     3 Andrej Martin / Igor Zelenay Mirza Bašić / Tomislav Brkić 2 6 4 6     4 Martin Kližan Damir Džumhur 6 3 77 63     5 Jozef Kovalík Mirza Bašić 60 77 6 2 3 6

Russia 1	Luzhniki Small Sports Arena, Moscow, Russia[11] 6–7 April Hard (i)		Austria 3
1 2 3 1 Andrey Rublev Dennis Novak 65 77 4 6     2 Daniil Medvedev Sebastian Ofner 6 1 6 2     3 Karen Khachanov / Andrey Rublev Jürgen Melzer / Philipp Oswald 3 6 63 77     4 Evgeny Donskoy Jürgen Melzer 3 6 6 3 3 6   5 Daniil Medvedev Dennis Novak       not played

Ukraine 3	Campa Tennis Club, Bucha, Ukraine[3] 14–15 September Hard		Portugal 1
1 2 3 1 Illya Marchenko João Sousa 6 4 2 6 3 6   2 Sergiy Stakhovsky Pedro Sousa 6 3 6 2     3 Denys Molchanov / Sergiy Stakhovsky Gastão Elias / João Sousa 6 4 3 6 77 65   4 Sergiy Stakhovsky João Sousa 6 2 4 6 6 4   5 Illya Marchenko Pedro Sousa       not played

Russia 3	Luzhniki Small Sports Arena, Moscow, Russia[4] 14–15 September Hard (i)		Belarus 2
1 2 3 1 Karen Khachanov Egor Gerasimov 77 64 6 3     2 Daniil Medvedev Ilya Ivashka 62 77 4 6     3 Karen Khachanov / Andrey Rublev Max Mirnyi / Andrei Vasilevski 5 7 3 6     4 Karen Khachanov Ilya Ivashka 6 2 6 4     5 Daniil Medvedev Egor Gerasimov 77 64 3 6 6 3

Portugal 4	Club Internacional de Foot-ball, Lisbon, Portugal[1] 19–20 October 2018 Clay		South Africa 0
1 2 3 1 Pedro Sousa Lloyd Harris 6 1 6 1     2 João Sousa Nicolaas Scholtz 6 3 6 2     3 Gastão Elias / João Sousa Raven Klaasen / Ruan Roelofse 6 4 64 77 6 2   4 João Domingues Philip Henning 6 4 6 0     5 Pedro Sousa Nicolaas Scholtz       not played

Slovakia 3	Aegon Arena, Bratislava, Slovakia[2] 26–27 October 2018 Clay (i)		Belarus 1
1 2 3 1 Martin Kližan Alexander Zgirovsky 6 1 6 4     2 Norbert Gombos Egor Gerasimov 6 3 4 6 4 6   3 Martin Kližan / Filip Polášek Max Mirnyi / Andrei Vasilevski 65 77 6 4 6 3   4 Martin Kližan Egor Gerasimov 6 4 6 3     5 Norbert Gombos Alexander Zgirovsky       not played

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