The World Group was the highest level of Davis Cup competition in 2015. The first-round losers went into the Davis Cup World Group Play-offs, and the winners progressed to the quarterfinals and World Group spot for 2016.

Participating teams

Participating teams
Argentina	Australia	Belgium	Brazil
Canada	Croatia	Czech Republic	France
Germany	Great Britain	Italy	Japan
Kazakhstan	Serbia	Switzerland	United States

Seeds

Draw

	First Round 6-8 March					Quarterfinals 17-19 July					Semifinals 18-20 September					Final 27-29 November
	Frankfurt, Germany (indoor hard)[1]
	1	France	3
						London, Great Britain (grass)[2]
		Germany	2
						1	France	1
							Great Britain	3
	7	United States	2
											Glasgow, Great Britain (indoor hard)[4]
		Great Britain	3
												Great Britain	3
	Ostrava, Czech Republic (indoor hard)[5]
											Australia	2
	3	Czech Republic	2
						Darwin, Australia (grass)[6][7]
		Australia	3
							Australia	3
	Astana, Kazakhstan (indoor hard)[8]
							Kazakhstan	2
	6	Italy	2
																Ghent, Belgium (indoor clay)[9]
		Kazakhstan	3
																	Great Britain	3
	Buenos Aires, Argentina (clay)[10]
																	Belgium	1
		Brazil	2
						Buenos Aires, Argentina (indoor clay)[11]
	5	Argentina	3
						5	Argentina	4
	Kraljevo, Serbia (indoor hard)[12]
						4	Serbia	1
		Croatia	0
											Brussels, Belgium (indoor hard)[13][14]
	4	Serbia	5
											5	Argentina	2
	Vancouver, Canada (indoor hard)[15]
											Belgium	3
		Japan	2
						Middelkerke, Belgium (clay)[16]
	8	Canada	3
						8	Canada	0
	Liège, Belgium (indoor hard)[17]
							Belgium	5
		Belgium	3
	2	Switzerland	2

First round

Germany vs. France

Germany 2	Fraport Arena, Frankfurt, Germany[1] 6-8 March 2015 Hard (i)		France 3
1 2 3 4 5 1 Jan-Lennard Struff Gilles Simon 64 77 6 2 77 61 2 6 8 10   2 Philipp Kohlschreiber Gaël Monfils 4 6 5 7 64 77       3 Benjamin Becker / Andre Begemann Julien Benneteau / Nicolas Mahut 4 6 3 6 2 6       4 Philipp Kohlschreiber Gilles Simon 77 65 6 4         5 Jan-Lennard Struff Nicolas Mahut 78 66 6 3

Great Britain vs. United States

Great Britain 3	Commonwealth Arena, Glasgow, Great Britain[3] 6-8 March 2015 Hard (i)		United States 2
1 2 3 4 5 1 Andy Murray Donald Young 6 1 6 1 4 6 6 2     2 James Ward John Isner 64 77 5 7 6 3 77 63 15 13   3 Dominic Inglot / Jamie Murray Bob Bryan / Mike Bryan 3 6 2 6 6 3 710 68 7 9   4 Andy Murray John Isner 77 64 6 3 77 64       5 James Ward Donald Young 7 5 0 1       retired

• The Isner-Ward match was the longest match involving a United States player since the introduction of the tiebreaker in 1989.^[18]
• Great Britain's victory over the United States was their first win over this country at home since 1935.^[19]

Czech Republic vs. Australia

Czech Republic 2	?EZ Aréna, Ostrava, Czech Republic[5] 6-8 March 2015 Hard (i)		Australia 3
1 2 3 4 5 1 Luká? Rosol Thanasi Kokkinakis 6 4 6 2 5 7 5 7 3 6   2 Ji?í Veselý Bernard Tomic 4 6 3 6 65 77       3 Ji?í Veselý / Adam Pavlásek Sam Groth / Lleyton Hewitt 1 6 77 62 3 6 77 64 6 2   4 Luká? Rosol Bernard Tomic 64 77 3 6 65 77       5 Jan Mertl Sam Groth 6 3 6 2

• This was Australia's first World Group win since 2006.^[20]

Kazakhstan vs. Italy

Kazakhstan 3	National Tennis Center, Astana, Kazakhstan[8] 6-8 March 2015 Hard (i)		Italy 2
1 2 3 4 5 1 Mikhail Kukushkin Simone Bolelli 78 66 6 1 6 2       2 Andrey Golubev Andreas Seppi 3 6 3 6 77 65 2 6     3 Andrey Golubev / Aleksandr Nedovyesov Fabio Fognini / Simone Bolelli 64 77 3 6 715 613 4 6     4 Mikhail Kukushkin Andreas Seppi 710 68 6 0 6 4       5 Aleksandr Nedovyesov Fabio Fognini 77 65 3 6 4 6 6 3 7 5

Argentina vs. Brazil

Argentina 3	Tecnópolis, Buenos Aires, Argentina[10] 6-8 March 2015 Clay		Brazil 2
1 2 3 4 5 1 Carlos Berlocq João Souza 4 6 6 3 7 5 3 6 2 6   2 Leonardo Mayer Thomaz Bellucci 6 4 6 3 1 6 6 3     3 Carlos Berlocq / Diego Schwartzman Marcelo Melo / Bruno Soares 5 7 3 6 4 6       4 Leonardo Mayer João Souza 77 64 77 65 5 7 5 7 15 13   5 Federico Delbonis Thomaz Bellucci 6 3 3 6 6 2 7 5

• The Mayer-Souza match set the record for the longest Davis Cup singles rubber, lasting for 6 hours and 42 minutes, eclipsing the previous record by 20 minutes which was from the McEnroe-Wilander match in 1982. It is the second longest tour match in history, behind the Isner-Mahut match from Wimbledon 2010.^[21]

Serbia vs. Croatia

Serbia 5	Kraljevo Sports Hall, Kraljevo, Serbia[12] 6-8 March 2015 Hard (i)		Croatia 0
1 2 3 4 5 1 Novak Djokovic Mate Deli? 6 3 6 2 6 4       2 Viktor Troicki Borna ?ori? 4 6 1 6 6 3 6 2 6 1   3 Novak Djokovic / Nenad Zimonji? Marin Draganja / Franko ?kugor 6 3 6 4 6 1       4 Filip Krajinovi? Franko ?kugor 6 4 6 2         5 Viktor Troicki Mate Deli? 6 4 6 3

Canada vs. Japan

Canada 3	Doug Mitchell Thunderbird Sports Centre, Vancouver, Canada[15] 6-8 March 2015 Hard (i)		Japan 2
1 2 3 4 5 1 Milos Raonic Tatsuma Ito 6 2 6 1 6 2       2 Vasek Pospisil Kei Nishikori 4 6 65 77 3 6       3 Daniel Nestor / Vasek Pospisil Go Soeda / Yasutaka Uchiyama 7 5 2 6 6 3 3 6 6 3   4 Milos Raonic Kei Nishikori 6 3 3 6 4 6 6 2 4 6   5 Vasek Pospisil Go Soeda 7 5 6 3 6 4

Belgium vs. Switzerland

Belgium 3	Country Hall Ethias Liège, Liège, Belgium[17] 6-8 March 2015 Hard (i)		Switzerland 2
1 2 3 4 5 1 Ruben Bemelmans Henri Laaksonen 6 1 78 66 4 6 0 6 2 6   2 Steve Darcis Michael Lammer 6 3 6 1 6 3       3 Ruben Bemelmans / Niels Desein Adrien Bossel / Michael Lammer 1 6 6 3 6 2 6 2     4 Steve Darcis Henri Laaksonen 3 6 6 3 6 3 65 77 1 6   5 David Goffin Adrien Bossel 6 4 6 0 6 4

• Belgium won a World Group tie for the first time since 2007.^[22]

Quarterfinals

Great Britain vs. France

Great Britain 3	Queen's Club, London, Great Britain[2] 17-19 July 2015 Grass		France 1
1 2 3 4 5 1 James Ward Gilles Simon 4 6 4 6 1 6       2 Andy Murray Jo-Wilfried Tsonga 7 5 712 610 6 2       3 Andy Murray / Jamie Murray Nicolas Mahut / Jo-Wilfried Tsonga 4 6 6 3 77 65 6 1     4 Andy Murray Gilles Simon 4 6 77 65 6 3 6 0     5 James Ward Jo-Wilfried Tsonga           not played

• Great Britain won a quarterfinal match for the first time since 1981.^[23]
• It is the first time since 1998 that siblings have combined to win three points in a world group tie. The Black brothers Byron and Wayne did so for Zimbabwe against Australia.^[24]

Australia vs. Kazakhstan

Australia 3	Marrara Sports Complex, Darwin, Australia[6] 17-19 July 2015 Grass		Kazakhstan 2
1 2 3 4 5 1 Thanasi Kokkinakis Mikhail Kukushkin 4 6 3 6 3 6       2 Nick Kyrgios Aleksandr Nedovyesov 65 77 77 62 65 77 4 6     3 Sam Groth / Lleyton Hewitt Andrey Golubev / Aleksandr Nedovyesov 6 4 77 64 6 2       4 Sam Groth Mikhail Kukushkin 6 3 78 66 4 6 78 66     5 Lleyton Hewitt Aleksandr Nedovyesov 77 62 6 2 6 3

• It was the first time in 76 years that Australia had come back from 2-0 down to win.^[25]
• It was the first time that all four nominated players had played in a singles live rubber tie for Australia.^[25]
• Australia made it into the semifinals for the first time since 2006.^[25]
• Despite having played Davis Cup for 17 years it was the first time that Hewitt had played in the deciding rubber.^[25]

Argentina vs. Serbia

Argentina 4	Tecnópolis, Buenos Aires, Argentina[11] 17-19 July 2015 Clay (i)		Serbia 1
1 2 3 4 5 1 Leonardo Mayer Filip Krajinovi? 6 4 6 2 6 1       2 Federico Delbonis Viktor Troicki 2 6 2 6 6 4 6 4 6 2   3 Carlos Berlocq / Leonardo Mayer Viktor Troicki / Nenad Zimonji? 6 2 6 4 6 1       4 Diego Schwartzman Du?an Lajovi? 1 6 4 6         5 Carlos Berlocq Filip Krajinovi? 6 1 3 0         retired

Belgium vs. Canada

Belgium 5	Sportpark Krokodiel, Middelkerke, Belgium[16] 17-19 July 2015 Clay		Canada 0
1 2 3 4 5 1 Steve Darcis Frank Dancevic 3 6 6 1 7 5 6 3     2 David Goffin Filip Peliwo 6 4 6 4 6 2       3 Ruben Bemelmans / Kimmer Coppejans Daniel Nestor / Adil Shamasdin 7 5 3 6 6 4 6 3     4 Kimmer Coppejans Frank Dancevic 2 6 6 2 6 3       5 Steve Darcis Filip Peliwo 6 4 6 3

• Belgium advanced to the semifinals for the first time since 1999.^[26]

Semifinals

Great Britain vs. Australia

Great Britain 3	Commonwealth Arena, Glasgow, Great Britain[4][27] 18-20 September 2015 Hard (i)		Australia 2
1 2 3 4 5 1 Andy Murray Thanasi Kokkinakis 6 3 6 0 6 3       2 Dan Evans Bernard Tomic 3 6 62 77 77 64 4 6     3 Andy Murray / Jamie Murray Sam Groth / Lleyton Hewitt 4 6 6 3 6 4 66 78 6 4   4 Andy Murray Bernard Tomic 7 5 6 3 6 2       5 Dan Evans Thanasi Kokkinakis 5 7 4 6

• Great Britain reach their first final since 1978.

Belgium vs. Argentina

Belgium 3	Forest National, Brussels, Belgium[13] 18-20 September 2015 Hard (i)		Argentina 2
1 2 3 4 5 1 David Goffin Federico Delbonis 7 5 77 63 6 3       2 Steve Darcis Leonardo Mayer 65 77 61 77 6 4 3 6     3 Ruben Bemelmans / Steve Darcis Carlos Berlocq / Leonardo Mayer 2 6 61 77 7 5 65 77     4 David Goffin Diego Schwartzman 6 3 6 2 6 1       5 Steve Darcis Federico Delbonis 6 4 2 6 7 5 77 63

• Belgium reach their first final since 1904 and equal their best Davis Cup performance.

Final

Belgium vs. Great Britain

Belgium 1	Flanders Expo, Ghent, Belgium[9] 27-29 November 2015 Clay (i)		Great Britain 3
1 2 3 4 5 1 David Goffin Kyle Edmund 3 6 1 6 6 2 6 1 6 0   2 Ruben Bemelmans Andy Murray 3 6 2 6 5 7       3 Steve Darcis / David Goffin Andy Murray / Jamie Murray 4 6 6 4 3 6 2 6     4 David Goffin Andy Murray 3 6 5 7 3 6       5 Ruben Bemelmans Kyle Edmund           not played

• Great Britain win their 10th Davis Cup and their first since 1936.^[28]
• Andy Murray becomes the third player to finish with an 8-0 record in the singles after John McEnroe and Mats Wilander.^[28]
• Andy Murray becomes the fourth player to finish with an 11-0 record in the singles and doubles.^[28]

References