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
Seeds
Draw
First round
Germany vs. France
Great Britain vs. United States
- The Isner-Ward match was the longest Davis Cup match involving a United States player since the introduction of the tiebreaker in 1989.
- Great Britain's victory over the United States was their first win over this country at home since 1935.
Czech Republic vs. Australia
- This was Australia's first World Group win since 2006.
Kazakhstan vs. Italy
Argentina vs. Brazil
- 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.
Serbia vs. Croatia
Canada vs. Japan
Belgium vs. Switzerland
- Belgium won a World Group tie for the first time since 2007.
Quarterfinals
Great Britain vs. France
- Great Britain won a quarterfinal match for the first time since 1981.
- 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.
Australia vs. Kazakhstan
- It was the first time in 76 years that Australia had come back from 2–0 down to win.
- It was the first time that all four nominated players had played in a singles live rubber tie for Australia.
- Australia made it into the semifinals for the first time since 2006.
- Despite having played Davis Cup for 17 years it was the first time that Hewitt had played in the deciding rubber.
Argentina vs. Serbia
Belgium vs. Canada
- Belgium advanced to the semifinals for the first time since 1999.
Semifinals
Great Britain vs. Australia
- Great Britain reach their first final since 1978.
Belgium vs. Argentina
- Belgium reach their first final since 1904 and equal their best Davis Cup performance.
Final
Belgium vs. Great Britain
- Great Britain win their 10th Davis Cup and their first since 1936.
- Andy Murray becomes the third player to finish with an 8–0 record in the singles after John McEnroe and Mats Wilander.
- Andy Murray becomes the fourth player to finish with an 11–0 record in the singles and doubles.
References




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