The 1912 International Lawn Tennis Challenge was the 11th edition of what is now known as the Davis Cup. After a six-year hiatus, France rejoined the competition; however, the United States pulled out of the competition. In the final, the British Isles regained the Cup from Australasia. The final was played at the Albert Ground in Melbourne, Australia on 28–30 November.
The 1913 International Lawn Tennis Challenge was the 12th edition of what is now known as the Davis Cup. With Great Britain's win in 1912, the competition returned to Europe for the first time in five years. This prompted several new teams to join the competition, creating the largest field to date. The first round tie between Germany and France, played at Wiesbaden, Germany was the first Davis Cup tie to be played on clay courts, or any surface other than grass. The United States would triumph in the final, which was played at Worple Road in Wimbledon, London, England on 25–28 July.
The 1914 International Lawn Tennis Challenge was the 13th edition of what is now known as the Davis Cup. The bulk of the competition returned to the United States for the first time since 1903. The United States fell to Australasia in the final, which was played at the West Side Tennis Club in New York on 13–15 August.
The 1919 International Lawn Tennis Challenge was the 14th edition of what is now known as the Davis Cup. Following four years of non-competition due to World War I, the competition resumed with four teams challenging Australasia for the cup. Australasia defeated Great Britain to retain the title. The final was played at the Double Bay Grounds in Sydney, Australia on 16–21 January 1920.
The 1921 International Lawn Tennis Challenge was the 16th edition of what is now known as the Davis Cup. In the playoff finals, newcomers Japan surprised Australasia 4–1, but would fall to defending champions the United States in the Challenge Round. The final was played 2–5 September at the West Side Tennis Club in New York City.
The 1922 International Lawn Tennis Challenge was the 17th edition of what is now known as the Davis Cup. The tournament saw first-time entries from Italy and Romania. Australasia would storm through the preliminary round, but would fall to defending champions the United States in the challenge round. The final was played at the West Side Tennis Club in New York City, United States on 1–5 September.
The 1923 International Lawn Tennis Challenge was the 18th edition of what is now known as the Davis Cup. For the first time, the competition was split into two zones: the America Zone and the Europe Zone. This change was necessitated by having more than 16 teams compete for the cup. The past several years had also seen a rise in the number of defaults, as teams from around the globe tried to work out the logistics of playing such an international tournament. Regional zones would help alleviate these problems.
The 1924 International Lawn Tennis Challenge was the 19th edition of what is now known as the Davis Cup. The tournament was, for the second straight year, divided into the America and Europe Zones. 17 teams competed in the Europe Zone, and 6 in America. China, Cuba, Hungary, Mexico, and New Zealand all competed for the first time, and South Africa and Austria returned to create the largest field to date.
The 1925 International Lawn Tennis Challenge was the 20th edition of what is now known as the Davis Cup. Sixteen teams would enter the Europe Zone, while 9 would enter the America Zone. Portugal, Poland and Sweden competed for the first time.
The 1926 International Lawn Tennis Challenge was the 21st edition of what is now known as the Davis Cup. 19 teams would enter the Europe Zone, while 5 would enter the America Zone.
The 1927 International Lawn Tennis Challenge was the 22nd edition of what is now known as the Davis Cup. 21 teams entered the Europe Zone, while 4 entered the America Zone. Yugoslavia and Greece competed for the first time, while Germany returned to the competition for the first time since 1914.
The 1929 International Lawn Tennis Challenge was the 24th edition of what is now known as the Davis Cup. 24 teams would enter the Europe Zone, while five would enter the America Zone. Egypt and Monaco participated for the first time.
The 1931 International Lawn Tennis Challenge was the 26th edition of what is now known as the Davis Cup.
The 1932 International Lawn Tennis Challenge was the 27th edition of what is now known as the Davis Cup. 22 teams would enter the Europe Zone; while 8 would enter the Americas Zone, 5 in North America and 3 in South America.
The 1933 International Lawn Tennis Challenge was the 28th edition of what is now known as the Davis Cup. 24 teams would enter the Europe Zone; while 9 would enter the Americas Zone, 4 in North America and 5 in South America.
The 1934 International Lawn Tennis Challenge was the 29th edition of what is now known as the Davis Cup. 10 teams would enter the Europe Zone, while only 5 would enter the Americas Zone, 3 in North America and 2 in South America. Due to the large number of entries in Europe, a "Qualifying Round" system was introduced in order to better manage the number of teams competing. European teams which lost before the 1933 Europe Zone semifinals would play-off against each other for four spots in the 1934 Europe Zone main draw.
The 1935 International Lawn Tennis Challenge was the 30th edition of what is now known as the Davis Cup. Due to increased political tensions in Europe, entries for the Europe Zone declined sharply, causing the qualifying round system to be scrapped. Only 11 teams would enter the Europe Zone, with 17 teams entering the qualifying rounds; while six would enter the Americas Zone, 4 in North America and 2 in South America. Estonia entered the tournament for the first time.
The 1936 International Lawn Tennis Challenge was the 31st edition of what is now known as the Davis Cup. Due to the low number of competing South American teams, the North & Central America and South America Zones were scrapped and the Americas played in one unified zone. From this edition, the Qualifying Round system of the Europe Zone was scrapped. 19 teams entered the Europe Zone, while 4 teams entered the Americas Zone.
The 1937 International Lawn Tennis Challenge was the 32nd edition of what is now known as the Davis Cup. 20 teams entered the Europe Zone, while 4 teams entered the Americas Zone.
The Europe Zone was one of the two regional zones of the 1933 International Lawn Tennis Challenge.
United States 
