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 indeed any surface but grass. The United States would triumph in the final, which was played at Warple Road in Wimbledon, London, England on 25–28 July.
1913 International Lawn Tennis Challenge Wikipedia
Canada, Germany, and South Africa all competed for the first time. Belgium returned for the first time since 1904.