answers: outdoor grass courts
context: and serves as a warm-up for Wimbledon. Andy Roddick and Lleyton Hewitt dominated the tournament in the early 21st century, each winning four titles. Andy Murray won a record five titles between 2009 and 2016. Andy Roddick has called the courts at the Queen's Club "arguably the best in the world". Originally known as the London Athletic Club Tournament established in 1881 at Stamford Bridge, Fulham. In 1884 the tournament was given the title of the Championship of London, and it was on held outdoor grass courts. In 1890, the tournament moved to its current location, the Queen's Club and </s> "The All England Lawn Tennis Championships", "The Wimbledon Championships" or simply "Wimbledon". From 1912 to 1924, the tournament was recognized by the International Lawn Tennis Federation as the "World Grass Court Championships". Wimbledon is considered the world's premier tennis tournament and the priority of the Club is to maintain its leadership. To that end a long-term plan was unveiled in 1993, intended to improve the quality of the event for spectators, players, officials and neighbours. Stage one (1994–1997) of the plan was completed for the 1997 championships and involved building the new No. 1 Court in Aorangi Park, a broadcast </s> The Australian Open switched from grass to hard courts in 1988 and in its early years the French championship alternated between clay and sand/rubble courts. The US Open is the only major to have been played on three surfaces; it was played on grass from its inception until 1974, clay from 1975 until 1977 and hard courts since it moved from the West Side Tennis Club to the National Tennis Center in 1978. ITF uses the following classification for tennis court surface types: Clay courts are made of crushed shale, stone or brick. The French Open is the only Grand
question: what type of surface is the all-england championships at wimbledon played on