Tennis

Which of these was once ranked #1 in ATP Rankings in tennis?

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Who won the men's singles title at Wimbledon in 1999?
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What is the line called where a player serves from in tennis?
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Which American tennis player popularized metal rackets by first using a Wilson T-2000?
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Who was the runner-up in tennis' 2000 Wimbledon Singles Championship?
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Which doubles tennis players managed to retain their title at the 2014 Australian Open?
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2016 Wimbledon men's doubles champion Nicolas Mahut is from what country?
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Which tennis player won a third Fed Cup title with the Czech Republic team in 2014?
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Which tennis term is defined as "a match between two players"?
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