Analysis of information sources in references of the Wikipedia article "All-time tennis records – Men's singles" in English language version.
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ignored (help)World Pro tennis tour was a major.
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ignored (help)Another significant turning point came in 1968 when the French Internationals became the first Grand Slam tournament to join the "Open" era.
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'Yes, "open" tennis has come at last and Bournemouth has been entrusted with the task of a world shaking launching,' said the programme notes for the 1968 Hard Court Championships of Great Britain, which brought an end to the sport's segregation of amateur and professional players.
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Another significant turning point came in 1968 when the French Internationals became the first Grand Slam tournament to join the "Open" era.
Number 30