History of Open Era tennis records – Men's singles in Timeline

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Open Era tennis records – Men's singles

The Open Era in men's singles tennis began in 1968, marking the inclusion of professional players in Grand Slam tournaments alongside amateurs. Key data sources for records include the ATP, ITF, and Grand Slam tournament websites. ATP rankings, starting in 1973, are the basis for all rankings-related records. This era signifies a shift to professionalization, altering the landscape of competitive tennis.