August 27, 1975: The day a very special US Open edition began, with clay and night sessions

On this day, August 27 in1975, the US Open began, implementing two major changes. For the first time, at Forest Hills, the American Grand Slam was to be played on green clay instead of the traditional grass. This change was introduced after many players had complained about the quality of the grass courts over the past years. Bill Tabert, the Tournament Director, had also announced that some…

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