Evert was still an amateur despite riding a 12 tournament winning streak into the West Side Tennis Club in Forest Hills , Queens .
Amateur had to take a two week absence from high - school to compete in the season 's final major .
Evert was still an amateur despite riding a 12 tournament winning streak into the West Side Tennis Club in Forest Hills , Queens , so she had to take a two week absence from high - school to compete in the season 's final major .