Djokovic defaulted from US Open after hitting lineswoman, novak djokovic, usopen 2020, all scenes, stupidly hitting, inadvertently, unbelievable, lineswoman in the throat with a ball, hitting a ball dangerously, lose all ranking points earned, grand slam rulebook, woman is ok, i cant breathe, woman cant breathe, u.s. open, hitting line judgeDjokovic defaulted from US Open after hitting lineswoman, novak djokovic, usopen 2020, all scenes, stupidly hitting, inadvertently, unbelievable, lineswoman in the throat with a ball, hitting a ball dangerously, lose all ranking points earned, grand slam rulebook, woman is ok, i cant breathe, woman cant breathe, u.s. open, hitting line judgeDjokovic defaulted from US Open after hitting lineswoman, novak djokovic, usopen 2020, all scenes, stupidly hitting, inadvertently, unbelievable, lineswoman in the throat with a ball, hitting a ball dangerously, lose all ranking points earned, grand slam rulebook, woman is ok, i cant breathe, woman cant breathe, u.s. open, hitting line judge