Ключевые слова: 2019, athlete, backhand, ball, billie, center, ceremony, championship, competition, court, example, flushing, forehand, game, grand, hard, jean, king, maria sharapova, match, mouratoglou, national, new, nike, ny, nyc, open, patrick mouratoglou, player, players, points, practice, professional, racket, serena, set, singles, slam, sport, sports, stadium, tennis, tournament, training, us, us open, volley, williams, york,