Ключевые слова: 2019, athlete, backhand, ball, billie, center, ceremony, championship, competition, court, flushing, forehand, game, grand, jean, king, match, national, net, new, nike, ny, nyc, open, player, points, practice, professional, racket, serena, set, shoes, singles, slam, sport, sports, stadium, tennis, tournament, training, united states, us, us open, usa, volley, williams,