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