Ключевые слова: 2018, action, athlete, atp, ball, best, billie, center, champion, championship, competition, court, example, exercise, flushing, game, grand, hard, jean, karen, khachanov, king, loss, match, national, new york, open, player, players, points, practice, prize, professional, racket, russia, russian federation, serve, set, singles, slam, speed, sport, sports, stadium, tennis, title, tournament, training, us, winner,