Ключевые слова: 2015, action, athlete, backhand, balance, ball, best, billie, center, championship, cibulkova, court, dominika, flushing, forehand, game, grand, hard, jean, king, match, national, net, new, nike, ny, nyc, open, practice, prize, professional, racket, serve, set, singles, slam, slovak, slovakia, speed, sports, stadium, tennis, title, tournament, us, us open, volley, wilson, wta, york,