Ключевые слова: 2012, andy, athlete, athletic, backhand, ball, billie jean king national tennis center, bryan brothers, center, competition, competitor, court, doubles, fault, flushing, forehand, grandstand, man, match, mixed, murray, muscles, net, new york, ny, point, queens, racket, recreation, serena, serve, set, singles, sneaker, sport, spring, stadium, strings, stroke, summer, tennis, tournament, us, us open, us open tennis, volley, williams, win, winner,