Ключевые слова: 2013, action, athlete, atp, backhand, ball, best, billie, center, ceremony, championship, court, draw, example, fitness, flushing, forehand, grand, hard, jean, king, match, national, net, open, overhead, players, points, practice, prize, professional, racket, serena, serve, set, singles, slam, speed, sports, stadium, strings, tennis, title, tournament, training, us, venus, volley, williams, wta,