Ключевые слова: 2019, action, arena, athlete, atp, australia, australian, backhand, ball, center, championship, competition, court, djokovic, exercise, forehand, france, game, lacoste, laver, lucas pouille, match, melbourne, national, net, novak, open, overhead, player, players, practice, prize, professional, racket, rod, semifinal, serbia, serbian, serve, set, singles, slam, sport, sports, stadium, tennis, title, tournament, training, volley,