Ключевые слова: 2011, active, athlete, athletics, atp, background, ball, blue, clay, compete, competition, court, equipment, exercise, field, fun, game, grand, grass, green, health, leisure, lifestyle, line, man, match, net, news, open, outdoor, play, player, professional, racket, racquet, recreation, red, serve, set, slam, sport, summer, tennis, thailand, thailandopen, tournament, training, vertical, white, win,