Ключевые слова: activity, background, ball, blue, coach, coating, competition, concept, copy space, court, equipment, exercise, fitness, game, granules, green, hard court, healthy, in court, individual sports, indoor, leisure, lifestyle, line, match, modern, net, netting, new, nobody, outdoor, play, player, practic, professional, racket, recreation, relax, serve, set, sport, stadium, struck, surface, synthetic, tennis, tennis ball, traditional sport, trainer, yellow,