Ключевые слова: american, athlete, background, banner, body, challenge, club, competition, concentration, copy space, court, exercise, fitness, focus, game, green, hard, healthy, indoor, indoors, instructor, lifestyle, man, match, men, outdoor, panorama, panoramic, people, person, play, player, players, playing, position, posture, practice, professional, racket, racquet, ready, serve, sport, sports, sportswear, stance, tennis, training, usa, waiting,