Ключевые слова: action, active, activity, adult, aged, background, ball, caucasian, caucasian ethnicity, competition, confident, court, day, fitness, game, happy, healthy, healthy lifestyle, holding, leisure activity, leisure games, lifestyle, man, match, old, one, outdoor, outdoors, people, person, play, player, playing, portrait, racket, recreation, retirement, senior, serve, smiling, sport, sports clothing, standing, summer, sunlight, sunny, tennis, tennis player, tennis racket, white,