Ключевые слова: activity, adult, athlete, background, ball, bench, blue, building, championship, competition, court, day, double, equipment, exercise, exercising, field, fitness, game, green, health, healthy, hobby, horizontal, illustration, indoor, leisure, lifestyle, match, net, outdoor, person, play, player, playground, professional, racket, recreation, sitting, sport, summer, surface, tennis, tennis ball, tennis court, tennis racket, tournament, training, umpire,