Ключевые слова: active, activity, background, ball, balls, black, blue, championship, close, competition, competitive, concept, court, equipment, exercise, fitness, fun, game, grass, green, hard, health, healthy, individual, indoor, isolated, leisure, lifestyle, line, match, net, new, object, outdoor, outside, play, professional, racket, recreation, serve, set, shadow, slam, sport, stadium, summer, tennis, tournament, training, yellow,