Ключевые слова: active, activity, advertisement, app, background, ball, bet, betting, black, business, caucasian, caucasian ethnicity, cellphone, competition, concept, court, digital, equipment, exercise, gadget, game, green, home, internet, male, man, match, mobile, online, person, phone, play, player, poster, professional, racket, score, screen, smartphone, sport, sportswear, technology, tennis, tennis ball, tennis racket, training, white, win, young,