Jannik Sinner is a shooting star in tennis, and the World No. 1 has already received a few nicknames and monikers from fans.

Which ATP player has the best tennis outfits? According to Twitter, it’s not the usual suspects—Roger Federer, Rafael Nadal or Novak Djokovic. It’s world No. 237 Marco Trungelliti.

Interview with American tennis star Frances Tiafoe about his new lululemon ambassadorship, fashion advice, and goals for the ...