TURIN, Italy — There is a massive world map in the atrium of the five-star hotel in Turin where the leading players stayed during the ATP Finals that ended Sunday.
It was not the ideal metaphor. Though men’s tennis is undoubtedly global, with tournaments on six continents (no Antarctica for now), it is not at the moment an international sport at the top.
As the 2021 tour season ends, the top 10 in singles is exclusively European: from 34-year-old Novak Djokovic of Serbia at No. 1 to 20-year-old Jannik Sinner of Italy at No. 10.