How did Canada become a tennis superpower? It's complicated

Bianca Andreescu, Denis Shapovalov and Félix Auger-Aliassime, who arrive at Roland Garros seeded and poised to make an impact, are the faces of a Canadian revolution Canada is the toast of pro tennis right now. The country's rising young stars - Denis Shapovalov, Bianca Andreescu and Félix Auger-Aliassime - can't win a match without being asked how a winter-sport nation with a sparse, spread-out population of 37m has produced three champions-in-waiting at the same time. Related: From toil to t...