Canadian Denis Shapovalov brings on Polansky as new coach

PARIS — The new coaching voice in Denis Shapovalov’s ear is a fellow Canadian he’s known since he was a young boy, who hails from the same hometown.

Peter Polansky is also a coaching newbie, who still considers himself an active player.

So if Shapovalov, now 23, is an outside-the-box type of tennis player, his decision to make…