Tennis: The Jaws

The suspicion is that Harry Hopman, coach of Australia's Davis Cup team, picks his players as much for the hang of their jaws as the strength of their forearms and wrists. At least it looked that way last week, when Hopman and his prognathous protégés posed proudly with a sterling-silver heirloom. And why not stick out their chins? The Aussies have been inviting the world to come fight for the Davis Cup every year. But hardly anyone makes much of a scrap of it.

Australia's Challenge Round opponent this time was India, and...