“I want to win as many Grand Slams,” he said afterward, and who can blame him? (He means majors; strictly speaking, the grand slam refers to winning all four majors in the same calendar year.) These are the biggest stages on the tour. Joel Drucker, a learned and keen observer of the game for many years, reminds his readers that the importance of the majors is a relatively modern phenomenon, linked to the flattening of the sport. With the evolution of equipment and a year-long schedule, tennis has gone from individual to team sport.