Wimbledon, England (AP) -- Imagine this happening in your line of work: Posted online and regularly updated for the entire world to see is an objective, black-and-white assessment of how you’ve been faring over the past 52 weeks, how you compare to your colleagues and competitors and how your current status compares to that of a day, a week, a month, a year ago.
Essentially, that's what the rankings are for a professional tennis player. Match victories are rewarded with points, which generally remain on a player’s record for 12 months, then drop off. They are, in many ways, the sport’s currency.
