Follow a major tennis tournament and you will regularly hear that a player has moved into the Top 10, reached a career-high ranking or dropped several places — even though the official rankings haven’t been updated. That’s because commentators and fans increasingly follow live tennis rankings. Live rankings calculate howContinue Reading

For most of their careers, professional tennis players compete for themselves. At the Olympic Games, everything changes. Players compete under their national flag. Doubles partners must represent the same country. Rankings can get a player into the tournament, but a high enough ranking doesn’t necessarily guarantee a place. And losingContinue Reading