"Tennis Master Series" is an officially licensed tennis game.
In career mode you have the opportunity to play the entire Master Series, including the qualification rounds, 9 different tourneys and the Final Masters Cup - where the last 8 players compete for the First Price. In exhibition mode you can play a single or doubles game against the AI or a friend via LAN.
The official Master Series license allows for official courts and locations, but all actual players are fictional. Each player has their own stats which generates their characters in play.