The world of international tennis is filled with so many different personalities, stories, backgrounds, characters, cultures and styles.
It's why we love the game and its players.
All of these gentlemen are on top of a load of young guns trying to make it and old veterans trying to remain in the picture.
It truly is a wonderful world to get to know and follow.
2012 had its fair share of great stories, fantastic runs and surprise performances. Some you could predict, others you couldn't.
The 2013 season is set to kick off in just about a month.
Who will be the surprise of the year? Who will have their name become a household one?
Who knows, really, but here are a few players to keep an eye on in 2013.