One of the great things about tennis is that there's always the possibility of an upset.
Crowds love it when an underdog plays the match of their lives and topples a more highly rated player.
Having been to several Wimbledon tournaments as well as a French Open, I have experienced that thrill as a spectator. But were those upsets I witnessed for real, or was it all a fix? Had we all been duped?
News broke yesterday that secret files allegedly containing evidence of widespread match fixing at the top levels of world tennis have been revealed.
Dozens of top players are suspected to have been involved in match fixing, with some suspected to have deliberately lost matches.