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.
From now on a top player having a bad day - making more unforced errors than usual, serving a double fault on a crucial point, missing an easy smash - may find themselves under a bit more scrutiny than usual.
Having been to several Wimbledon tournaments as well as a French Open, I have experiencedthat thrill as a spectator. But were those upsets I witnessed for real, or was it all a fix?
Had we all been duped?
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Cricket has been rocked over the years by match fixing scandals, with New Zealanders among those caught up.
Watching cricket has never been quite the same.
Now it's tennis' turn.
The allegations have cast a shadow over the Melbourne tournament for the spectators but also for the players.
From now on a top player having a bad day - making more unforced errors than usual, serving a double fault on a crucial point, missing an easy smash - may find themselves under a bit more scrutiny than usual.
As sports fans, we will be hoping these are genuine mistakes. But, thanks to recent revelations, from now on there may always be a wee smidgen of doubt.