Did you know that there is another kid on the squash courts?
Squash57, used to be known as racketball in the UK until it was rebranded Squash57 in August 2016 by the WSF which governs both sports.
Squash57 and Squash have very similar rules, are played on the same court using different racquets and balls.
The following videos highlight the differences.
Squash overview (courtesy of Olympic.ca)
Squash57 overview (courtesy of UKRacquetball)
So something new to try, either to introduce the sport to younger audiences, add variety to your workout or just try out something new.