Is it permissible to use the indoor racquetball courts to play tennis. No, not with another person but I would be in there with a tennis racquet and ball rallying against the wall. Please advise. I am using Lifetime Fitness Gym, there are several glass courts and I will be going AFTER HOURS, when there is no wait and no demand for a court.
I am not hitting against the glass wall, I am hitting against the solid wall, which is what the racquetball players use.

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I’m looking for a good answer for this to retort back to the high and holier than though squash players.

Question posted courtesy of: Autoresponders