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I've only played on a couple courts in the N Austin area. I have an access code to the ones near me just off 35 at the Pfl'ville/Wells Branch exit, however, with only 2 courts, there seems to usually be a wait to play. There's also a couple courts tucked away in the Riata area just off N 183. Wait times there all depend. Last time I had to wait about twenty minutes to play.
So, if you know of better courts with a smaller chance of having to wait more than, say, ten minutes, I'd be willing to follow your lead with that.