The Tutorial
Hundreds of couples in one competion (like in the Stuttgart GrandSlam)! Double the figure and you arrive at the individual participants whose identity needs to be verified for good reasons: spelling of their names, their date of birth, their national representation, etc.
Instead of you having to fill in a form, present your passport and then some more every time you compete, you flash your card ... Check-in done. Get it as soon as possible!
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