three important issues

Good evening, I would like to limit the participation / registration to a single tournament. I do not want a player or team to register in different tournaments. It’s possible ?

If a player registered in a KNOCKOUT tournament leaves the website or is banned by the administrator. His adversary automatically wins the match? Or admin intervenes to enter the results?

Last question!! Imagine that matches are canceled due to rain or a thunderstorm. How to postpone the matches of a KNOCKOUT tournament to the following week? Or how to put the tournaments on hold? How did the dates change?

Thank you for your help and all my excises for google translation