Now there is an entry form! Check out URL:
https://docs.google.com/forms/d/e/1FAIpQLSf3y8y4fDBQmEzcNCI9Wtf4JqsfxEc-wUa29D758k7CG7b_WA/viewform
This was published on Facebook recently:
https://www.facebook.com/groups/PingPongParkinson/posts/3239308799650232