Umpires

1) All referees of one nation, here GER

https://crossminton.ophardt.online/en/public/referee-list/ger

For other nations, replace GER at the end with SUI for Switzerland, for example.


2) All referees of a nation and region, here GER + LN

https://crossminton.ophardt.online/en/public/referee-list/ger/LN

For other nation see above, for other regiono exchange the abbreviation at the end.