Is there something I need to do? None of my wins are recorded online, my deck isn’t synced, etc. This is on the Duelists unite site.
I believe at the moment the DU leaderboards are undergoing maintenance.
You can check your ranked stats on the Discord server in #bot-spam-memes using commands such as the following.
This will allow you to see what decks you’ve played against and what your win ratio is currently.