I hadn't played duels for a couple weeks and didn't have any rating visible. I played my first duel today and won but at the end I didn't receive any rating and I wasn't included in the leaderboard. Now my rating is visible but it looks as if I haven't played this week yet. One weird thing was that after the last round was over I heard the guessing sound again but don't remember what page exactly showed up after.

Here is a link for the duel: https://www.geoguessr.com/duels/b5711b86-59e2-4335-a935-bf15af21a91c/summary and an attached screenshot of what I currently see in the duels page.