The only way I found to see my rank was at the profile. At the end of a game the rank is not shown anymore.
As I didn’t finish the placements, I don’t know if that is because of a bug in the new feature that doesn't show the provisional rank to others, or if that happens after placements too, but if so, I think it is a bad idea.
Post your PBE bug reports here: something not functioning as intended? Store is broken? A champion's ability is not working? etc
Need help? Read our [bug reporting guide](http://community.pbe.leagueoflegends.com/c/bugs/CF5EEDC8FF5AC1A896F517E2C7AE4650C472807F-how-to-report-bugs-on-the-pbe).
Comments about things you don't like or suggestions for improvements go in Feature Feedback.