How can I get ranked?
I don’t understand your question.
On OGS the player called ronzo is ranked 11k.
Are you not that person? If not, it might be less confusing if you pick a different name here.
Generally, the answer is that when you sign up to OGS you specify what you think your rank is (which will be 25k if you haven’t played before) and then you play ranked games. You play ranked games by specifying that they are ranked either when you create them or when you specify your preferences for automatch.