United used to have a policy that they wouldn't do matches against other *A elite status. Occasionally they'd make an exception for someone pushing hard and explaining they no longer live in Seoul or Stockholm or wherever.

But since then two things changed: (1) they started matching against US in retaliation for some policy or other, I really don't remember the tit for tat over there and (2) they changed the program to be a challenge rather than straight match.

Does anyone have recent experience attempting to get a challenge based on elite status with a star alliance carrier (other than US)?