If challenge is declined

Question

What happens if an opponent declines or ignores the challenge? Do you gain XP points? Does he/she lose points?

Answer 1

When that happens the challenge is canceled.
No one gains or loses exp.

Answer 2

I don't think it counts for anything. Does not even appears in you profile

Answer 3

Yep. You don't win or lose anything.

Answer 4

Thanks guys!