Advanced matches doesn´t work

[Petra]

Hallo FTDNA,

now the double entries of FMS-matches are fixed, but if I try to find my FF matches via Advanced matches modus, now results are shown... Schade. Please fix it.

[danette823]

I ran the advanced matches for X matches only and my brother shows up on my fathers list. He does not share a X with my dad at all(according to GEDMATCH) Shouldn't everyone on the report that I run share the X with my father?..Or does it not work?

[loisrp]

Your brother will not share any X with your father. For a male, the X comes solely from his mother.

(In a few cases, there can be an X match with a male and his father if the mother and father are related, even distantly.)