Ump's call (4)
(Other definitions for fair that I've seen before include "'Just, meet (4)'" , "Reasonable target?" , "[OPPOSITE OF] Dark" , "Just; beautiful; blond" , "(Of skin) pale" .)
'ump's call' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for out that I've seen before include "A way to escape" , "impossible" , "Not within" , "Not in fashion" , "Dismissed, in cricket" .)