Albion's three game unbeaten run came to end after a disappointing 1-0 defeat to Champions League chasing Everton.
In a close game, the visitors took the lead in the 65th minute when Richarlison headed home from close range.
The Baggies thought they had snatched an equaliser at the death but Mbaye Diange's well taken finish was ruled out for offside by VAR.
Watch all of the highlights below:
Have your say on Albion's defeat over at our forum Baggies Banter.