West Brom boss Slaven Bilic felt he deserved an explanation for why Everton's first goal was awarded after he was sent off in Saturday's 5-2 loss.
Bilic was dismissed as he remonstrated with referee Mike Dean at half-time.
Dominic Calvert-Lewin scored Everton's first, the goal initially ruled out before it was awarded by the video assistant referee.
"The analysis guys told me it was a foul for us before their first goal," Bilic told BBC Sport.
The 52-year-old added: "As a manager I should be in a situation to ask the referee what's going on.