The 19-year-old shone on his competition debut, keeping in-form Wolves winger Adama Traore quiet for large periods of the game.
He also had a shout for a penalty on the half-hour mark, when he appeared to have been tripped by Leander Dendoncker inside the home side’s 18-yard-box.
“I think it's a penalty but obviously [the Video Assistant Referee] thinks different,” Williams told us after the conclusion of the match. “We've just got to move on from the decision and score another goal.
“We're unlucky. We had some great chances but we’ve just got to put them away.