Leicester booked their place in the fourth round after coming from behind to beat Everton at Goodison Park in talkSPORT 2’s live commentary game.
Romelu Lukaku gave the Toffees the lead midway through the second half, before Ahmed Musa scored twice in the space of four minutes to hand Claudio Ranieri’s side a memorable win on Merseyside.
The Foxes have advanced one round further than they did in 2016, when they lost out to Tottenham in a third round replay.
Hull advanced to the fourth round after seeing off fellow Premier League strugglers Swansea at the KCOM Stadium.