Luke Littler is daring to dream after he became the youngest player to reach the fourth round of the World Championship.The 16-year-old has taken the Alexandra Palace tournament by storm and wowed an adoring crowd with a sensational performance to destroy Matt Campbell 4-1 in the last 32.Littler could meet his hero Raymond van Barneveld in the last 16 if the Dutchman can beat Jim Williams on Friday 29 December.Speaking after his historic third-round win, Littler admitted he has "nothing to lose now" after already over-achieving in the tournament.