Anderson qualified for the 2011 World Championship as the number 11 seed and in the first round played Japan's Morihiro Hashimoto. Anderson won 3–0 in sets, taking all nine legs without reply, with an average of 103.23. In the second round he faced two-time world champion Dennis Priestley, winning 4 sets to 2. He then defeated Andy Smith in the third round (whilst setting his highest World Championship average of 108.39), Raymond van Barneveld in the quarter-finals, and Terry Jenkins in the semi-finals to ensure his place in the final against Adrian Lewis. Anderson was defeated 7–5 by Lewis, who also hit a nine-dart finish during the first set of the match. Despite the loss, Anderson's run ensured him a place in the 2011 Premier League as he had moved into the top four on the Order of Merit.