 Complete the following phrase:  At the World Open in August, Selby lost 45 to world number 53 Noppon Saengkham in the last 16, losing the deciding frame by just three points. He won his 15th ranking title at the China Championship in September, defeating John Higgins 109 in a very close-fought final. He reached the semi-finals of the Northern Ireland Open in November, losing 56 to Ronnie OSullivan on the final black. He faced disappointments in other tournaments, including an unexpected 36 loss to amateur James Cahill in the first round of the 