 Complete the following phrase:  At the World Grand Prix, Ding beat Ben Woollaston 43, Peter Ebdon 40 and Thepchaiya Un-Nooh 43 to reach his first semi-final of the season against Shaun Murphy, which he lost 63. In the quarter-finals of the PTC Finals, Ding was defeated 42 by Barry Hawkins and he lost 51 to Lee Walker in China Open qualifying. Ding, who had won five ranking events two seasons before had left the worlds top 16 and needed to qualify for the 