Ding began the 2009/2010 season by reaching the quarter-finals of the Shanghai Masters. He reached the final of the Grand Prix by defeating Matthew Stevens 5–4 in the first round, Stephen Maguire 5–1 in the second round, Peter Ebdon 5–2 in the quarter-finals, and Mark Williams 6–1 in the semi-finals, losing to Neil Robertson 9–4 in the final. At the 2009 UK Championship, Ding reached the final after defeating Mike Dunn 9–5, Shaun Murphy 9–3, Ali Carter 9–8, and Stephen Maguire 9–5. He went on to defeat John Higgins 10–8 in the final to win his second UK title.