 Complete the following phrase:  He reached the second round of the tournament though by winning his qualifying match by 51 against Michael White, and then his last 32 match against Neil Robertson 54 before losing against Mark King 35. He enjoyed a good return of form in the World Open, where he beat Steve Davis 31, Fergal OBrien 32, Liu Song 32, and Martin Gould 31 before losing against Ronnie OSullivan 13. This was his first semi-final since the 2009 China Open and saw him retake a place in the top 16. He also reached the quarter-finals of the China Open and the last 16 of the 