 Complete the following phrase:  OSullivan began the defence of his Masters title by defeating Neil Robertson 64 in the first round, after having trailed 03. After this, he defeated Peter Ebdon 63 in the quarter-final. In the semi-final he beat Mark Williams 65, to reach his sixth Masters final in seven years. OSullivan met Mark Selby in the final for the second consecutive year, and lost 910 despite having led 96. In the Welsh Open, he reached the semifinals by beating Stuart Bingham 51 in the first round, Jamie Cope 50 in the second round, and Mark Allen 52 in the quarter-finals, but lost 46 against John Higgins in the semifinals. OSullivan lost 35 in the first round of the China Open, against 22-year-old wild card Tian Pengfei. With this, he also lost his chance to defend his official World No. 1 spot. At the 