He lost to Peter Ebdon 5–2 and Ding Junhui 9–3 in the last 32 of both tournaments respectively, but his consistent performances have taken him up to number 36 in the 2008/2009 rankings.
On 21 January 2007, he was the referee of the final of the Masters between Ronnie O'Sullivan and Ding Junhui, in which he ejected at least one fan from Wembley Arena for heckling the 19-year-old Chinese player.
Pettman qualified for the 2010 World Championship, but was beaten 10–1 in the first round by Ding Junhui.
Ding Junhui | Ding-Dong! The Witch Is Dead | Ring-a-Ding Girl | Helian Ding | Ding Song | Ding Fang | J.N. "Ding" Darling | Ding Yuan | Ding Ling | Ding Dong Merrily on High | Ding-ding, and away | Cheng Ding An | Shama Lama Ding Dong | Gimme Dat Ding (song) | Gimme Dat Ding | Erwin Ding-Schuler | ding (vessel) | Ding (surname) | Ding Dong Denny O'Reilly | Ding Dong | Ding'an County | Ding'an | Ding | ding | Chen Ding-nan |
He was selected to play in the wildcard round, where he beat Sam Baird 5–3 to qualify for the last 32 and a match up with compatriot Ding Junhui.