 Complete the following phrase:  At the Paul Hunter Classic, Grace beat Sean OSullivan 40 and Matthew Stevens 43 and then did not drop a frame in eliminating Jack Lisowski and Robbie Williams.ref name201617ref This saw him play in his second career ranking event quarter-final in which he led Thepchaiya Un-Nooh 31, but lost 43. Grace was beaten 41 by Barry Hawkins in the third round of the 