Ronnie O’Sullivan has raced into a 7-1 lead against Anthony Hamilton in the first session of their Embassy World Championship quarter-final clash at the Crucible.
O'Sullivan's brilliant from included three century breaks.
In the other quarter-final which got underway this morning Wales' Matthew Stevens leads England's Joe Perry 5-3.
Both matches resume at 6.45pm tonight.
Frame scores (O’Sullivan v Hamilton, 1st): 112-20 86-8 109 (109 break)-2 106 (106 break)-0 79-23 131 (131 break)-0 77-46 43-78
Frame scores (Stevens v Perry, Stevens 1st): 72-39 1-108 45-78 77-8 128 (128 break)-0 61-73 10-65 73-37.