Neil Robertson and Mark Williams have pulled out of the BetVictor Scottish Open, which starts on Monday.
Robertson has withdrawn for medical reasons having been diagnosed with Pulsatile Tinnitus. He has been replaced in the draw by Bai Langning, who will face Ben Hancorn in the first round on Monday evening in Llandudno.
Williams has withdrawn for personal reasons and been replaced by James Cahill, who will be up against Ben Woollaston in the first round on Monday morning.
The tournament at Venue Cymru runs until December 12th.