Declan Lavery has tested positive for Covid-19 upon arrival at the Northern Ireland Open in Milton Keynes and has been withdrawn from the event.
Lavery was due to play Neil Robertson on Tuesday afternoon, so Robertson receives a bye to the second round of the world ranking event.
All other players and officials tested on site at the event so far have had negative results. Riley Parsons tested positive before travelling to Milton Keynes and was withdrawn from the event.
Lavery and Parsons will undergo a period of self isolation and will receive the support of WST and the WPBSA.
Since WST events restarted in June, strict Covid-19 regulations have been and continue to be followed, under UK Government guidance.