Scotland's top names progressed to the next round at the Scottish International Open.
World number two Paul Foster defeated compatriot Willie Wood, the veteran former world champion, 10-3, 7-3.
And former world number ones Alex Marshall and David Gourlay also progressed, respectively defeating Hong Kon's Kenneth Wong 17-1, 13-1 and Welshman Damian Doubler 9-5, 6-7, 2-1.
Darren Burnett defeated England's Billy Jackson 9-2, 8-8.
And Jonathan Ross ousted South African Dylan Stafford 14-0, 10-1 at the BBC Scotland televised event from Dewars Centre in Perth.
However, Ronnie Duncan lost out to Scots-born Englishman Andy Thomson 4-10, 10-5, 2-1.