Dott now faces fellow Scot John Higgins, who eased past Australia's Neil Robertson, the player who beat him at the Welsh Open in January.

BBC: Dott thrashed Ronnie O'Sullivan 5-0 in the previous round

The Calderon play was also translated by a Scot, John Clifford.

ECONOMIST: Summer festivals

In Murray's absence, Britain slumped to a 4-1 defeat by Ukraine in Glasgow but the Scot has backed captain John Lloyd's decisions to instigate a play-off to choose his squad, and to drop his brother Jamie from the doubles.

BBC: Murray returns with doubles win