Simon Whitlock and Damon Heta battled past spirited Swedes Johan Engstrom and Daniel Larsson to reach their third consecutive World Cup quarter-final.
Whitlock defied a mid-game slump to claim a deciding-leg victory over Engstrom, while a sensational 132 finish from Larsson inspired him to a surprise 4-3 win against Heta.
However, the experience of the fifth seeds paid dividends in the Doubles decider, as they maintained their title tilt with a 4-1 triumph.
The 2012 runners-up now play Belgium for a semi-final spot, after Dimitri Van den Bergh and Kim Huybrechts steered the fourth seeds to a convincing 2-0 victory over Poland.
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