Following their recent success at the Commonwealth Games in Delhi, Nathan Robertson and Jenny Wallwork are through to the last eight of the mixed doubles at the Denmark Open.
But England's three other pairs in second-round action on Thursday bowed out of the tournament, leaving Robertson and Wallwork as England's only quarter-finalists.
The English National champions and sixth seeds took 34 minutes to get the better of Mads Pieler Kolding and Julie Houmann, winning 21-15 21-17 despite allowing the Danes to recover from 13-8 down to draw level at 16-16 in the second game.
In the quarter-finals they will face Polish top seeds Robert Mateusiak and Nadiezda Zieba, who defeated Danish pair Mikkel Delbo Larsen and Mie Schjoett-Kristensen 21-12 21-9.
Wallwork had been chasing two quarter-final places but she and Gabby White went out of the women's doubles second round after a determined display against Thai fifth seeds Duanganong Aroonkesorn and Kunchala Voravichitchaikul.
The Leeds pair took the first game 21-15 but their opponents took control in the next two, taking the second 21-16 and the decider 21-14.
European silver medallists Heather Olver and Mariana Agathangelou also lost out in a three-game contest after winning the opening game 21-12 against Lotte Jonathans and Paulien van Dooremalen. But the Dutch seventh seeds hit back to win the next two 21-16 21-12 and move into the last eight.
Chris Adcock and Andrew Ellis were England's last hope in the men's doubles but they had the tough task of facing second seeds Markis Kido and Hendra Setiawan. 
But they weren't overawed by facing the Indonesians and held two game points at 20-18 in the opener before being edged out by the Olympic and former world champions 25-23 21-15.
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