The Chinese Taipei star is the highest ranked men’s singles player at the tournament, following the withdrawal of Japan’s Kento Momota.

Chou secured a 21-8, 21-16 win over Ireland’s Nhat Nguyen in the second round of the BWF World Tour Super 750 event at the Odense Sports Park.

He will now face a quarter-final against India’s Srikanth Kidambi, who was a 21-15, 21-14 winner against Canada’s Jason Ho-shue.

Denmark’s Jan O Jorgensen came through a tough tie against France’s Toma Junior Popov, with the eighth seed winning 21-16, 10-21, 21-14.

Jorgensen will face Denmark's Anders Antonsen in the last eight after the third seed defeated France’s Thomas Rouxel 21-9 21-12. 

A total of 15 Japanese players withdrew from the event due to the coronavirus pandemic.

Women’s second seed Nozomi Okuhara has made the trip and eased into the quarter-finals.

She overcame Wales’ Jordan Hart 21-6, 21-12 to set up a match against Denmark’s Julie Dawall Jakobsen.

Jakobsen was a 21-18, 21-17 winner against France’s Marie Batomene.

Spain’s Carolina Marin was a 21-14, 21-8 victor against Line Christophersen in her second round match.

The third seed will now face Zhang Beiwen, after the American came from a game down to beat Russia’s Evgeniya Kosetskaya 14-21, 21-12, 21-18.

The competition is the first event staged on the BWF World Tour since the coronavirus pandemic ground sport across the world to a halt.

Competition in the Danish city will precede three back-to-back World Tour events in Bangkok, including the season-ending Finals, as part of the BWF's plans to restart its international competitions following the lengthy coronavirus-enforced stoppage.