The round of 16 pitted seed against seed, with yet more shocks along the way. 4th seeded Wang Yihan crashed out to 11th seeded Juliane Schenk in two games, who plays Pi Hongyan of France, seeded 8.
Court 1 was also the stage to see top seeded Wong Pei Tty and Chin Eei Hui crash out of the Women’s Doubles to Miyuki Maeda and Satoko Suetsuna, seeded 11 from Japan.
All of the 10 games on Court 2 ended in two sets, with the big shock of the day being Howard Bach and Tony Gunawan ending Mathias Boe and Carsten Mogensen’s chances of world title success.
Jan O Jorgensen’s superb form continued as he disposed of 16th seed Boonsak Ponsana of Thailand to book his place in the quarterfinals against Taufik Hidayat.
Day 5 begins with doubles on all three courts, followed by on Court 1 is the all-European Women’s Singles match between Juilane Schenk and Pi Hongyan. Chen Jin plays Simon Santoso third on court. Howard Bach and Tony Gunawan play Koo Kien Keat and Tan Boon Heong for a place in the semi finals.
Court 2 starts with top seeds Lee and Lee play Xie Zhongbo and Zhang Yawen, followed by Ma Jin and Zheng Bo playing Thomas Laybourn and Kamilla Rytter Juhl. The last four matches on Court 2 are the highlight of the day, with Zhou Mi playing Xie Xingfang for a place in the semi finals of the singles.
Lee Chong Wei plays Sony Dwi Kuncoro, with the winner playing the match of the day, Lin Dan against Peter Gade. Play ends on Court 2 with local hero Saina Nehwal playing Wang Lin.
Court 3 has Tine Rasmussen playing Lu Lan of China, followed on court by Jan O Jorgensen against Taufik Hidayat. Of the 40 remaining players in all the competitions, 35 are seeded.
Play begins at 2pm on all three courts.