The quarterfinals of the New Zealand Badminton Open became a graveyard for some of the world's best as the top seeds in both the men's and women's were knocked out of competition in tough contests.
The former world No3 and current No21, Indonesian Simon Santoso was shown little respect by Korean, Dong Keun Lee.
The top seed was defeated 21-19 13-21 21-18 by Lee in just over an hour.
In the women's singles draw both of the top seeds were sent packing.
Hsiao Ma Pai was beaten by sixth seeded Chinese player Xue Yao 21-10 16-21 21-10 in the quarterfinals, while Kaori Imabeppu lost in the second round to Hae Won Kang from Korea who now plays the third seed Xuan Deng.
Yao will play Japan's Akane Yamaguchi in her semifinal.
There are no New Zealanders left after North Harbour's Vicki Copeland lost to Pai in straight games and then third seeds Aik Quan Tan and Pei Jing Lai from Taipei proved too tough when she paired up with Waitakere's Luke Charlesworth in the mixed.