Top seed Aya Ohori crashed out of the women's singles draw today at the quarter-final stage of the Badminton World Federation (BWF) Macau Open today.
Ohori was defeated 23-21, 16-21, 21-19 in 72 minutes by Zhang Yiman of China at the Tap Seac Multi-sports Pavilion in this BWF Grand Prix Gold event.
It leaves Cheung Ngan Yi as the highest ranked player in the draw after the Vietnamese second seed overcame Chinese Taipei's Su Yu Chen 21-17, 21-18.
China also secured a second semi-final spot as Cai Yanyan beat Min Ji Lee of South Korea 21-18, 21-18.
Han Yue failed to make it three after losing 21-19, 21-19 to Pai Yu Po of Chinese Taipei.
The 14th seed Ihsan Maulana Mustofa produced the biggest shock of the day in the men's single draw.
The Indonesian won 12-21, 21-17, 21-16 against second seed Vincent Wong Wing Ki of Hong Kong.
Third seed Lee Hyun Il of South Korea progressed safely after beating Wei Feng Chong of Malaysia 21-23, 21-10, 21-11.
Kento Momota won an all-Japanese clash against sixth-seed Kanta Tsuneyama, 21-9, 21-15 and Malaysian 10th seen Zulfadli Zulkiffli defeated Chinese Taipei's Shih Kuei-chun 15-21, 21-18, 21-6.
Action is due to continue tomorrow.