Top seeds Tzu Wei Wang and Ratchanok Intanon reached the quarter-final stage of the men's and women's singles respectively at the SKYCITY New Zealand Open on Thursday.
Men's top seed Wang of Chinese Taipei thumped Malaysia'a ninth seed Wei Feng Chong 21-15, 21-10 while Thailand's Intanon crushed Australian Yingzi Jiang 21-2, 21-8 in just 24 minutes.
In some other men's singles results, Indian fourth seed HS Prannoy beat tenth seed Wei Nan of Hong Kong 21-18, 21-19 and in two upsets, the unseeded Lee Cheuk Yiu of Hong Kong defeated Israeli 13th seed Misha Zilberman 21-10, 21-12 while Chia Hung Lu of Chinese Taipei downed Indian 16th seed Siril Verma 21-13, 21-14.
In some other women's singles results, Indonesian second seed Fitriani Fitriani saw off Canada's Brittney Tam 21-7, 21-15 while fourth seed Hanna Ramadini of Indonesia beat China's Zhiyi Wang 21-18, 21-10.
Fifth seed Saena Kawakami of Japan cruised past Han Yue of China 21-14, 21-11