The Chinese player won the first game quite easily against South Korea’s Park Hyeon Seung but was outplayed in the next two and went down 8-21, 21-16, 21-13 at the Pan Am Centre. 

France’s Arnaud Merkle also made his way into the third round with a close win over Japan’s Taiki Kato.

Merkle, who beat top seed Kunlavut Vitidsarn in the quarter-finals of the Summer Youth Olympic Games in Buenos Aires, edged Kato 21-19, 21-18 and is now set to face Indonesia’s Christian Adinata next.

Vitidsarn too eased himself into round three, past Germany’s Brian Holtschke 21-12, 21-10, and will is now scheduled to take on China’s Liu Liang.

Other third round matches are due to feature India’s Buenos Aires 2018 silver medallist Lakshya Sen versus Italy’s Giovanni Toti, ninth seed Chen Shiau Cheng  of Chinese Taipei against Indonesia’s Karono Karono, and Canada’s Brian Yang meeting Japan’s Riku Hatano.

Another seeded casualty was 11th ranked Julien Carraggi of Belgium, beaten 21-15, 21-18 by Thailand’s Setthanan Piyawatcharavijit.

Second seed Ikhsan Leonardo Rumbay of Indonesia and China’s Summer Youth Olympic Games champion Li Shifeng earned straight games victories.

In the women’s singles, top seed Wang Zhiyi came through her second round match against Peru’s Fernanda Rivva 21-9, 21-14, and Thailand’s second seed Phittayaporn Chaiwan - who beat Wang to Buenos Aries 2018 gold - eased past Mongolia’s Badamlyankhua Batbayar 21-1, 21-5.

Hungary’s number 11 seed Reka Madarsz  was beaten by Indonesia’s Yasnita Enggira Setiawan, who is next set to face Denmark’s Amalie Schulz.

Number.13 seed Line Christophersen of Denmark overcame a difficult challenger in Japan’s Miyu Takahashi, winning 23-21, 21-18 to earn a third round meeting with Sweden’s Ashwathi Pillai.