Despite winning 21-14 in the first game, the All England champion squandered the chance to wrap up the game early as he allowed the world No 50 Coelho to take the second game 24-22 before emerging victorious in the decider 21-14.

Zii Jia, seeded sixth, will next take on Denmark’s Hans-Kristian Solberg Vittinghus.

However, it was a different story for independent shuttler Liew Daren as he was eliminated by HS Prannoy of India 21-7, 21-17.

Meanwhile, Rio 2016 men’s doubles silver medallists Goh V Shem-Tan Wee Kiong kicked off their reunion in style as they overcame Hiroki Okamura-Masayuki Onadera of Japan 21-15, 22-24, 21-16. The 10th seeded pair will face Germans Bjame Veiss-Jan Colin Volker next.

Meanwhile, women’s pair Pearly Tan-M Thinaah bade an early farewell after losing 21-10, 12-21, 11-21 to Ng Tsz Yau-Yuen Sin Ying of Hong Kong.