South Korea thrashed Singapore 5-0 on the first day of the Badminton Asia Mixed Team Championship ©Beyond Boundaries/Badminton Asia

Lee Yun-gyu recorded an impressive victory against former world champion Loh Kean Yew to help South Korea thrash Singapore on the first day of the Badminton Asia Mixed Team Championship in Dubai.

Kim Won-jo and Jeong Na-eun put South Korea into the lead in the Group A tie with a 21-15, 21-17 victory against Jun Liang Andy Kwek and Wong Jia Ying Crystal, and Kim Ga-eun doubled their lead by coming from behind to beat Yeo Jia Min 19-21, 21-16, 21-19 at the Dubai Exhibition Centre.

World number 239 Lee fell behind 21-10 to Loh after the first game, but bounced back to stun his opponent by winning the following two 21-18 and 21-15.

Baek Ha-na and Lee So-hee produced a comeback 18-21, 21-4, 21-15 victory against Jin Yu Jia and Wong Jia Ying Crystal to make it 4-0, before Kim Won-ho and Na Sung-seung completed the route with a 21-13, 21-16 triumph over Hee Yong Kai Terry and Loh Kean Hean.

Defending champions China won their five matches in straight games to hammer Uzbekistan 5-0 in the other Group A tie.

Hosts the United Arab Emirates were beaten 5-0 by fourth seeds Malaysia in Group B, and two-time Olympic medallist PV Sindhu eased past Kamila Smagulova 21-4, 21-12 to help India beat Kazakhstan by the same scoreline.

Third seeds Indonesia played twice in the five-team Group C, seeing off Lebanon and Syria 5-0.

Tokyo 2020 bronze medallist Anthony Sinisuka Ginting took 17 minutes to win 21-6, 21-8 against Lebanon's Abi Younes Christophe in their first match.

Syria were also beaten 5-0 by Thailand and Lebanon by the same scoreline against Bahrain on the first day.

Second seeds Japan cruised to a 5-0 win against Pakistan in their Group D opener, and Hong Kong beat Chinese Taipei 3-2 in an entertaining match.

The group stage is set to run until Thursday (February 16) in Dubai, with the top two from each group advancing to the quarter-finals.