CHANGZHOU, Jiangsu Province, Sept. 16 (Xinhua) -- Mixed doubles pair Yohan Hadikusumo Wiratama and Hoi Wah Chau became the first high-profile casualties at the China Masters badminton tournament here on Wednesday.

    They were followed by sixth-seeded Songphon Anugritayawon/Kunchala Voravichitchaikul from Thailand who lost to Ko Sung Hyun/Ha Jung Eun of South Korea 21-8, 21-17.

Joachim Persson of Denmark returns a shot during the men's singles match against China's Liu Jingru at 2009 China Masters in Changzhou, east China's Jiangsu province, on Sept. 16, 2009. Persson won 2-0. (Xinhua/Chen Qi)

    2009 South Korean Open bronze medallists Wiratama and Chau from Hong Kong, China were surprised by Chinese teenage pair Chai Biao and Xia Huan 21-17, 21-19 in 30 minutes in the first round of the super series event.

    "It is the first time we played this pair," said Chau. Chau and Wiratama, seeded number four here, defeated Chai Biao and Bao Yixin in May's National Games qualifier before they booked a place in the final to be held in October in Shandong province.

    Unlike many other Chinese players who took the Masters as a tune-up for the National Games, Chau said it was just a normal tournament for them and complained about the judge.

    "I don't think the judges are very good," she said.

    Changzhou native Lu Lan eased into the women's singles second round as the fifth seed brushed aside compatriot Zhu Lin 21-13, 21-9.

    In men's singles, Denmark's fifth seed Joachim Persson breezed past Chinese Liu Jingru 21-16, 21-15 before South Korea's Asian champion Park Sung Hwan, seeded sixth, worked his way to the second round by beating youth world champion Wang Zhengming 21-18,22-20.

    "I felt I had a chance to win but lacked changes during the match," said the 19-year-old Chinese.

Joachim Persson of Denmark returns a shot during the men's singles match against China's Liu Jingru at 2009 China Masters in Changzhou, east China's Jiangsu province, on Sept. 16, 2009. Persson won 2-0. (Xinhua/Chen Qi)

Wang Chen of China's Hong Kong returns a shot during the women's singles match against Nicole Grether of Germany at 2009 China Masters in Changzhou, east China's Jiangsu province, on Sept. 16, 2009. Wang won 2-0. (Xinhua/Chen Qi)

Lu Lan of China returns a shot during the women's singles match against her teammate Zhu Lin at 2009 China Masters in Changzhou, east China's Jiangsu province, on Sept. 16, 2009. Lu won 2-0. (Xinhua/Chen Qi)

Lu Lan of China returns a shot during the women's singles match against her teammate Zhu Lin at 2009 China Masters in Changzhou, east China's Jiangsu province, on Sept. 16, 2009. Lu won 2-0. (Xinhua/Chen Qi)

Lu Lan of China returns a shot during the women's singles match against her teammate Zhu Lin at 2009 China Masters in Changzhou, east China's Jiangsu province, on Sept. 16, 2009. Lu won 2-0. (Xinhua/Chen Qi)