THE mixed-doubles combination groomed to succeed Hongkong's 1990 Commonwealth Games champions Chan Chi-choi and Amy Chan have won the territory their third badminton medal of the East Asian Games. Chan Siu-kwong and Chung Hoi-yuk, the second seeds in Shanghai, progressed to the semi-finals last night with a 15-9, 15-10 victory over Japan's Koji Miya and Miwa Kai in the quarter-finals. By reaching the semi-finals, to be held tonight, Chan and Chung have earned a bronze at the least. Their opponents will be China's Liang Qing and Peng Yun, who were seeded to reach the semi-finals. The Chinese pair last night defeated Japan's Yuzo Kubota and Keiko Nakahara 15-2, 15-7. In the other semi-final, top seeds Chen Xingdong and Sun Man, of China, meet South Korea's Chung Kwon and Kim Mee-hyang, who were seeded to reach the last four. Hongkong's interest in the men's singles ended last night, though, when Chan Kin-ngai was beaten 15-3, 15-1 by China's top seed, Liu Jun, in the quarter-finals. In the women's singles, Chan Oi-ni went down to China's Shen Lianfeng 11-5, 11-5, leaving Hongkong without a player in the last eight, despite having three in the 18-strong draw. In the women's doubles, Tung Chau-man and Ngan Fai lost 15-10, 15-9 to Japan's Hisako Mizui and Aiko Miyamura, who went through to the semi-finals. In the men's doubles, Hongkong's Chan Siu-kwong and Chow Kin-man beat Macau's Ieong Weng-seng and Jose Manuel Rosa 15-5, 15-3 to move into the last eight. But last night they lost 15-5, 15-10 to China's Liu Di and Huang Zhanzhong to leave the mixed-doubles pairing as the only Hongkong representatives in the semi-finals of the five events. Teammates Wong Wai-lap and Ng Pak-kum lost 15-6, 12-15, 15-6 to Japan's Koji Miya and Fumihiko Machida. Hongkong's judo campaign began last night but there was no medal for Wu Ching-hui in the women's under-61 kilograms category at the Jiading Gymnasium. In Pool A, Wu beat North Korea's Sin Chun-sil with an Ippon throw in two minutes 15 seconds to move to the group final, where she lost to Japan's Hiroko Kitazume, also on an Ippon in the third minute. In Pool B of the repechage, Wu received a bye and missed out on a bronze medal by losing to Mongolia's Oyuntungalag Chuluun on a four-minute Yuko decision. China's Zhang Di, an Olympic bronze medal-winner in Barcelona, took gold, beating Japan's Kitazume in the final. South Korea's Chung Sung-sook also won a bronze. Hongkong are on course for two more wushu medals today. After a solid start on Friday, Ng Siu-ching and Li Fai consolidated their positions in second and third place in the women's three events combined after the second discipline last night - the long-weapon routine. Both girls scored 9.30 marks but were beaten by China's Li Shuhong, who earned 9.65. Going into today's final event - the short-weapon routine - Li leads with 19.23, followed by Ng on 18.68 and Li Fai on 18.63. Japan's Yuri Kaminiwa is fourth on 18.51.