JAKARTA, Aug. 25 -- Reigning Olympic champion Chen Long secured his position in the men's singles quarterfinals, while other Chinese shuttlers experienced a bitter-sweet day in the women's singles round of 16 at the 18th Asian Games here on Saturday.

In his first encounter with South Korean Heo Kwang-hee, Chen savored the first-game victory of 24-22 following late-game tussle, and went on to triumph in the second game 21-18 through Heo's poor return.

"When my opponent came back, I still steadied my nerves, that was quite important," said Chen, who will take on Indonesian shuttler Anthony Sinisuka Ginting, who upset reigning world champion Kento Momota of Japan 21-18, 21-18.

Heo showed satisfaction with his performance, also expressing his hope to beat Chen some day.

"I'm good at attacking, but it seems that Chen is used to that through solid defense," Heo pointed out.

Men's singles last eight featured prominent names including Son Wan-ho, Ng Ka Long Angus and Kenta Nishimoto. Jonatan Christie, who had knocked out top-seeded Shi Yuqi on Friday, also continued his journey in his hometown.

In women's singles contention, China's Chen Yufei surfaced past veteran Yip Pui Yin of Hong Kong, China in straight sets, but He Bingjiao lost again to Japan's Nozomi Okuhara.

Chen possessed three game points in the first game, before all were saved by Yip, who appeared in the Asian Games for the fourth consecutive time. Chen won the following two points to take away the first game 22-20.

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