Results from the quarter-finals of the China Masters in Changzhou, China (x denotes seeding):
Men's singles:
Jan O Jorgensen (DEN x6) bt Kento Momota (JPN) 21-17, 17-21, 21-6
Son Wan-Ho (KOR) bt Zhou Wenlong (CHN) 21-14, 21-11
Wang Zhengming (CHN x7) bt Kazumasa Sakai (JPN) 21-14, 21-19
Sho Sasaki (JPN) bt Kenichi Tago (JPN x5) 21-18, 21-8
Women's singles:
Porntip Buranaprasertsuk (THA) bt Han Li (CHN) 21-19, 21-17
Li Xuerui (CHN x1) bt Gu Juan (SIN) 21-10, 22-20
Sayaka Takahashi (JPN) bt Yao Xue (CHN) 21-16, 22-20
Liu Xin (CHN) bt Suo Di (CHN) w.o.
Men's doubles:
Chai Biao/Hong Wei (CHN) bt Gideon Markus Fernaldi/Markis Kido (INA) 21-17, 21-16
Liu Xiaolong/Qiu Zihan (CHN x4) bt Huang Kaixiang/Zheng Si Wei (CHN) 21-16, 21-17
Ko Sung-Hyun/Lee Yong-Dae (KOR x1) bt Hirokatsu Hashimoto/Noriyasu Hirata (JPN x8) 21-10, 18-21, 21-6
Hiroyuki Endo/Kenichi Hayakawa (JPN x2) bt Liang Jui-Wei/Liao Kuan-Hao (TPE) 21-15, 21-10
Women's doubles:
Wang Xiaoli/Yu Yang (CHN x1) bt Nitya Krishinda Maheswari/Greysia Polii (INA) 21-16, 21-11
Jang Ye-Na/Kim So-Young (KOR) bt Pia Zebadiah Bernadeth/Rizki Amelia Pradipta (INA x4) 21-17, 18-21, 21-10
Ma Jin/Tang Jinhua (CHN x2) bt Jung Kyung-Eun/Kim Ha-Na (KOR x6) 21-14, 14-21, 21-19
Ou Dongni/Tang Yuanting (CHN) bt Misaki Matsutomo/Ayaka Takahashi (JPN x3) 21-17, 22-20
Mixed doubles:
Yoo Yeon-Seong/Eom Hye-Won (KOR) bt Lukhi Apri Nugroho/Annisa Saufika (INA) 21-12, 21-9
Riky Widianto/Puspita Richi Dili (INA x6) bt Praveen Jordan/Vita Marissa (INA) 8-21, 21-14, 22-20
Markis Kido/Pia Zebadiah Bernadeth (INA x4) bt Shin Baek-Choel/Jang Ye-Na (KOR x7) 21-15, 21-19
Zhang Nan/Zhao Yunlei (CHN x2) bt Kang Jun/Ou Dongni (CHN) w.o.
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