2011 Japan Super Series

The 2011 Japan Super Series was the eighth super series tournament of the 2011 BWF Super Series in badminton. The tournament was held in Tokyo, Japan, from 20 to 25 September 2011 and had a total purse of $200,000.

Seeds

 * 1)  Lee Chong Wei (final)
 * 2) 🇨🇳  Lin Dan (withdrew)
 * 3)  Peter Gade (semifinals)
 * 4) 🇨🇳   Chen Long (champion)
 * 5)  Taufik Hidayat (first round)
 * 6) 🇨🇳 Chen Jin (quarterfinal)
 * 7)  Nguyen Tien Minh (first round)
 * 8) 🇨🇳 Du Pengyu (first round)

Seeds

 * 1) 🇨🇳 Wang Yihan
 * 2) 🇨🇳 Wang Shixian (quarterfinal)
 * 3) 🇨🇳 Wang Xin (second round)
 * 4) 🇮🇳 Saina Nehwal
 * 5)  Tine Baun (quarterfinal)
 * 6) 🇨🇳 Liu Xin
 * 7)  Cheng Shao-Chieh (first round)
 * 8) 🇩🇪 Juliane Schenk

Seeds

 * 1) 🇨🇳 Cai Yun / Fu Haifeng
 * 2)  Mathias Boe / Carsten Mogensen (first round)
 * 3)  Koo Kien Keat / Tan Boon Heong
 * 4)  Muhammad Ahsan / Bona Septano
 * 5) 🇰🇷 Jung Jae-sung / Yoo Yeon-seong (first round, retired)
 * 6)  Markis Kido / Hendra Setiawan
 * 7)  Alvent Yulianto Chandra / Hendra Aprida Gunawan (quarterfinal)
 * 8) 🇯🇵 Hirokatsu Hashimoto / Noriyasu Hirata (first round)

Seeds

 * 1) 🇨🇳 Wang Xiaoli / Yu Yang (withdrew)
 * 2) 🇯🇵 Miyuki Maeda / Satoko Suetsuna (first round)
 * 3) 🇯🇵 Mizuki Fujii / Reika Kakiiwa
 * 4) 🇨🇳 Tian Qing / Zhao Yunlei (second round)
 * 5)  Cheng Wen-hsing / Chien Yu-chin
 * 6) 🇯🇵 Shizuka Matsuo / Mami Naito
 * 7) 🇰🇷 Ha Jung-eun / Kim Min-jung (quarterfinal)
 * 8)  Meiliana Jauhari / Greysia Polii (second round)

Seeds

 * 1) 🇨🇳 Zhang Nan / Zhao Yunlei
 * 2)  Tantowi Ahmad / Lilyana Natsir (second round)
 * 3) 🇹🇭 Sudket Prapakamol / Saralee Thoungthongkam (quarterfinal)
 * 4)  Joachim Fischer Nielsen / Christinna Pedersen
 * 5)  Chen Hung-ling / Cheng Wen-hsing
 * 6) 🇹🇭 Songphon Anugritayawon / Kunchala Voravichitchaikul (second round)
 * 7) 🇩🇪 Michael Fuchs / Birgit Michels
 * 8)  Fran Kurniawan / Pia Zebadiah Bernadeth (first round)