|Born||26 May 1990|
Dafeng, Jiangsu, China
|Height||1.60 m (5 ft 3 in)|
|Weight||56 kg (123 lb)|
|Highest ranking||15 (20 December 2012)|
Gu followed her father to Nanjing when she was six years old. Due to poor body constitution, her father send her to a badminton school to build up her body. Gu represented Nanjing and won a competition. She was subsequently invited to join the Beijing badminton team but withdrew after not being used to the weather conditions. Gu then further represented Nanjing in the Jiangsu sports competition and won the girls doubles and mixed doubles. Former Jiangsu badminton coach, representing the Singapore Badminton Association, scouted her and invited her to Singapore.
Gu came to Singapore in 2003 under the Foreign Sports Talent Scheme and became a Singapore citizen in June 2007. She left the Singapore national team to return to Shanghai for studies a year later. However, 16 months later, after the persuasion of the Singapore national badminton team's head coach, she re-joined the national team. Gu was part of the Singapore women's team who won the silver medal at the 2007 Southeast Asian Games held in Thailand. In 2012, Gu was selected as Singapore's only Olympic women's singles player for the 2012 Summer Olympic Games by the Singapore Badminton Association, ahead of Southeast Asian Games women's singles champion Fu Mingtian.
BWF World Junior ChampionshipsEdit
|2007||Waitakere Trusts Stadium, Waitakere City, New Zealand||Wang Lin||14–21, 14–21||Bronze|
Asia Junior ChampionshipsEdit
|2007||Stadium Juara, Kuala Lumpur, Malaysia||Liu Xin||7–21, 21–15, 16–21||Silver|
BWF Grand PrixEdit
|2013||Dutch Open||Busanan Ongbumrungpan||12–21, 12–21||Runner-up|
|2013||Malaysia Masters||Pusarla Venkata Sindhu||17–21, 21–17, 19–21||Runner-up|
BWF International Challenge/SeriesEdit
|2011||Singapore International||Xing Aiying||10–21, 12–21||Runner-up|
|2011||New Zealand International||Sayaka Sato||14–21, 13–21||Runner-up|
|2010||Vietnam International||Lee Hyun-jin||19–21, 15–21||Runner-up|
|2011||Banuinvest International||Hitomi Oka||23–25, 21–15, 4–21||Runner-up|
|2007||Waikato International||Fu Mingtian||14–21, 17–21||Runner-up|
|2007||Croatian International||Zhang Beiwen|| Cai Jiani
|21–15, 6–21, 10–21||Runner-up|
Record Against Selected OpponentsEdit
Record against Super Series finalists, World Championships semifinalists, and Olympic quarterfinalists, plus all Olympic opponents.
- Victoria Na 1–0
- Petya Nedeltcheva 3–3
- Zhu Lin 1–0
- Wang Yihan 0–4
- Wang Xin 0–3
- Wang Shixian 0–4
- Li Xuerui 1–5
- Yao Xue 0–1
- Liu Xin 0–1
- Wang Lin 0–1
- Cheng Shao-chieh 2–3
- Tai Tzu-ying 3–2
- Pi Hongyan 1–2
- Zhou Mi 0–1
- Yip Pui Yin 2–1
- Saina Nehwal 1–5
- Maria Kristin Yulianti 1–0
- Eriko Hirose 1–2
- Sayaka Sato 1–2
- Minatsu Mitani 0–4
- Bae Youn-joo 2–2
- Sung Ji-hyun 0–2
- Wong Mew Choo 1–0
- Monika Fašungová 2–0
- Porntip Buranaprasertsuk 2–5
- Ratchanok Inthanon 1–3
- "Gu Juan". www.sports-reference.com. Sports Reference. Retrieved 11 May 2017.
- "明星信息". 2012.sina.com.cn (in Chinese). Sina Corp. Retrieved 11 May 2017.
- "Out to make the most of her Olympic stop". www.asiaone.com. AsiaOne. Retrieved 1 August 2012.
- "羽球／羽球女單傳捷報 鄭韶婕拍落顧娟晉級前8強". www.nownews.com (in Chinese). NOWnews. Retrieved 11 May 2017.
- "Juan Gu Head to Head". www.tournamentsoftware.com. Badminton World Federation. Retrieved 8 February 2012.