Koo Kien Keat AMN (Chinese: 古健傑; Pe̍h-ōe-jī: Kó͘ Kiān-kia̍t; born 18 September 1985) is a Malaysian former professional badminton player. He succeeded...

Soon Kit and Yap Kim Hock, Chan Chong Ming and Chew Choon Eng, and Koo Kien Keat and Tan Boon Heong. Tan was born on 21 May 1989 in Johor to Tan Cham...

Cheah and Yap, Chan Chong Ming and Chew Choon Eng, and later on by Koo Kien Keat and Tan Boon Heong ever since official rankings were kept in the 80s...

doubles partner was changed to Koo Kien Keat. Together, they claimed 2005 Denmark Open title. Chan Chong Ming and Koo Kien Keat won the Malaysia Open in 2006...

defeated by Malaysian pair Koo Kien Keat and Tan Boon Heong in both tournaments. Setiawan and Kido had never won a single match to Koo and Tan since their first...

doubles coach) decided to split them up and partner Tan Boon Heong with Koo Kien Keat instead. This move, nevertheless, proved to be spot-on as this pair...

doubles title at the 2004 French International tournament partnered with Koo Kien Keat. He also won the 2009 Australian Open Grand Prix tournament with Tan...

the finals, they overcame the first-seed and Malaysian world no. 1 Koo Kien Keat and Tan Boon Heong 18–21, 21–18, 21–14 to win the world title for the...

player Koo Hsien-jung (1866–1937), Taiwanese businessman and politician Koo Ki-Lan (born 1977), South Korean volleyball player Koo Kien Keat (born 1985)...

French Super Series. On 17 December 2009, they defeated Malaysian duo Koo Kien Keat and Tan Boon Heong to win gold at the 2009 SEA Games in Vientiane, Laos...

Swiss Open Carsten Mogensen Koo Kien Keat Tan Boon Heong 14–21, 18–21 Runner-up 2009 Denmark Open Carsten Mogensen Koo Kien Keat Tan Boon Heong 22–20, 14–21...

started coaching professionals Koo Kien Keat and Tan Boon Heong. Koo and Tan went to look for Lee to be their coach since they Koo and Tan left the national...

the finals, they overcame the first seed and Malaysian world no. 1 Koo Kien Keat and Tan Boon Heong 18–21, 21–18, 21–14 to win the world title for the...

In the quarter-final, where Malaysia faced Japan, Choong paired with Koo Kien Keat to defeat Shuichi Sakamoto and Shintaro Ikeda 21–13, 21–11. However...

Abdul Latif Mohd Fairuzizuan Mohd Tazari Koo Kien Keat Tan Boon Heong 2010 Paris Cai Yun Fu Haifeng Koo Kien Keat Tan Boon Heong Guo Zhendong Xu Chen Markis...

Maneepong Jongjit but was defeated in the quarterfinals by Malaysia's Koo Kien Keat and Tan Boon Heong. In 2013, Isara switched from competing for the national...

Zheng Bo and Ma Jin in the mixed doubles final. With Jung, he defeated Koo Kien Keat and Tan Boon Heong in men's doubles final. In December, Lee and Jung...

Feng Chin Eei Hui Chew Choon Eng Chan Chong Ming Muhammad Hafiz Hashim Koo Kien Keat Roslin Hashim Wong Choong Hann Lee Chong Wei Tan Aik Huang Eddy Choong...

(second round) Sung Ji-hyun (second round) Susan Egelstaff (first round) Koo Kien Keat / Tan Boon Heong (semi-finals) Hendra Aprida Gunawan / Alvent Yulianto...

Wah 21–12, 21–8 Winner 2016 Malaysia Masters Marcus Fernaldi Gideon Koo Kien Keat Tan Boon Heong 18–21, 21–13, 21–18 Winner 2016 Indonesia Masters Wahyu...

Setiawan Du Jing Yu Yang Nova Widianto Liliyana Natsir 2009 Wang Yihan Koo Kien Keat Tan Boon Heong Ma Jin Wang Xiaoli Lee Yong-dae Lee Hyo-jung 2010 Lee...

Asian Badminton Championships. Shortly after, Tan was partnered with Koo Kien Keat and Hoon was briefly partnered with Chan Chong Ming and then, Ong Soon...

Xingfang Markis Kido / Hendra Setiawan Mathias Boe / Carsten Mogensen Koo Kien Keat / Tan Boon Heong Lars Paaske / Jonas Rasmussen Cai Yun / Fu Haifeng...

Result Ref 2010 Tianhe Gymnasium, Guangzhou, China Alvent Yulianto Koo Kien Keat Tan Boon Heong 19–21, 16–21 Bronze 2014 Gyeyang Gymnasium, Incheon,...

National Team's Doubles department and his biggest success was bringing up Koo Kien Keat and Tan Boon Heong. He guided the pair to an Asian Games Gold Medal...

she won the 2010 Commonwealth Games mixed doubles title, playing with Koo Kien Keat. She had also won a silver medal in the same event 8 years previously...

Tournament Partner Opponent Score Result Ref 2013 French Open Markis Kido Koo Kien Keat Tan Boon Heong 21–16, 21–18 Winner 2016 India Open Kevin Sanjaya Sukamuljo...

Luluk Hadiyanto Koo Kien Keat Tan Boon Heong 13–21, 14–21 Silver 2010 Tianhe Gymnasium, Guangzhou, China Mohammad Ahsan Koo Kien Keat Tan Boon Heong 19–21...

Kwang-hee Kang Ji-wook Kim Hyo-min Lee Sang-joon Darren Isaac Devadass Koo Kien Keat Yogendran Khrishnan Vountus Indra Mawan Muhammad Hafiz Hashim Satheishtharan...

Denmark, and in the bronze medal match, they beat the Malaysian pair Koo Kien Keat and Tan Boon Heong in straight games. This was Jung's final tournament...