Lyddia Cheah

Lyddia Cheah Li Ya (born 8 September 1989, also known as Lyddia Cheah Yi Yu) is a Malaysian badminton player. Her younger sister, Soniia Cheah Su Ya is also a badminton player. In 2010, she competed at the Commonwealth Games in India.

Career
In 2008, she became the runner-up at the Chinese Taipei Grand Prix Gold tournament. She was defeated by Saina Nehwal of India in the final. In 2009, she won a bronze medal at the Southeast Asian Games in the women's singles event. She was a part of the Malaysian team squad that won team gold at the 2009 Southeast Asian Games in the women's team event and 2010 Commonwealth Games in the mixed team event.

In 2012, she won the Maybank Malaysia International Challenge tournament. She lived up to expectations when she easily overpowered Singaporean seventh seed Liang Xiaoyu. By the end of July 2013 she announced her retirement from the international badminton scene and the National badminton team of Malaysia to pursue her A-level studies. As an independent player she joined the AirAsia Badminton Academy in 2014 and resumed her international career. In August 2015 she signed with team Derby in the United Kingdom to participate in England's National Badminton League. In 2016, she was the runner-up at the Bulgarian International tournament in the women's singles and doubles event. In 2017, she won the Iceland International tournament in the women's doubles event, and became the runner-up in the singles event.

Southeast Asian Games
Women's singles

Asian Junior Championships
Girls' singles

Girls' doubles

BWF Grand Prix
The BWF Grand Prix had two levels, the Grand Prix and Grand Prix Gold. It was a series of badminton tournaments sanctioned by the Badminton World Federation (BWF) and played between 2007 and 2017.

Women's singles
 * BWF Grand Prix Gold tournament
 * BWF Grand Prix tournament

BWF International Challenge/Series
Women's singles

Women's doubles
 * BWF International Challenge tournament
 * BWF International Series tournament
 * BWF Future Series tournament