Nadieżda "Nadia" Zięba (born 21 May 1984) is a Polish retired badminton player of Belarusian origin. She won the mixed doubles gold medal at the 2012 European Championships. Zięba was three times mixed doubles quarter finalists in the badminton at the Summer Olympics.

Career

Kostiuczyk played the 2007 BWF World Championships in mixed doubles with Robert Mateusiak. They were defeated in quarterfinals by Zheng Bo and Gao Ling of China, 16–21, 17–21. She also played women's doubles with Kamila Augustyn and lost in the first round. They won the silver medal at the 2008 European Championships. At the Belarusian National Badminton Championships she won 7 titles.

Achievements

European Championships

Mixed doubles

European Junior Championships

Girls' doubles

BWF Superseries

The BWF Superseries, which was launched on 14 December 2006 and implemented in 2007, was a series of elite badminton tournaments, sanctioned by the Badminton World Federation (BWF). BWF Superseries levels were Superseries and Superseries Premier. A season of Superseries consisted of twelve tournaments around the world that had been introduced since 2011. Successful players were invited to the Superseries Finals, which were held at the end of each year. Mixed 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. The World Badminton Grand Prix was sanctioned by the International Badminton Federation from 1983 to 2006. Women's doubles Mixed doubles

BWF International Challenge/Series

Women's singles Women's doubles Mixed doubles

Record against selected opponents

Mixed doubles results with Robert Mateusiak against year-end Finals finalists, World Championships semi-finalists, and Olympic quarter-finalists.