Nadieżda Zięba

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 Badminton Championships. At the Belarusian National Badminton Championships she won 7 titles.

BWF Superseries

The BWF Superseries, launched on December 14, 2006 and implemented in 2007,is a series of elite badminton tournaments, sanctioned by Badminton World Federation (BWF). BWF Superseries has two level such as Superseries and Superseries Premier. A season of Superseries features twelve tournaments around the world, which introduced since 2011, with successful players invited to the Superseries Finals held at the year end.

Mixed Doubles

Year	Tournament	Partner	Opponent	Score	Result
2010	Indonesia Open	Robert Mateusiak	Hendra Setiawan Anastasia Russkikh	21–18, 22–20	01 ! Winner
2009	Hong Kong Open	Robert Mateusiak	Nova Widianto Liliyana Natsir	22-20, 21-16	01 ! Winner

     BWF Superseries Finals tournament

     BWF Superseries Premier tournament

     BWF Superseries tournament

BWF Grand Prix

The BWF Grand Prix has two level such as Grand Prix and Grand Prix Gold. It is a series of badminton tournaments, sanctioned by Badminton World Federation (BWF) since 2007.

Mixed Doubles

Year	Tournament	Partner	Opponent	Score	Result
2016	U.S. Open	Robert Mateusiak	Yugo Kobayashi Wakana Nagahara	18–21, 14–21	02 ! Runner-up
2015	Bitburger Open	Robert Mateusiak	Chris Adcock Gabrielle Adcock	21–18, 21–17	01 ! Winner
2012	Bitburger Open	Robert Mateusiak	Anders Kristiansen Julie Houmann	11–21, 16–21	02 ! Runner-up
2007	Russian Open	Robert Mateusiak	He Hanbin Yu Yanng	25–23, 13–21, 21–13	01 ! Winner

     BWF Grand Prix Gold tournament

     BWF Grand Prix tournament

BWF International Challenge/Series

Women's Doubles

Year	Tournament	Partner	Opponent	Score	Result
2007	Polish Open	Kamila Augustyn	Christinna Pedersen Mie Schjøtt-Kristensen	21–17, 21–14	01 ! Winner

Mixed Doubles

Year	Tournament	Partner	Opponent	Score	Result
2017	Polish International	Robert Mateusiak	Tseng Min-hao Hu Ling-fang	20-22, 22-20, 21-13	01 ! Winner
2016	Welsh International	Robert Mateusiak	Goh Soon Huat Lai Shevon Jemie	21-16, 11-21, 21-18	01 ! Winner
2016	Polish Open	Robert Mateusiak	Tan Kian Meng Lai Pei Jing	21-11, 21-16	01 ! Winner
2016	Swedish Masters	Robert Mateusiak	Mathias Christiansen Lena Grebak	21-10, 21-13	01 ! Winner
2015	Mersin Turkey International	Robert Mateusiak	Matthew Chau Gronya Somerville	21-12, 21-13	01 ! Winner
2015	Irish Open	Robert Mateusiak	Mathias Christiansen Lena Grebak	21-19, 18-21, 18-21	02 ! Runner-up
2015	Bulgarian International	Robert Mateusiak	Evgenij Dremin Evgenia Dimova	21-14, 21-18	01 ! Winner
2015	Belgian International	Robert Mateusiak	Jonathan Nordh Emelie Fabbeke	15–21, 21–6, 21–8	01 ! Winner
2015	Kharkiv International	Robert Mateusiak	Gaetan Mittelheisser Audrey Fontaine	21–14, 21–14	01 ! Winner
2015	Lagos International	Robert Mateusiak	Tarun Kona N. Sikki Reddy	21–19, 21–7	01 ! Winner
2015	White Nights	Robert Mateusiak	Sam Magee Chloe Magee	18-21, 17-21	02 ! Runner-up
2013	Polish Open	Robert Mateusiak	Wojciech Szkudlarczyk Agnieszka Wojtkowska	15-21, 21-16, 21-14	01 ! Winner
2012	Dutch International	Robert Mateusiak	Andrej Ashmarin Anastasia Panushkina	21–10, 21–19	01 ! Winner
2011	Polish Open	Robert Mateusiak	Rafal Hawel Kamila Augustyn	21-13, 21-17	01 ! Winner
2009	Bulgarian International	Robert Mateusiak	Adam Cwalina Malgorzata Kurdelska	21–18, 21–9	01 ! Winner
2007	Polish Open	Robert Mateusiak	Tim Dettmann Annekatrin Lillie	21–19, 17–21, 21–19	01 ! Winner

     BWF International Challenge tournament

     BWF International Series tournament

     BWF Future Series tournament

Mixed doubles results with Robert Mateusiak against Super Series finalists, Worlds semi-finalists, and Olympic quarter-finalists.