Nikita Tszyu is a Russian-Australian professional boxer. He is the son of former world champion boxer Kostya Tszyu and brother of Tim Tszyu.^[1]

Tszyu was born in Sydney, New South Wales, to Russian parents. His father Kostya is of ethnic Russian, Korean and Mongolian descent and his mother Natasha Anikina is of ethnic Russian descent.^[2] His father, Kostya, is a former undisputed light-welterweight champion and his brother, Tim, is also a professional boxer.^[3] After winning the junior national championship on occasions,^[4] Tszyu quit boxing at the age of 16 to focus on his schooling. Following high school graduation at Newington College in 2015,^[5] he enrolled in a Bachelor of Architectural Design at the University of Technology Sydney and worked in the industry for multiple years before returning to boxing at the age of 23.^[6]

Tszyu made his professional boxing debut against Aaron Stahl in March 2022 at Nissan Arena in Brisbane and was victorious via technical knockout (TKO) in the second round.^[7] His professional debut took place almost exactly 30 years after his father's first professional fight.^[8]

Tszyu faced Mason Smith on 11 May 2022. He won the bout via technical knockout in the first round.

Tszyu faced Ben Horn on 20 July 2022. He won the bout via unanimous decision

Tszyu faced Darkon Dryden on 8 October 2022. He won the bout via corner retirement in the third round.

Tszyu faced Bo Belbin on 12 March 2023. He won the bout via technical knockout in the fourth round.

Tszyu faced Benjamin Bommber on 24 May 2023. He won the bout via technical knockout in the first round.

Tszyu faced Jack Brubaker on 24 August 2023. He won the bout via technical knockout in the sixth round.^[9]

Tszyu defeated Dylan Biggs on 22 November 2023 to win the Australian super welterweight title.^[10]

Tszyu is scheduled to defend his Australian super welterweight title against Danilo Creati on April 24, 2024 in Sydney, Australia.^[11]