Nik Tszyu

Nikita Tszyu is an Australian professional boxer. He is the son of former world champion boxer Kostya Tszyu and younger brother of boxer Tim Tszyu.

Early life 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. His father, Kostya, is a former undisputed light-welterweight champion and his brother, Tim, is also a professional boxer. After winning the junior national championship on occasions, Tszyu quit boxing at the age of 16 to focus on his schooling. Following high school graduation at Newington College in 2015, 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.

Professional boxing career 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. His professional debut took place almost exactly 30 years after his father's first professional fight.

Tszyu faced Mason Smith on 11 May 2022. He won the bout via technical knockout in the first round. He 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. He faced Bo Belbin on 12 March 2023, winning 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. He faced Jack Brubaker on 24 August 2023, winnr the bout via technical knockout in the sixth round.

Tszyu defeated Dylan Biggs on 22 November 2023 to win the Australian super-welterweight title. He was scheduled to defend his Australian super-welterweight title against Danilo Creati on 24 April 2024 in Sydney, Australia. He won the fight by unanimous decision.

Tszyu was then scheduled to face Koen Mazoudier in Sydney, Australia on August 28, 2024 for the vacant IBF Australasian and WBO Inter-Continental super welterweight titles. He won by technical knockout in the ninth round after a fierce back-and-forth fight.

He fought Michael Zerafa for the vacant WBO International middleweight title at Brisbane Entertainment Centre in Brisbane, Australia, on 16 January 2026. The bout ended in a no contest after it was stopped in the third round due to Zerafa repeatedly telling the ringside doctor that he could not see due to a cut caused by an accidental clash of heads which took place in the previous round.

On 6 May 2026, Tszyu won the vacant WBO International super-welterweight title when his opponent, the previously undefeated Oscar Diaz, retired at the end of the sixth round of their fight at Newcastle Entertainment Centre in Newcastle, Australia.

He fought Ben Mahoney in an eliminator for a shot at the IBF super-welterweight title at the Gold Coast Convention and Exhibition Centre in Broadbeach, Queensland, on 26 August 2026. The bout ended in a split draw with one ringside judge seeing it 117–113 for Tszyu, one favouring Mahoney 115–113 and the third ruling the contest a 114–114 tie.

Professional boxing record