Timofei Konstantinovich Tszyu (, born 2 November 1994) is an Australian professional boxer who held the World Boxing Organization (WBO) light-middleweight title from 2023 to 2024. He is the son of former light-welterweight world champion Kostya Tszyu and the older brother of Nikita Tszyu.

Early life Tszyu was born in Sydney, New South Wales, to Russian parents. His father Kostya Tszyu is of ethnic Russian, Korean and Mongolian descent and his mother Natasha Anikina is of ethnic Russian descent.Kostya: an Aussie fight icon Retrieved 5 July 2019. His father, Kostya, is a former undisputed light-welterweight champion who was inducted into the International Boxing Hall of Fame in 2011. Tim's first sporting interest began to develop at the age of six when enrolled in gymnastics and later switched sports to association football at the age of 10.Like father, like son -- Tim Tszyu wants multiple titles, Hall of Fame nod Retrieved 20 January 2019. As a soccer player, he was selected to play for multiple local representative teamsFight News Interview: Tim Tszyu Retrieved 24 August 2020. but his interest in the sport began to wane at the age of 13 when he temporarily relocated to Moscow with his family for a few months before returning to Sydney. At the age of 15, Tszyu decided to quit football and began pursuing a career in boxing. He attended St George Christian School and Newington College throughout his teenage years and enrolled in a business degree at the University of Technology Sydney following high school graduation.You can’t deny what’s in your blood Retrieved 13 July 2018. His brother, Nikita, is also a professional boxer.

Tszyu amassed an amateur boxing record of 33–1 before turning professional in 2016 at the age of 22.Tim Tsyzu shows boxing is well and truly in his genes with TKO victory Retrieved 1 August 2020.

Professional career

Early career After being away from the sport for four years due to a hand injury, Tszyu made his professional debut in December 2016 when he defeated Zorran Cassidy by unanimous decision (UD) at the Sydney Cricket Ground.Son still has much to learn about boxing, says Kostya Tszyu Retrieved 17 November 2019.

Tszyu won the WBC-ABCO Continental light-middleweight title in his seventh bout, with a UD over Wade Ryan.

In November 2019, Tszyu defeated Jack Brubaker by technical knockout (TKO) in the fourth round.

Rise up the ranks Tszyu vs. Horn On 26 August 2020, Tszyu defeated former WBO welterweight champion Jeff Horn via eighth-round corner stoppage at the Queensland Country Bank Stadium.

Tszyu vs. Hogan On 31 March 2021, Tszyu, ranked #9 by The Ring, #1 by the WBO, #3 by the IBF, #7 by the WBA and #11 by the WBC fought Dennis Hogan who was ranked #10 by the WBC. Tszyu beat Hogan via a fifth-round TKO.

Tszyu vs. Spark In his next bout, Tszyu fought and defeated Steve Spark via a third-round TKO.

Tszyu vs. Inoue In his next bout, Tszyu fought and defeated a very resilient Takeshi Inoue, with a convincing unanimous decision win, winning on all three scorecards, 120-107, 120-107 and 119-108.

Tszyu vs. Gausha In his next bout, Tszyu defeated 2012 Olympian Terrell Gausha in his first fight in America at The Armory in Minneapolis. After suffering a first round knockdown, Tszyu recovered and dominated from the 2nd round to win convincingly by unanimous decision, 114-113, 116-111 and 115-112.

WBO interim light-middleweight champion Tszyu vs. Harrison On 22 January 2023 it was announced Tszyu would take on former WBC 154-lb champion Tony Harrison for the WBO interim junior middleweight title on 12 March in Australia. He won the fight by 9th round TKO.

Tszyu vs. Ocampo On 18 June 2023, Tszyu made the first defense of his WBO interim junior middleweight title against Carlos Ocampo. He won the fight by a 87 second 1st round KO.

WBO light-middleweight champion Tszyu vs. Mendoza On October 15, 2023 Tszyu defeated Brian Mendoza to defend his WBO junior middleweight. He was elevated to a full champion once Jermell Charlo faced Canelo Alvarez inside the ring for his undisputed super middleweight title on September 30, 2023.

Tszyu vs. Fundora On March 30, 2024 at T-Mobile Arena in Las Vegas, Tszyu was scheduled to face former champion Keith Thurman. The fight was set at a catchweight of 155 lbs. On March 18, 2024 it was announced that Thurman suffered injury in training and withdrew. He was replaced by former interim WBC 154-pound champion Sebastian Fundora in the 12-round bout for Tszyu's WBO super welterweight title and vacant WBC title. Fundora won the fight by split decision.

Post-title career Tszyu vs. Ortiz Jr Tszyu was scheduled to face Vergil Ortiz Jr. on August 3, 2024 at BMO Stadium in Los Angeles. On May 30, 2024 it was announced that the fight was canceled on medical advice, with Tszyu requiring more time to heal from the injury sustained in his previous bout against Fundora.

Tszyu vs. Murtazaliev Tszyu was expected to make his ring return on September 22, 2024 in Australia, battling it out in the IBF super welterweight title eliminator. On September 3, 2024, it was announced that Tszyu would challenge Bakhram Murtazaliev for his IBF super welterweight title on October 19, 2024 in Orlando, FL. Tszyu lost by third-round stoppage in a fight where he was knocked to the canvas four times before his corner threw in the towel to end the contest.

Tszyu vs. Spencer Tszyu defeated Joseph Spencer in a super welterweight bout at Newcastle Entertainment Centre in Broadmeadow, NSW, Australia on April 6, 2025.

Tszyu vs. Fundora 2 In a rematch from the previous year, Tszyu challenged WBC super-welterweight champion Sebastian Fundora at the MGM Grand Garden Arena, Paradise, Nevada, USA, on 19 July 2025. He lost the fight when he retired at the end of the seventh round.

Tszyu vs. Velazquez On 17 December 2025 at the TikTok Entertainment Centre in Sydney, Australia, Tszyu defeated Anthony Velazquez over 10 rounds via unanimous decision.

Tszyu vs. Nurja Tszyu won the vacant WBO international middleweight title with a unanimous decision success over Denis Nurja at Wollongong Entertainment Centre in Wollongong, Australia, on 4 April 2026.

Tszyu vs. Spence Tszyu defeated former unified welterweight champion Errol Spence Jr. by Unanimous Decision on the 25 July 2026 in Australia.

Professional boxing record

ResultRecordOpponentTypeRound, timeDateLocationNotes31Win28–3Errol Spence Jr.UD1226 Jul 202630Win27–3Denis NurjaUD104 Apr 202629Win26–3Anthony VelazquezUD1017 Dec 202528Loss25–3Sebastian FundoraRTD7 (12), 19 Jul 202527Win25–2Joseph SpencerTKO4 (10), 6 Apr 202526Loss24–2Bakhram MurtazalievTKO3 (12), 19 Oct 202425Loss24–1Sebastian Fundora1230 Mar 202424Win24–0Brian MendozaUD1215 Oct 202323Win23–0Carlos OcampoKO1 (12), 18 Jun 202322Win22–0Tony HarrisonTKO9 (12), 12 Mar 202321Win21–0Terrell GaushaUD1226 Mar 202220Win20–0Takeshi InoueUD1217 Nov 202119Win19–0Steve SparkTKO3 (10), 7 Jul 202118Win18–0Dennis HoganTKO5 (10), 31 Mar 202117Win17–0Bowyn MorganTKO1 (10), 16 Dec 202016Win16–0Jeff HornRTD8 (10), 26 Aug 202015Win15–0Jack BrubakerTKO4 (12), 6 Dec 201914Win14–0Dwight RitchieUD1014 Aug 201913Win13–0Joel CamilleriUD1015 May 201912Win12–0Denton VassellTKO2 (10), 8 Feb 201911Win11–0Marcos Jesus CornejoTKO1 (10), 8 Sep 201810Win10–0Stevie Ongen Ferdinandus1 (10), 3 Aug 20189Win9–0Larry SiwuTKO4 (10), 24 May 20188Win8–0Ruben WebsterTKO5 (6), 7 Apr 20187Win7–0Wade RyanUD1022 Oct 20176Win6–0Christopher Khan TKO2 (5), 22 Jul 20175Win5–0Adam Fitzsimmons3 (6), 22 May 20174Win4–0Ivana SiauTKO2 (4), 6 May 20173Win3–0Ben NelsonTKO3 (4), 8 Apr 20172Win2–0Mark Dalby3 (4), 3 Feb 20171Win1–0Zorran Cassady617 Dec 2016

See also Notable boxing families List of world light-middleweight boxing champions

References

External links

Tim Tszyu - Profile, News Archive & Current Rankings at Box.Live