(October 12th) Unified world light heavyweight champion Dmitry Bivol will put his Ring Championship, WBA, IBF and WBO world titles on the line against mandatory challenger Callum Smith on Saturday, December 12, 2026, in a high-stakes showdown in Yekaterinburg, Russia. Promoted by RCC Boxing in partnership with Matchroom Boxing, the championship clash is scheduled to take place at UMMC Arena, with the action expected to be broadcast live globally on DAZN. The matchup pits one of boxing’s most accomplished technicians against a former super middleweight world champion determined to capture a world title in a second weight division.

Bivol (25-1, 12 KOs), 35, returns following a unanimous decision victory over Germany’s Michael Eifert on May 30, 2026. Fighting for the first time since undergoing back surgery, the Russian champion delivered a commanding performance in his return to the ring. His victory over Eifert followed his February 2025 majority decision triumph over Artur Beterbiev, a result that avenged the only defeat of Bivol’s professional career and secured the undisputed light heavyweight championship at that time. Bivol has since vacated the WBC title, which will not be at stake against Smith.

Widely regarded as one of boxing’s most technically accomplished fighters, Bivol has built his reputation on exceptional footwork, precise combination punching, disciplined defense and an ability to control the pace of championship contests. The Russian champion will look to draw on those strengths as he prepares to face a physically imposing challenger determined to establish himself among the sport’s elite at 175 pounds.

Smith (31-2, 22 KOs), known as “Mundo,” enters the contest seeking to become a world champion in a second weight division. The 36-year-old British contender established himself among the leading fighters at super middleweight, capturing the WBA world championship and The Ring title with a seventh-round knockout of George Groves in September 2018. Smith also won the World Boxing Super Series super middleweight tournament, further strengthening his credentials as a world-class competitor.

Smith secured his opportunity against Bivol by defeating fellow Briton Joshua Buatsi via unanimous decision in February 2025, capturing the WBO interim light heavyweight title and establishing himself as the organization’s mandatory challenger. The victory earned Smith the opportunity to challenge for a full world championship and marked a significant milestone in his transition to the 175-pound division. His two professional defeats came against Canelo Alvarez in December 2020 and Beterbiev in January 2024.

The matchup presents an intriguing contrast in styles and physical attributes. Bivol, standing six feet tall with a 72-inch reach, is known for his balance, timing and ability to neutralize opponents through intelligent movement and sustained technical pressure. Smith, at six feet three inches with a 78-inch reach, brings a considerable height and reach advantage, along with significant punching power and extensive experience in high-profile championship contests. His ability to establish distance and make effective use of his physical advantages could prove crucial against a champion renowned for his defensive discipline and ring generalship.

The fighters’ records against common opponents provide additional context ahead of the championship encounter. Bivol defeated Alvarez by unanimous decision in May 2022 and subsequently avenged his first meeting with Beterbiev by winning their February 2025 rematch. Smith, meanwhile, lost to Alvarez by unanimous decision before suffering a seventh-round technical knockout defeat to Beterbiev. Although those results offer an interesting comparison, the December contest will ultimately be determined by the fighters’ preparation, tactics and execution on fight night.

The event is also expected to feature additional professional bouts, with former IBF junior middleweight world champion Bakhram Murtazaliev reported as a potential undercard participant. However, his opponent and the remaining undercard matchups have not been independently confirmed. The final fight card and any additional championship contests are expected to be announced by the organizers.

UMMC Arena in Yekaterinburg will host the December 12 event, with the program listed to begin at approximately 5 p.m. local time. Tickets have been listed through Kassir, a Russian ticketing platform associated with RCC events, with availability and prices dependent on seating category. Fans should consult the recognized ticketing platform and official event announcements for current availability, pricing and any changes to the schedule.

For Bivol, the assignment represents another important defense as he seeks to consolidate his position at the top of the light heavyweight division and continue his championship reign. For Smith, it is an opportunity to capture a full world championship in a second weight class, overcome one of boxing’s most accomplished technicians and deliver the defining victory of his professional career.

With Bivol’s Ring championship and WBA, IBF and WBO world titles at stake, the December 12 showdown promises a compelling meeting between two proven world-level fighters with contrasting strengths and ambitions. Bivol will aim to demonstrate once again why he remains one of boxing’s leading light heavyweights, while Smith travels to Russia determined to seize his opportunity and claim a place among the sport’s two-division world champions.

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RCC Boxing Promotions is a Yekaterinburg-based Russian boxing promoter founded in 2016 by the Russian Copper Company and Titov Boxing Promotions. Led by veteran promoter and CEO German Titov, the company stages professional boxing cards and world-title fights in Russia. RCC has promoted several Dmitry Bivol appearances in Yekaterinburg and is organizing his December 12, 2026, championship defense against Callum Smith.

About Matchroom Boxing

After the success of snooker in the 1980s, Matchroom Sport moved into boxing with two small hall shows followed by Frank Bruno v Joe Bugner at Tottenham Hotspur’s ground – the biggest boxing event of 1987. That launched the company into the boxing big-time, a position it has maintained ever since.

Through the 1990s Matchroom Sport’s boxing roster featured many of the biggest names in the sport including Lennox Lewis, Nigel Benn, Chris Eubank, Steve Collins and Naseem Hamed, all in world title fights and it continues to work with some of the biggest names in UK boxing including Audley Harrison, the 2000 Olympic Super-Heavyweight gold medalist.

Over the years, Matchroom Sport has built up long-standing relationships with broadcasters around the world and with the advent of the Prizefighter phenomenon, the company’s boxing division has never been in a stronger position.

From fantastic six round scraps between the sport’s journeymen, up to multi-million-dollar World Championship contests featuring the above fighters, the Pro Box series has it all. Each show is packed with the very best in boxing action in a series that encompasses almost 25 years of Matchroom Sport’s commitment to bringing the highest quality to the global television market.