Zuffa Boxing’s first show in the UK, featuring Chris Billam-Smith, appears set to go ahead on Saturday despite legal action from rival promoter Boxxer.

Former WBO cruiserweight champion Billam-Smith is scheduled to fight Canadian Ryan Rozicki at the Bournemouth International Centre as the headline bout, with fellow Britons Jack Massey and Sam Hickey both on the undercard.

The event is due to be shown on Sky Sports, but promoter Boxxer claims to have contractual rights involving fighters on the bill and says they are appearing without “consent or authorisation”.

BBC Sport understands that Zuffa does not accept the claims by Boxxer and plans to proceed with the event as planned.

“Boxxer can confirm it is seeking urgent injunctive relief against Zuffa Boxing and Sky Sports concerning the promotion and proposed participation of fighters who remain subject to binding contractual obligations to Boxxer,” said a statement from Boxxer.

“Boxxer have ensured that all parties involved are fully aware of the contractual obligations owed to Boxxer by the fighters being promoted for Saturday’s event. Despite this, those fighters continue to be advertised and promoted without Boxxer’s consent.

“As a result of the conduct it has witnessed in recent months, Boxxer has been left with no option but to seek further relief from the English courts.”

Zuffa Boxing, which was founded by UFC president Dana White and backed by Saudi Arabian funding, is looking to rival the sport’s established promoters.

Billam-Smith signed a multi-fight deal with Zuffa Boxing in April after previously being promoted by Ben Shalom’s Boxxer.