Top jockey Kieren Fallon remains suspended from all British racing after failing in his appeal against the Horseracing Regulatory Authority's ban.
Fallon rode three winners in Ireland on Wednesday
The 41-year-old appealed to the HRA board after the ban was imposed when he was charged with conspiracy to defraud.
Fallon, who plans a High Court appeal, said: "Until I have the chance to prove my innocence, it is grossly unfair I am being denied a living in Britain."
As he is licensed in Ireland, Fallon can continue to race outside Britain.
Fellow jockeys Fergal Lynch and Darren Williams, who are charged with a similar offence of conspiring to defraud customers of online betting exchange Betfair, are also banned.
I will now take the matter to the High Court, and beyond if necessary
Williams and Lynch have both lodged appeals, and are awaiting dates for hearings.
They are among a total of 11 people charged by City of London police investigating allegations of race-fixing.
Fallon, a six-time champion jockey, was not at the hearing, which had been adjourned after evidence was submitted on Wednesday.
In a statement, the Irishman said: "I am deeply disappointed by the refusal of the HRA to overturn my suspension from riding in the UK.
"I will now take the matter to the High Court, and beyond if necessary, to reinstate my rights to earn a living in the UK and participate in the sport that I love. "
The HRA revealed Fallon's grounds for appeal were that "the decision had the effect of denying him his right to earn a living, and would also effectively end his career as a leading jockey and is disproportionate and accordingly unlawful".
Fallon and his team also felt "the panel erred in law in declining to take into account any evidence and/or submissions on behalf of the appellant (Fallon) in respect of the underlying criminal charges which were the basis for the HRA's decision to prohibit him".
The HRA said the board was asked by Fallon's representatives to provide written reasons for its decision, and that these would be produced as soon as possible.
Fallon remains banned from British racing until his trial next year, but won three races at Naas in Ireland on Wednesday.
He opened his account on the David Wachman-trained Flamingo Guitar, then added to his tally with a double for Aidan O'Brien on Hitchcock and Savannah.
Any trial in the case is not expected to take place before spring 2007. All three jockeys protest their innocence.
Williams, 27, and Lynch, 28, will receive compensation from the British Horseracing Board for loss of earnings.
The other eight to be charged in connection with the allegations include former racing syndicate director Miles Rodgers, 37, and racehorse trainer Alan Berry, 43.
They will initially appear at City of London Magistrates' Court on Monday 17 July. The case is likely to be sent to either Southwark Crown Court, or the Old Bailey.