Andy Murray has said he feels sorry for innocent players being accused of match-fixing but believes more accountability is the only way to root out corruption.

BBC Sport has published a fresh claim from an unnamed South American tennis player which detailed how matches are allegedly rigged and how criminals try to avoid detection.

Roger Federer will only believe accusations of widespread match-fixing in tennis when the perpetrators are named.

Tennis authorities have rejected claims they deliberately suppressed evidence of widespread match-fixing at the top level of the sport.

Charges include criminal association aimed at sports fraud, with some linked to Mafia organisations – in particular to the ’ndrangheta organised crime syndicate.

A former Premier League striker has been jailed for two-and-a-half years after becoming the highest-profile player to be convicted of match-fixing allegations.

The FAI will today open a confidential telephone line as part of its increased vigilance to protect the integrity of football in Ireland.