Evidence of betting syndicates in Russia and Italy
The BBC and Buzzfeed have released evidence of suspected match fixing at the top level in tennis.
It says 16 players who have ranked in the top 50 have been repeatedly flagged to the tennis integrity unit over suspicions they have thrown matches over the past decade.
The documents allegedly show evidence of betting syndicates in Russia, northern Italy and Sicily making hundreds of thousands of euro, betting on games investigators thought to be fixed.
You can read the report in full here.