The revelations were made just hours before the first major of the year, the Australian Open got underway in Melbourne.
The Association of Tennis Professionals (ATP) denies any suggestion evidence of match-fixing in the sport has been suppressed.
Website BuzzFeed News and the BBC say they've been given secret files containing evidence of match rigging, including by grand slam winners.
According to the report, authorities have been repeatedly warned about 16 players ranked in the top 50 who are suspected of throwing matches.
The players allegedly involved have not been named, and all were allowed to continue competing.
The allegations arose from an ATP investigation completed in 2008.
ATP President Chris Kermode has flatly denied the allegations of a cover up.
And he says there is a zero-tolerance approach to match-fixing and tennis authorities are committed to stamping out corrupt conduct in the sport.
"The Tennis Integrity Unit and the tennis authorities absolutely reject any suggestion that any evidence of match fixing has been suppressed for any reason or isn't being thoroughly investigated. While the BBC and BuzzFeed reports mainly refer to events from about 10 years ago, we will investigate any new information and we always do."
It's alleged the match-fixing was orchestrated by gambling syndicates in Russia and Italy, involved prominent players and included three matches at Wimbledon.
Mr Kermode has acknowledged some degree of match fixing does exist in tennis, as with many sports.
But he insists it's at an incredibly low level.
"Well, like all sports we're all aware of the potential, you know, risk of match fixing in any sport but I'm confident that tennis is a game of huge integrity and the reason I'm confident of that is that in 2008 all the collective governing bodies in tennis got together and actually formed the Tennis Integrity Unit (TIU) which is an independent unit solely responsible for investigating and ultimately prosecuting cases of match fixing."
Tennis authorities introduced a new anti-corruption code in 2009 but after taking legal advice were told previous corruption offences could not be pursued.
The BBC and BuzzFeed News were also given the names of other current players they said the T-I-U has repeatedly been warned about by betting organisations, sports integrity units and professional gamblers.
Mark Phillips is a betting analyst who worked on the original ATP investigation into the claims.
"The evidence that we have gathered for tennis we believe is very strong. There was sort of a group of between 6 and 10 players really who were the main focus of evidence that we'd dug up."
But he told the BBC it appears the investigation went nowhere.
"As far as we know nothing happened with the evidence that we presented, certainly none of the players that we had concerns about faced disciplinary action from the TIU in the next year or two. We were a bit disappointed really. We were happy with the work we'd done, we believe that the evidence that we had presented to the TIU were strong enough to take these cases through to a successful disciplinary hearing from the TIU's perspective and so it was disappointing for seemingly nothing to have taken place after that."
