In its first annual report, the Tennis Integrity Unit revealed that it received alerts about suspicious betting on 292 matches in 2016.
The group, which includes six current players, is said to have tried to fix 17 matches.
Wagers poured in for a match between a highly ranked Swiss player and a low-ranked Russian player.
In a first-of-its-kind report, the Tennis Integrity Unit revealed that it received alerts about suspicious betting in 48 matches during the first three months of 2016.
BuzzFeed News has written to the man in charge of tackling match-fixing in tennis in response to a statement from his unit asking for any "hard evidence" to be handed over.
Claims world tennis authorities did not respond to rampant corruption.
The sport's governing bodies have been accused of burying a list of 100 players caught gambling on tennis and scapegoating only five of them.
Global match-fixing evidence found in crime ring's secret files.
The head of the Tennis Integrity Unit told MPs there were 246 suspicious betting alerts on tennis in 2015 alone — seventeen times more than in 2012.
The sports-betting watchdog ESSA flagged 73 suspicious tennis matches in 2015 — more than all other sports combined. Eight of the matches took place in Turkey, the highest count for any country.
There were three times as many suspicious match alerts in tennis last year than in all other sports combined, a report obtained by BuzzFeed News has revealed.
New files show the tennis authorities were urged to launch a "vigorous" investigation into match-fixing evidence — but did nothing.
Betting worth billions. Elite players. Violent threats. Covert messages with Sicilian gamblers. And suspicious matches at Wimbledon. Leaked files expose match-fixing evidence that tennis authorities have kept secret for years.