Gambling Study: Average Of 23 Professional Tennis Matches Might Be Fixed Each YearIrregular Betting Patterns Suggest Some Nefarious Activity |
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Research into irregular pre-match betting patterns on early round tennis matches in major tournaments suggest that an average of 23 matches might be fixed each year, according to a Monday Bloomberg report.
Suspicious patterns occurred even during Wimbledon, the French and Australian opens.
The study didn’t identify the dates of the games or players involved. Tennis officials declined to comment at this time, the report said. There is currently an integrity unit that investigates possible game manipulation. Nine players have been banned since 2011 thanks to previous investigations.
The Bloomberg report said:
The research analyzed 6,204 first-round matches on the men’s and women’s tour between 2011 and 2013. The study, written by Ryan Rodenberg, an assistant professor of Sports Law at Florida State University, and South Bend, Indiana-based professional tennis gambler Elihu Feustel, was published by the Journal of Prediction Markets. The study tracked betting market prices against the “correct” price determined by two predictive models. The methods use data from previous matches to judge the likelihood of each player winning. In 20 cases, the market price drifted away from one model’s price by between 16 percent and 29 percent before play started, the study found.
It has been estimated that the deviations could have resulted from $100,000 worth of wagering on a lower-ranked player winning their early round match.
The report noted that irregular betting patterns don’t necessarily mean the match was out-right fixed. A number of other actions, albeit still against the rules, such as insiders leaking info about injuries and illnesses, can happen.
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