Dutch regulator flags One Casino and bet365 over illegal soccer betting practices

The Dutch gambling watchdog has formally contacted One Casino and bet365 after discovering that both companies briefly offered betting markets that are banned under national law. The Kansspelautoriteit, known as the Ksa, confirmed the action in a statement released on Friday (February 6).

At the center of the issue were wagers tied to soccer matches involving players under the age of 21. Dutch rules strictly prohibit these bets, largely because younger athletes are considered more susceptible to pressure and potential manipulation. Regulators say those risks are high enough that such markets are not allowed under any circumstances.

Dutch regulator flags under-21 soccer betting violations by bet365 and One Casino

The matter came to light during a broader review of betting products offered by licensed operators last year. During that review, the Ksa found that both One Casino and bet365 had listed bets on an under-21 soccer match, putting them in breach of the Wet op de kansspelen, the country’s gambling legislation that governs remote betting.

According to the regulator, the violations were not the result of deliberate policy decisions but of technical and classification failures within each company’s systems. Even so, the Ksa stressed that these explanations do not remove responsibility from the operators involved.

In the case of One Casino, an internal error meant an under-21 fixture was incorrectly labeled as an international friendly. Because of that mislabeling, the betting platform automatically made wagers available to customers. Once the Ksa alerted the operator, One Casino removed the market, canceled the affected bets, and compensated players who had already placed wagers. The company also said it would strengthen internal controls to prevent similar mistakes.

bet365 ran into a comparable problem. A registration issue within its system caused a prohibited under-21 bet to appear on its platform. After questions from the regulator, the company corrected the error, carried out an internal review, and added further automated checks designed to stop unlawful markets from being published again.

The Ksa stressed that licensed operators are expected to ensure compliance at all times. Even when mistakes stem from software or data issues, the regulator said the duty to prevent illegal betting options remains squarely with the provider.

As part of its broader push for integrity in sports betting, the regulator also pointed to updated guidance released in December 2025. The document, titled “Inzet op integriteit”, is intended to help betting companies better assess risks and avoid offering bet types that could undermine fair play or violate Dutch law.

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