A gambler and a casino dealer were each sentenced to 28 weeks in prison on Monday for colluding to rig roulette outcomes at Marina Bay Sands, according to CAN.
Daniel Koh Tze Zhou admitted to violating Singapore’s Casino Control Act after conspiring with two dealers to tilt the odds in his favor, winning S$3,545 (US$2,600) over 192 spins in June 2021.
Inside the Scheme
Dealer Soh Xuan Rong, who also received a 28-week sentence, noticed Koh consistently bet on numbers 32, 15, and 19—adjacent on a roulette wheel. Soh suggested she could influence the ball’s drop to favor that section.
Although dealers can’t precisely control outcomes, skilled manipulation can increase odds in certain wheel zones. To share in the winnings, Soh proposed pooling funds, but Koh offered to pay her $70 each time his numbers hit. Soh agreed and recruited fellow dealer Ting Zhi Ping Marcus.
Caught on Camera
The plan unraveled during routine surveillance by the casino’s security team.
Prosecutors sought harsher sentences, claiming Koh masterminded the scheme. However, his lawyer, Navin Naidu, argued Soh initiated the fraud and exploited her insider role.
“She was the gatekeeper who opened the gates,” Naidu said. “My client was just a player.”
Soh’s lawyer requested leniency, citing remorse and full restitution. Ting will be sentenced separately.
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