singapore prize 4dThere are 23 winning 4D numbers, and if you’ve placed a bet on any one of them, you win a prize. The prize tables provided by Singapore Pools calculate the prize amountSingapore Pools 4D. To play 4D, select a four-dit number from 0000 to 9999. The minimum cost is $1, inclusive of GST. Draws take place every Wednesday, Saturday and Sunday at 6.30pm.