What is the Reverse Martingale Strategy? To understand the reverse Martingale roulette strategy, you first need to understand the Martingale strategy. In this popular roulette betting system, you double down on losses until you eventually win. The math works; สูตรสล็อต (https://pgsgame168.com/formula-slot/) eventually, you win back all you have lost and your original stake. Both versions of the Martingale only work on even money bets like red/black in roulette. Make sure you place your bets accordingly when you use the reverse Martingale.