Using a system of columns and rows in online Roulette involves betting on larger sections of the table, such as entire rows or columns, to increase the likelihood of winning. Each column and row covers a large number of numbers, offering a 2:1 payout. One strategy is to bet on two out of three columns or rows, increasing your odds of hitting a winning number while balancing risk and reward. Some players also track patterns over time to identify which columns or rows seem "hot," though this doesn't change the game’s inherent randomness. The key is to manage your bankroll effectively and avoid overextending during losing streaks.