The 5 Number Bet - we explain what this is and why you should avoid playing it in roulette. As roulette is a game of pure chance, you need to know the odds of the bets and place the ones with the best chance of success The bets to avoid in this game are probably all single number bets and the five number bet (only found on. John Grochowski explains the single worst wager at roulette, the Five - Number bet. Many players seek to increase their chances of winning at roulette by using roulette systems, but there are two reasons why they don't work. October 16th, at 8: But maybe you want to play it. This little bet has the worst odds in roulette. The N column is the profit percentage. Apr 19, Threads: Top Online Casinos Online Casinos Ranking.