Underdog odds, which are also called “plus odds,' are a tad simpler to identify as you’ll see them listed at something like “+200.” This number represents the amount you would stand to win if you bet $100. These odds are also maybe the most confusing, but once you have an idea of how the positive and negative odds differ, you’ll have no trouble calculating your payouts.

American OddsĪmerican odds are what you’re going to see at just about every US-based sportsbook, and even plenty in Canada and elsewhere. For an international sport like tennis, that makes it useful to understand how the various types of odds formats compare, and how to understand each of them. Odds displays vary on different sites, and different countries tend to use different formats. In addition to telling you what your payout for a potential bet will be, understanding the odds helps you tailor the size of your bet to achieve a certain payout and even identify whether you’re making a smart bet or not. This is important for a few reasons, and some of them aren’t so obvious. One of the very first requirements is that you learn to understand tennis odds before you get into betting. How to Read Tennis Odds (Comparing the Formats) We’ve put together a definitive tennis betting guide with everything you need to get up to speed, from understanding the odds to the betting markets, top strategies and stats to know. Thankfully The Duel is here to help no matter what side of the aisle you’re on with tennis betting. What does -145 mean? Why are odds sometimes presented as fractions or decimals? What the heck is a prop bet? Spreads and over/unders don’t work the same as they do in a typical team sport like football or basketball, and even reading the final score of a match can be confusing if you don’t know what you’re looking at.Īnd to someone familiar with tennis but unfamiliar with betting, getting into the gambling space can be totally confusing. To someone unfamiliar with tennis, it can seem like one of the most intimidating sports to bet on.

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