The TennisRatings tools and calculators are built for bettors who want to move beyond intuition and headline odds. Each tool is designed to help you quantify value, assess risk, and understand where the market may be mispricing tennis matches — both pre-match and in-play.
These calculators work hand-in-hand with our ratings, modelling outputs, and live analytics, allowing you to validate decisions with numbers rather than opinion.
See what the odds are really saying
Bookmaker odds imply a probability — but that probability is not always obvious at a glance. Our implied probability calculator converts decimal odds into clear percentage probabilities, allowing you to understand the market’s expectation for any player or outcome.
This tool is particularly useful when:
By stripping away bookmaker framing, the implied probability calculator gives you a neutral starting point for value analysis.
Quantify whether a bet is worth taking
Expected value is at the core of long-term profitable betting. The TennisRatings EV calculator allows you to input:
The tool then calculates the expected return for each unit staked, clearly showing whether a bet has positive or negative value.
Use this calculator to:
Over time, consistent positive EV — not win rate — is what determines betting success.
React faster during in-play markets
In-play tennis betting moves quickly, and converting live odds mentally is often impractical. Our live odds conversion tool updates implied probabilities instantly, allowing you to react to:
This tool is designed for traders who need clarity in fast-moving markets, helping you align live prices with in-play model signals and deviation alerts.
Understand pressure points that matter
Not all points are equal in tennis. Break points often decide matches, especially in closely rated contests. The TennisRatings break-point probability estimator analyses:
The result is a clear estimate of how likely a break is to occur in a given game or situation.
This tool is particularly valuable for:
All TennisRatings tools are:
These calculators are not tips. They are decision-support tools — giving bettors the clarity needed to make smarter, more informed choices in tennis betting markets.
