Free tool
UTR estimator
Enter recent match scores and each opponent's UTR. See the approximate UTR level those results point to.
UTR estimator: enter up to 8 recent matches (opponent's UTR and the score) to get an approximate UTR. Each match is worth the opponent's UTR plus or minus what the share of games won predicts; wins over players more than 2.0 lower do not count, as in UTR's own rules.
How UTR is calculated
UTR Sports does not publish its formula, but its Help Center describes how it works. In short:
- A match rating for every match. For each match, the algorithm gives each player a match rating and a match weight. Source
- Games won vs. games expected. The match rating comes from two things: the UTR difference between the players and the percentage of total games each player won. From the UTR difference the algorithm expects a share of games; beat that share and the match rating goes up, even in a loss. Source
- Up to 30 matches, last 12 months. The UTR Rating is the weighted average of up to 30 of the most recent match ratings. Only matches from the last 12 months count. Source
- What makes a match count more. Longer formats get more weight. A bigger UTR difference gets less weight. A more reliable opponent rating gets more weight. Older matches get less weight. Source
- Blowouts are left out. When the UTR difference is more than 2.00 and the higher-rated player wins, the match does not count. If the lower-rated player wins, it counts for both players. Source
- Retirements and walkovers. A match does not count if a player withdraws before it starts, or if it stops before either player wins at least four games. Source
- Tiebreaks. A set tiebreak counts as one game. A 10-point match tiebreak in place of a third set counts as two games (enter it as 1-0). Points inside games and tiebreaks are not used. Source
- Projected until about five matches. After about five matches the rating becomes reliable; before that it shows as projected (P). The algorithm updates once every 24 hours. Source
How this estimator works
UTR does not publish the curve that turns a UTR difference into expected games. We use the same curve as our match predictor and rating impact tools: a player 1.0 UTR higher is expected to win about 76% of the games. It is our assumption, not UTR's number.
- Match rating: the opponent's UTR plus the gap that predicts the share of games your player won. Shares are capped at 5–95%, so a 6-0 6-0 counts as a big but finite gap.
- Weight: best of 3 sets = 100%, 2 sets + match tiebreak 80%, 10-game pro set 70%, 8-game pro set 60% (our weights). Opponents more than 0.5 away from the estimate count a bit less.
- Left out: wins over opponents more than 2.0 lower, and matches where neither player won four games, as UTR describes.
- Not modelled: opponent reliability and match age. Enter recent matches against players with reliable ratings.
Sources
- UTR Sports Help Center: How is the UTR Rating calculated?
- UTR Sports Help Center: FAQ, UTR Rating algorithm
- UTR Sports Help Center: When a match does not count toward a UTR Rating
- UTR Sports Help Center: How to record a tiebreak
- UTR Sports Help Center: Why matches with a UTR difference of more than 2.00 are excluded
Checked October 16, 2026.
Frequently asked questions
How is UTR calculated?
UTR Sports says each match gets a match rating and a match weight. The match rating comes from the UTR difference between the players and the share of total games each one won. Your UTR is the weighted average of up to 30 of your most recent match ratings from the last 12 months. The exact formula is not public.
Can I calculate my exact UTR from my scores?
No. The UTR algorithm is proprietary, and it also uses things this page cannot see: how reliable each opponent's rating is, how old each match is, and up to 30 matches. This estimator gives a ballpark level from the results you enter. Your real UTR is the one on your UTR profile.
How does this UTR estimator work?
For each match it finds the UTR that would predict the share of games your player won against that opponent (the same expected-games curve as our match predictor and rating impact tools). Then it takes a weighted average: longer formats and closer opponents count more, and wins over players more than 2.0 lower are left out, as UTR describes.
Why did a big win not raise the estimate?
UTR leaves out matches where the UTR difference is more than 2.00 and the higher-rated player wins. Those matches still show on a profile but do not count. The estimator does the same, so a 6-0 6-0 win over a much lower-rated player is marked "not counted".
How many matches do I need?
UTR says a rating becomes reliable after about five matches; before that it is shown as projected. The estimator works from one match, but enter five to eight recent results for a steadier number.
How do I enter a match tiebreak?
Type it as the third set, for example "6-4 3-6 10-8" or "6-4 3-6 1-0". UTR counts a 10-point match tiebreak as two games, and the estimator does the same.