Win probability

Thursday, 16 July 2026

10 matches selected · 4 tournaments · model last ran 19:50 UTC

Umpiry rates 10 matches on Thursday, 16 July 2026. The closest is Panna Udvardy v Katarzyna Kawa at 53 % — the model’s most uncertain call of the day. The most one-sided is Casper Ruud v Jaime Faria at 78 %. Probabilities come from a per-tour model trained on Elo, surface Elo, recent serve and return form and layoff.

Rated matches · ordered closest first
TimeTournamentRoundMatchProbabilityVerdictH2H
17:45Iasi
WTA · clay
R16Udvardy P.Kawa K.53 %47 %Toss-up2–2
16:40Umag
ATP · clay
QFUgo Carabelli C.Burruchaga R.54 %46 %Toss-up3–4
08:40Gstaad
ATP · clay
R16Cerundolo J.Kecmanovic M.54 %46 %Toss-up2–0
14:10Umag
ATP · clay
QFMerida Aguilar D.Droguet T.54 %46 %Toss-up4–1
18:15Bastad
ATP · clay
R16Baez S.De Jong J.56 %44 %Toss-up2–0
10:05Iasi
WTA · clay
R16Quevedo K.Sherif M.66 %34 %Slight edge0–1
20:05Umag
ATP · clay
QFDavidovich Fokina A.Molcan A.75 %25 %Clear favourite0–1
12:10Bastad
ATP · clay
R16Rublev A.Pellegrino A.76 %24 %Clear favourite1–0
16:10Umag
ATP · clay
QFArnaldi M.Dzumhur D.78 %22 %Clear favourite1–1
11:05Gstaad
ATP · clay
R16Ruud C.Faria J.78 %22 %Clear favourite2–0

How to read this

Each row gives the model’s probability that the favourite wins, and the verdict says the same thing in words. Rows are ordered by how close the model thinks the match is, so the top of the table is where it is least sure. A 70 % favourite losing is not a broken model — it is the 30 %. Probabilities are not odds and take no account of any market.

How often the model has been right

Umpiry win-probability model accuracy by tour family, measured on the predictions the model made
TourCorrect
ATP / WTA66 %
Challenger (men)64 %
Challenger (women)68 %
ITF (men)66 %
ITF (women)64 %

Measured on the predictions the model actually made, not on a backtest — see Methodology.

Yesterday

Wednesday, 15 July 2026 · 12 matches

Favourites won

7 / 12

Model expected

7.4

The model expected 7.4 favourites to win; 7 did. See yesterday’s page.

Biggest shock, last 7 days

15 Jul
Pozoblanco
CHALLENGER · hard
R16

Surprise score

90

Questions

How is the probability calculated?
A separate model for each tour, trained on Elo, surface-specific Elo, recent serve and return form and time since the player’s last match. It runs several times a day; the time of the last run is at the top of this page.
How often is the model right?
We publish it. The table above gives the hit rate for each tour family, measured on the predictions the model actually made — see Methodology for how it is computed.
Why are the closest matches at the top?
Rows are ordered by distance from 50 %, so the table opens where the model is least sure. “Most one-sided” reverses the order and groups the rows by tournament.
Is this a betting tip?
No. The page shows a model’s probability and how often that model has been right. There are no odds, no comparison with a market and no suggested stake.