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Roma v Fiorentina — Prediction, Odds & Stats

Monday 24 August 2026 · ITA-Serie A · 2627

Serie A xG Prediction generated

4–0
3.78 – 0.29 xG
Shots
17 – 9
On target
8 – 4
Shots in box
12 – 3
xG per shot
0.22 – 0.03
Set-piece xG
0.05 – 0.09
Goals − xG
+0.22 – -0.29

AI prediction

ai-blend-oos No snapshot has been taken for this fixture yet; this is the stored price.
Roma win
59.9%
Draw
22.7%
Fiorentina win
17.4%

Probabilities, not certainties. How they are made: the methodology.

Was this pick made in advance?
A model whose name ends -oos is out of sample: it was fitted only on matches played before this one, so its pick is a genuine forecast rather than hindsight. Anything without that suffix was fitted on all available data.

What the chances say

Roma are conceding fewer than expected — 2.6 goals saved beyond what the chances suggest.

WDWWWWWWWW last 10 scored 27 from 27.0 xG conceded 4 from 6.6 xG

Fiorentina are finishing below their chances — 3.8 goals fewer than expected across 10 matches, despite creating the openings. They are also conceding fewer than expected — 2.1 goals saved beyond what the chances suggest.

WDDLDWDLLL last 10 scored 6 from 9.8 xG conceded 15 from 17.1 xG

Finishing swings far more than chance creation, so a gap this size usually narrows. Over ten matches it is suggestive, not settled — a genuinely elite finisher beats expected goals for years.

What the model said

ModelHome / Draw / Away Expected goalsLikeliest score O2.5BTTSOutcome
ai-blend-oos 1.78–0.84 0% 0% 0% Home ✓
dc-xg-oos 1.91–0.96 1-0 11% 55% 52% Home ✓

A model whose name ends -oos was produced by the walk-forward backtest: it was fitted only on matches played before this one, so the pick is genuinely out of sample.

Reading the xG timeline
Each step up is a shot; the height of the step is how good the chance was. Dots mark goals. A side whose line climbs steadily created chances all match. A side that scored while its line stayed flat took a rare chance — that is finishing luck, and it rarely repeats.

Expected goals by minute

0.01.12.13.24.20'15'30'45'60'75'90'Donyell Malen 26' — goalDonyell Malen 51' — goalDonyell Malen 59' — goalNiccolò Pisilli 85' — goal
Roma 3.78 xGFiorentina 0.29 xG
Reading the shot map
Each circle is a shot, placed where it was taken. Bigger means a better chance; filled circles are goals. Clusters near the goal mean a side worked good openings; lots of small circles far out means shooting from poor positions and hoping. Hover any circle for the player, minute and chance quality.

Shot map

Paulo Dybala 3' — Saved Shot (0.04 xG, Open Play)Paulo Dybala 5' — Missed Shot (0.05 xG, Open Play)Marco Brescianini 11' — Saved Shot (0.02 xG, Open Play)Paulo Dybala 13' — Missed Shot (0.04 xG, Open Play)Rodrigo Mora 18' — Saved Shot (0.05 xG, Open Play)Evan Ndicka 19' — Missed Shot (0.45 xG, Open Play)Emanuele Lulli 24' — Missed Shot (0.06 xG, Open Play)Donyell Malen 26' — Goal (0.59 xG, Open Play)Paulo Dybala 30' — Blocked Shot (0.05 xG, Direct Freekick)Donyell Malen 31' — Blocked Shot (0.10 xG, Open Play)Cher Ndour 39' — Saved Shot (0.02 xG, Open Play)Rodrigo Mora 40' — Saved Shot (0.03 xG, Open Play)Franco Mastantuono 49' — Missed Shot (0.04 xG, Direct Freekick)Donyell Malen 51' — Goal (0.09 xG, Open Play)Cher Ndour 53' — Missed Shot (0.05 xG, Open Play)Donyell Malen 57' — Missed Shot (0.05 xG, Open Play)Donyell Malen 59' — Goal (0.83 xG, Open Play)Christ Inao Oulaï 66' — Missed Shot (0.02 xG, From Corner)Moise Kean 70' — Saved Shot (0.11 xG, Open Play)Dodô 71' — Missed Shot (0.01 xG, From Corner)Moise Kean 72' — Saved Shot (0.02 xG, Open Play)Radu Dragusin 80' — Missed Shot (0.02 xG, Set Piece)Santiago Castro 83' — Missed Shot (0.12 xG, Open Play)Matìas Soulè Malvano 84' — Saved Shot (0.46 xG, Open Play)Niccolò Pisilli 85' — Goal (0.65 xG, Open Play)Matìas Soulè Malvano 91' — Blocked Shot (0.10 xG, Open Play)
Roma attacking right Fiorentina attacking left Marker size is xG; filled markers are goals.

Every shot

MinTeamPlayerxG SituationBody partResultAssisted by
3' Roma Paulo Dybala 0.04 Open Play Left Foot Saved Shot Rodrigo Mora
5' Roma Paulo Dybala 0.05 Open Play Left Foot Missed Shot Donyell Malen
11' Fiorentina Marco Brescianini 0.02 Open Play Left Foot Saved Shot Arthur Atta
13' Roma Paulo Dybala 0.04 Open Play Left Foot Missed Shot Wesley
18' Roma Rodrigo Mora 0.05 Open Play Right Foot Saved Shot Wesley
19' Roma Evan Ndicka 0.45 Open Play Missed Shot Paulo Dybala
24' Roma Emanuele Lulli 0.06 Open Play Missed Shot Wesley
26' Roma Donyell Malen 0.59 Open Play Left Foot Goal Paulo Dybala
30' Roma Paulo Dybala 0.05 Direct Freekick Left Foot Blocked Shot
31' Roma Donyell Malen 0.10 Open Play Right Foot Blocked Shot Gianluca Mancini
39' Fiorentina Cher Ndour 0.02 Open Play Right Foot Saved Shot Mateo Pellegrino
40' Roma Rodrigo Mora 0.03 Open Play Right Foot Saved Shot Kouadio Kone
49' Fiorentina Franco Mastantuono 0.04 Direct Freekick Left Foot Missed Shot
51' Roma Donyell Malen 0.09 Open Play Left Foot Goal Paulo Dybala
53' Fiorentina Cher Ndour 0.05 Open Play Missed Shot João Mário
57' Roma Donyell Malen 0.05 Open Play Right Foot Missed Shot Bryan Cristante
59' Roma Donyell Malen 0.83 Open Play Right Foot Goal Paulo Dybala
66' Fiorentina Christ Inao Oulaï 0.02 From Corner Right Foot Missed Shot
70' Fiorentina Moise Kean 0.11 Open Play Right Foot Saved Shot Alejandro Jiménez
71' Fiorentina Dodô 0.01 From Corner Right Foot Missed Shot
72' Fiorentina Moise Kean 0.02 Open Play Right Foot Saved Shot
80' Fiorentina Radu Dragusin 0.02 Set Piece Missed Shot Cher Ndour
83' Roma Santiago Castro 0.12 Open Play Left Foot Missed Shot Niccolò Pisilli
84' Roma Matìas Soulè Malvano 0.46 Open Play Left Foot Saved Shot Gianluca Mancini
85' Roma Niccolò Pisilli 0.65 Open Play Right Foot Goal
91' Roma Matìas Soulè Malvano 0.10 Open Play Left Foot Blocked Shot Emanuele Lulli

Players

Fiorentina

PlayerMinGA ShKPxGxA xGChain
Cher Ndour MC 90 0 0 2 1 0.06 0.02 0.17
Radu Dragusin DC 90 0 0 1 0 0.02 0.00 0.02
Dodô DR 90 0 0 1 0 0.01 0.00 0.02
Mateo Pellegrino FW 90 0 0 0 1 0.00 0.02 0.02
David de Gea GK 90 0 0 0 0 0.00 0.00 0.00
Luca Ranieri DC 90 0 0 0 0 0.00 0.00 0.12
João Mário DL 82 0 0 0 1 0.00 0.05 0.06
Arthur Atta AMC 76 0 0 0 1 0.00 0.02 0.08
Franco Mastantuono AMC 65 0 0 1 0 0.04 0.00 0.02
Marco Brescianini MC 64 0 0 1 0 0.02 0.00 0.02
Nicolo Fagioli MC 64 0 0 0 0 0.00 0.00 0.03
Christ Inao Oulaï Sub 26 0 0 1 0 0.02 0.00 0.11
Alejandro Jiménez Sub 26 0 0 0 1 0.00 0.11 0.11
Moise Kean Sub 25 0 0 2 0 0.13 0.00 0.13
Rolando Mandragora Sub 14 0 0 0 0 0.00 0.00 0.00
Valde Sub 8 0 0 0 0 0.00 0.00 0.00

Roma

PlayerMinGA ShKPxGxA xGChain
Evan Ndicka DC 90 0 0 1 0 0.45 0.00 1.34
Emanuele Lulli DMR 90 0 0 1 1 0.06 0.10 0.33
Mile Svilar GK 90 0 0 0 0 0.00 0.00 0.00
Gianluca Mancini DC 90 0 0 0 2 0.00 0.56 1.19
Wesley DML 90 0 0 0 3 0.00 0.16 0.72
Bryan Cristante MC 90 0 0 0 1 0.00 0.05 1.45
Paulo Dybala AMC 81 0 3 4 4 0.18 1.96 2.31
Kouadio Kone MC 81 0 0 0 1 0.00 0.03 0.13
Donyell Malen FW 70 3 0 5 1 1.66 0.05 1.82
Mario Hermoso DC 70 0 0 0 0 0.00 0.00 0.77
Rodrigo Mora AMC 56 0 0 2 1 0.08 0.04 0.12
Matìas Soulè Malvano Sub 34 0 0 2 0 0.56 0.00 1.38
Santiago Castro Sub 20 0 0 1 0 0.12 0.00 0.58
Konstantinos Koulierakis Sub 20 0 0 0 0 0.00 0.00 0.23
Niccolò Pisilli Sub 9 1 0 1 1 0.65 0.12 1.23
Neil El Aynaoui Sub 9 0 0 0 0 0.00 0.00 0.69
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Match

What this page is for

One fixture in full. The model's probability for every market it prices, the prices stored against them, the teams expected to feature, and for a match already played, the shot map and the xG timeline.

How to read the shot map

Every shot is placed where it was taken and sized by its chance of being scored. A cluster of small marks from distance and a clean sheet is a side that was busy without ever threatening; two big marks and a defeat is a side that had the better of it and lost anyway. Both happen constantly, and both are invisible in the score.

How to read the xG timeline

The steps are chances as they arrived, so the shape shows who was on top and when. A flat line that jumps once near the end is a smash and grab.

Things to watch

The stored prediction is the one made before the match, kept deliberately so it can be judged afterwards. It is not re-fitted with hindsight.

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