AS Roma vs Lazio – Pre-Match Analysis
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Poisson model favours AS Roma (50%) — form and H2H data both point in the same direction as AS Roma face Lazio.
✍️ Match Preview
Analysis
Lazio make the trip to Stadio Olimpico to face AS Roma in Serie A, Regular Season - 32. The match kicks off on Sunday 18 April 2027 at 16:30 UTC.
Current Form
AS Roma's overall Serie A record this term: 8W 1D 1L from 10 games (2.50 PPG). Last five: W W W W W. They are averaging 2.70 goals per game — a high-scoring output that makes them a genuine attacking threat in any fixture. Defensively, conceding just 0.80 per game is an exceptional defensive record — one of the tightest in the division. 7 clean sheets from 10 games (70%) is a standout defensive return — they are keeping their net clean in more than half their matches. Both teams have scored in just 30% of their matches, indicating a tendency toward clean sheets or low-scoring outcomes. AS Roma have played only a handful of Serie A games so far this season, so this record also draws on matches from last season.
In front of their own supporters this season, AS Roma have posted 7W 3D 0L at Stadio Olimpico — 2.40 PPG. They are averaging 2.40 goals per home game — a prolific scoring rate in front of their own fans. 7 clean sheets from 10 home games (70%) — they are an exceptionally hard side to score against at Stadio Olimpico. At home, both teams have scored in only 30% of games — reinforcing BTTS No as the home-venue-backed angle.
Lazio have collected 1.70 PPG across 10 Serie A outings this season: 5W 2D 3L. Last five: L L W W W. Their scoring rate of 1.20 per game is modest, conceding 1.20 — not a side to back heavily on the Over 2.5 from their form alone. 3 clean sheets from 10 outings suggests some defensive organisation. Lazio have played only a handful of Serie A games so far this season, so this record also draws on matches from last season.
Lazio's form when playing away from home: 4W 3D 3L across 10 road games this term (1.50 PPG). Away from home they average 0.90 goals scored and 0.80 conceded per game. 5 away clean sheets from 10 games (50%) — they are as difficult to score against on the road as they are at home. Away from home, both teams have scored in only 20% of games — a low rate that backs BTTS No when they travel.
Form favours the hosts. AS Roma's 2.50 PPG return is 0.80 points per game ahead of Lazio's 1.70 — a genuine gap in recent results that provides a statistically grounded case for backing the home side.
Both sides have a clean-sheet tendency (using home/away splits) — AS Roma have seen both teams score in just 30% of their matches, Lazio in only 20%. BTTS No has clear statistical support from the form record of both squads.
H2H Analysis
The head-to-head record is closely matched — AS Roma lead 5W to 3W over the last 10 encounters, with 2 draws, though neither side has established a commanding advantage.
Historically, goals have been at a premium in this fixture — just 1.8 per game from 10 meetings. The Under 2.5 has a clear base rate from the H2H record alone. The most recent clash, on 17 May 2026, ended 2–0 with AS Roma winning.
With a balanced win record and just 1.8 goals per game historically, the H2H points toward a tight, low-scoring contest. Under 2.5 goals has the strongest statistical grounding from the fixture history regardless of which side wins.
Trading Data
AS Roma goal-timing and half-time pattern breakdown (40 games, 20 at home): they score before half-time in 60% of fixtures in home games; when goalless at HT, a second-half goal follows 100% of the time; they lead at the break 48% of the time; BTTS occurs in 25% of their matches (home games); Over 2.5 goals lands in 35% of games (home games); they keep a clean sheet 50% of the time.
Lazio goal-timing and half-time pattern breakdown (40 games, 20 at away): they score before half-time in 40% of fixtures in away games; when goalless at HT, a second-half goal follows 69% of the time; BTTS occurs in 15% of their matches (away games); Over 2.5 goals lands in 15% of games (away games); they keep a clean sheet 42% of the time; they fail to score in 42% of games.
The in-play data supports BTTS No — both teams show low combined scoring rates (AS Roma 32% | Lazio 28%). Under 2.5 goals has backing from the in-play data — both teams register low Over 2.5 rates (AS Roma 40% | Lazio 30%).
Poisson Model
The Poisson distribution model projects AS Roma 1.39 xG and Lazio 0.83 xG. These expected goals figures are the primary input: they feed a goal-probability matrix across all scoreline combinations to derive the result and market probabilities below. Underlying strength ratings: AS Roma attack 1.453 / defence 0.739 | Lazio attack 0.910 / defence 0.818. League average goals — home 1.167 / away 1.233. AS Roma carry an above-average attack strength of 1.453 — their λ of 1.39 reflects genuine attacking quality above the league norm. AS Roma's defence rating of 0.739 is below average — the home backline is amplifying the visitor's projected output. Data: 40 AS Roma games / 40 Lazio games used (Blended). A blend of current and prior-season data is applied to stabilise estimates early in the campaign.
Result probabilities: AS Roma 50% | Draw 28% | Lazio 22%. Fair-value odds: AS Roma 2.00 | Draw 3.57 | Lazio 4.55. AS Roma hold a narrow Poisson edge at 50% — the draw (28%) is close enough to merit draw-inclusive market consideration.
Goals markets: Over 2.5 probability 38% | BTTS probability 42% | Total xG 2.22. Under 2.5 has a narrow probability edge at 62% — total xG of 2.22 is below the line but not decisively so. BTTS probability of 42% is moderate — neither team is projected to score with enough certainty to make Yes a clear standalone call.
Final Verdict
Poisson rates AS Roma as the most likely outcome at 50% — moderate model lean. Current-season form corroborates the Poisson lean — partial multi-source support. Draw probability of 28% warrants consideration of Double Chance or Draw No Bet on AS Roma if the outright odds are short.
The Poisson model projects 2.22 xG in total — Under 2.5 at 38% — reasonable confidence, supported by H2H averaging 1.8 goals per meeting.
Poisson assigns a 42% probability to BTTS No based on the attack/defence strength model. Form rates corroborate: AS Roma 30% | Lazio 20% BTTS from recent games.
The Poisson model is drawing on Blended data (40 games minimum) — early-season projections carry additional uncertainty. Weight the live form and odds signals accordingly.
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💡 Key Insights
🏟️ Match Context
• Fixture: AS Roma vs Lazio | Competition: Serie A, Regular Season - 32 | Venue: Stadio Olimpico • Kick-off: Sunday 18 Apr 2027, 16:30 UTC • Data inputs: H2H history, form splits, prediction model signals, and market pricing
📊 Statistical Prediction
• Poisson result probabilities: AS Roma 50% | Draw 28% | Lazio 22% • Poisson goal markets: Over 2.5 38% | BTTS 42% | xG AS Roma 1.39 / Lazio 0.83 • Poisson strength factors: AS Roma attack 1.453 / def 0.739 | Lazio attack 0.910 / def 0.818 | league avg home 1.167 / away 1.233 • Poisson stance: AS Roma (50%) — moderate lean
🧮 Prediction Model
1.39
AS Roma xG
Expected Goals
0.83
Lazio xG
42%
BTTS
65%
Over 1.5
38%
Over 2.5
18%
Over 3.5
Full score-by-score matrix & model internals in the "Full Poisson Detail" section below ↓
⚠️ This analysis is generated algorithmically from statistical data and is intended for informational purposes only. It does not constitute betting advice. Please gamble responsibly.
❓ Frequently Asked Questions
What time does AS Roma vs Lazio kick off?
AS Roma vs Lazio is scheduled to kick off at 16:30 on Sunday 18 April 2027 at Stadio Olimpico.
Where is AS Roma vs Lazio being played?
The match is being played at Stadio Olimpico.
What competition is AS Roma vs Lazio part of?
AS Roma vs Lazio is a Regular Season - 32 fixture in the Serie A (Italy).
Who is favourite to win AS Roma vs Lazio?
Our statistical model gives AS Roma a 50% chance of winning, Lazio a 22% chance, and a 28% chance of a draw — making AS Roma the favourite.
Will both teams score in AS Roma vs Lazio?
Our model estimates a 42% probability that both AS Roma and Lazio will score (BTTS).
Will AS Roma vs Lazio have over 2.5 goals?
Our model puts the probability of over 2.5 goals in this match at 38%.
What is the head-to-head record between AS Roma and Lazio?
Record (10 meetings): AS Roma 5W | Draws 2 | Lazio 3W.
What form are AS Roma and Lazio in?
AS Roma (all comps): 8W-1D-1L in 10 | 2.50 PPG | GF 2.70 / GA 0.80 | L5 W-W-W-W-W. Lazio (all comps): 5W-2D-3L in 10 | 1.70 PPG | GF 1.20 / GA 1.20 | L5 L-L-W-W-W.
🧮 Model Insight
Where the Numbers Come From
Working from AS Roma's attack rating (1.45) and Lazio's defence rating (0.82), the model arrives at 1.39 expected goals for the home side. Flip it around — Lazio's attack (0.91x) against AS Roma's defence (0.74x) — and the away total comes out at 0.83.
The sample (40/40 games) mixes this season and last, since the current campaign is still relatively young.
The Exact-Score Picture
Run the expected-goals figures through the full scoreline distribution and 1-1 emerges as the single most likely result, at 14.2%. Close behind: 1-0 (13.5%), 0-0 (12.5%). Those top three scorelines alone account for 40% of the model's total probability mass — a relatively concentrated, predictable distribution for this fixture.
Most Likely Outcome
AS Roma Win
50%
2.00
28%
3.63
22%
4.46
Top 3 Most Likely Scorelines
1 – 0
15.1%
Home win
Most likely
1 – 1
12.5%
Draw
0 – 0
10.9%
Draw
Expected Goals & Win Odds
1.39
AS Roma xG
Total xG
2.22
0.83
Lazio xG
2.00
50%
Home win
3.63
28%
Draw
4.46
22%
Away win
Goals Markets
65%
Over 1.5
1.54
35%
Under 1.5
2.86
38%
Over 2.5
2.63
62%
Under 2.5
1.61
18%
Over 3.5
5.56
82%
Under 3.5
1.22
7%
Over 4.5
14.29
93%
Under 4.5
1.08
Match Markets
Both Teams to Score
42%
BTTS Yes
2.36
58%
BTTS No
1.73
Clean Sheet
44%
2.29
25%
4.01
Win to Nil
22%
4.58
6%
17.86
Score Probability Matrix (%)
| H \ A | 0 | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|---|
| 0 | 10.9 | 9.0 | 3.7 | 1.0 | 0.2 | – |
| 1 | 15.1 | 12.5 | 5.2 | 1.4 | 0.3 | – |
| 2 | 10.5 | 8.7 | 3.6 | 1.0 | 0.2 | – |
| 3 | 4.9 | 4.0 | 1.7 | 0.5 | 0.1 | – |
| 4 | 1.7 | 1.4 | 0.6 | 0.2 | – | – |
| 5 | 0.5 | 0.4 | 0.2 | – | – | – |
Green = home win · Grey = draw · Amber = away win · Outlined cell = most likely score
▶ Model Internals
❓ Frequently Asked Questions
What is the most likely scoreline for AS Roma vs Lazio?
Our Poisson model rates 1-1 as the single most likely exact scoreline, at 14.2%.
How many goals are AS Roma and Lazio expected to score?
The model projects 1.39 expected goals for AS Roma and 0.83 for Lazio, a combined total of 2.22.
How confident is the prediction model for AS Roma vs Lazio?
Not very — the model's leading outcome sits at just 50%, meaning this is rated as a genuinely open contest with no dominant favourite.
📈 Form Insight
Recent Form Overview
AS Roma's recent record stands at 25W 4D 11L from 40 games, a 1.98 PPG return, with W-W-W-W-W in the last five. It's still early in the season for AS Roma, so this record blends in a handful of games from last season too.
Lazio, meanwhile, have gone 16W 12D 12L across 40 games — 1.50 PPG, with L-L-W-W-W in their last five. It's still early in the season for Lazio, so this record blends in a handful of games from last season too.
The points-per-game comparison favours AS Roma by 0.48 — a real, if not enormous, edge over Lazio heading into this one.
How They Fare by Venue
At home specifically, AS Roma have managed 14W 3D 3L from 20 games — 2.25 PPG in front of their own supporters.
Lazio's away record stands at 7W 6D 7L across 20 trips, a 1.35 PPG haul.
Comparing the two in their relevant venue splits, AS Roma come out ahead — a more targeted read than the overall PPG figures above, since it strips out games played in the opposite context.
Attack vs Defence
AS Roma are averaging 1.68 goals scored and 0.78 conceded per game recently; Lazio are on 1.08 scored and 1.00 conceded. Both sides have been difficult to break down recently — a combination that often points to a tighter, lower-scoring game than the average fixture.
On BTTS specifically: Lazio in 28%.
Defensively: AS Roma have kept a clean sheet in 50% of their games; Lazio in 42% — worth knowing if you're weighing up clean-sheet or BTTS-No markets.
Last 40 Results — Serie A
Current season: same league only · Previous season: all leagues (covers promoted/relegated teams)
AS Roma
Early Season
Lazio
Early Season
❓ Frequently Asked Questions
What form are AS Roma and Lazio in coming into this match?
AS Roma have gone 25W 4D 11L in their last 40 games (1.98 PPG), while Lazio have gone 16W 12D 12L in their last 40 (1.50 PPG).
Which team has the better venue record — AS Roma at home or Lazio away?
AS Roma's home record (2.25 PPG) is the stronger of the two venue-specific splits — AS Roma at home: 2.25 PPG; Lazio away: 1.35 PPG.
Have AS Roma or Lazio been keeping clean sheets recently?
AS Roma have kept a clean sheet in 50% of their recent games, Lazio in 42%.
⚔️ Rivalry Insight
The Rivalry So Far
These sides have met 10 times that we have on record, stretching back to September 2021 — a rivalry that has played out across roughly 4 years. Every recorded meeting has come in Serie A. They last met on 17 May 2026, roughly 3 months ago.
Notable Numbers
There's a clear current trend here: AS Roma have taken the last 2 head-to-head results.
For context on how one-sided this fixture can get: AS Roma won 3-0 on 20 Mar 2022, the biggest margin either side has managed in the series.
Specifically as hosts in this fixture, AS Roma have gone 4W 0D 1L from 5 meetings on their own ground against Lazio — worth weighing alongside the overall series record.
Last 10 Meetings
5
AS Roma
2
Draws
3
Lazio
Recent Meetings
❓ Frequently Asked Questions
What is the head-to-head record between AS Roma and Lazio?
From 10 meetings on record, AS Roma have won 5, Lazio have won 3, and 2 have been drawn.
When did AS Roma and Lazio last play each other?
They last met on 17 May 2026, when AS Roma 2-0 Lazio.
Who has won more matches between AS Roma and Lazio?
AS Roma have the better head-to-head record, with 5 wins from 10 meetings.
📈 Trading Insight
Early Goal Trends
AS Roma are typically involved in an early goal — the half-time board shows at least one in 60% of their matches. They've gone in front at half-time 45% of the time.
Lazio see a goal before the break in 40% of their matches.
Full-Time Markets
Neither side has been leaking BTTS chances often — 25% (AS Roma) and 15% (Lazio) both sit on the low side, favouring BTTS No.
Low-scoring games have been more typical here — Over 2.5 sits at just 35% for AS Roma and 15% for Lazio.
On the defensive side: AS Roma keep a clean sheet in 60% of their matches; Lazio in 50%; Lazio in 55%.
Current season: same league only. Previous season: all leagues (covers promoted/relegated teams). All = any venue | Venue = AS Roma home games / Lazio away games. HT metrics require half-time score data — shown as — where unavailable.
❓ Frequently Asked Questions
Do both teams usually score when AS Roma play Lazio?
Not especially — both teams scoring has occurred in only 25% of AS Roma's recent matches and 15% of Lazio's, a rate that leans toward BTTS No.
Is AS Roma vs Lazio usually a high-scoring fixture?
Not particularly — Over 2.5 goals has come in for only 35% of AS Roma's recent games and 15% of Lazio's, pointing to a tighter contest.
Do AS Roma and Lazio tend to score early?
AS Roma have had a goal before half-time in 60% of their recent matches, Lazio in 40% — a useful reference point for first-half goal markets.
The match report will be available once the game has finished.