Wigan 1-0 Portsmouth – Result & Analysis
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Poisson model projects a closely fought contest — draw probability sits at 37% as Wigan take on Portsmouth.
✍️ Match Preview
Analysis
Portsmouth make the trip to DW Stadium to face Wigan in League One, Regular Season - 5. The match kicks off on Saturday 28 August 2021 at 15:00 UTC.
Current Form
Wigan's overall League One record this term: 2W 1D 1L from 4 games (1.75 PPG). Last five: L W D W. They are averaging 1.25 goals per game and conceding 0.75 — a modest attacking output that tempers optimism on the Over 2.5 market. 2 clean sheets from 4 games (50%) is a standout defensive return — they are keeping their net clean in more than half their matches. Wigan have played only a handful of League One games so far this season, so this record also draws on matches from last season.
Portsmouth have collected 2.50 PPG across 4 League One outings this season: 3W 1D 0L. Last five: W W W D. Their scoring rate of 1.00 per game is modest, conceding 0.00 — not a side to back heavily on the Over 2.5 from their form alone. 4 clean sheets from 4 games (100%) is an exceptional defensive record — they are keeping clean sheets more often than not. Portsmouth have played only a handful of League One games so far this season, so this record also draws on matches from last season.
Portsmouth arrive in superior form — a 0.75 PPG advantage (2.50 vs 1.75) that offsets much of the home-ground benefit. The away side are the form pick, with draw protection the sensible way to manage the home-field uncertainty.
Trading
Wigan half-time and goal-timing data (4 games): they score before half-time in 25% of fixtures; when goalless at HT, a second-half goal follows 100% of the time; two or more arrive in the second half on 67% of those occasions; BTTS occurs in 50% of their matches; Over 2.5 goals lands in 25% of games; they keep a clean sheet 50% of the time.
Portsmouth half-time and goal-timing data (4 games): they score before half-time in 25% of fixtures; when goalless at HT, a second-half goal follows 67% of the time; BTTS occurs in 0% of their matches; Over 2.5 goals lands in 0% of games; they keep a clean sheet 100% of the time.
The in-play data supports BTTS No — both teams show low combined scoring rates (Wigan 50% | Portsmouth 0%). Under 2.5 goals has backing from the in-play data — both teams register low Over 2.5 rates (Wigan 25% | Portsmouth 0%).
Poisson Model
The Poisson distribution model projects Wigan 0.80 xG and Portsmouth 0.70 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: Wigan attack 0.955 / defence 1.006 | Portsmouth attack 0.713 / defence 0.872. League average goals — home 0.961 / away 0.976. Data: 4 Wigan games / 4 Portsmouth games used (CurrentSeason).
Result probabilities: Wigan 35% | Draw 37% | Portsmouth 29%. Fair-value odds: Wigan 2.86 | Draw 2.70 | Portsmouth 3.45. The draw (37%) is the Poisson-preferred outcome — neither side is more likely to win than to draw, making draw-inclusive markets the most model-aligned approach.
Goals markets: Over 2.5 probability 19% | BTTS probability 28% | Total xG 1.50. Under 2.5 is the strongly backed market at 81% probability — total xG of 1.50 sits well below the 2.5 threshold. The model is projecting a tight, low-scoring match based on both sides' defensive quality. BTTS No has firm model support at 72% — Portsmouth's lower xG of 0.70 creates a meaningful probability of a scoring blank, which suppresses the BTTS Yes probability to 28%.
Picks & Verdict
The Poisson model's preferred outcome is the draw at 37% — neither side is more likely to win than to draw. Draw-inclusive markets are the most model-aligned approach. Home win at 35% and away win at 29% are close enough that backing either outright carries significant draw exposure.
On the goals line, Poisson's 1.50 combined xG gives a 19% probability to Under 2.5 — reasonable, supported by form averaging 1.5 goals per game.
The Poisson model's BTTS call is No at 28%. Form rates corroborate: Wigan 50% | Portsmouth 0% BTTS from recent games.
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💡 Key Insights
🏟️ Match Context
• Fixture: Wigan vs Portsmouth | Competition: League One, Regular Season - 5 | Venue: DW Stadium • Kick-off: Saturday 28 Aug 2021, 15:00 UTC • Data inputs: H2H history, form splits, prediction model signals, and market pricing
📊 Statistical Prediction
• Poisson result probabilities: Wigan 35% | Draw 37% | Portsmouth 29% • Poisson goal markets: Over 2.5 19% | BTTS 28% | xG Wigan 0.80 / Portsmouth 0.70 • Poisson strength factors: Wigan attack 0.955 / def 1.006 | Portsmouth attack 0.713 / def 0.872 | league avg home 0.961 / away 0.976 • Poisson stance: Draw (37%) — low confidence — close contest
🧮 Prediction Model
0.80
Wigan xG
Expected Goals
0.70
Portsmouth xG
28%
BTTS
44%
Over 1.5
19%
Over 2.5
7%
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 Wigan vs Portsmouth kick off?
Wigan vs Portsmouth kicked off at 15:00 on Saturday 28 August 2021 at DW Stadium.
What was the final score in Wigan vs Portsmouth?
Wigan 1 - 0 Portsmouth.
Where is Wigan vs Portsmouth being played?
The match is being played at DW Stadium.
What competition is Wigan vs Portsmouth part of?
Wigan vs Portsmouth is a Regular Season - 5 fixture in the League One (England).
Who is favourite to win Wigan vs Portsmouth?
Our statistical model gives Wigan a 35% chance of winning, Portsmouth a 29% chance, and a 37% chance of a draw, making this a very evenly-matched fixture.
Will both teams score in Wigan vs Portsmouth?
Our model estimates a 28% probability that both Wigan and Portsmouth will score (BTTS).
Will Wigan vs Portsmouth have over 2.5 goals?
Our model puts the probability of over 2.5 goals in this match at 19%.
What is the head-to-head record between Wigan and Portsmouth?
No recorded head-to-head meetings available in the dataset.
What form are Wigan and Portsmouth in?
Wigan (all comps): 2W-1D-1L in 4 | 1.75 PPG | GF 1.25 / GA 0.75 | L5 L-W-D-W. Portsmouth (all comps): 3W-1D-0L in 4 | 2.50 PPG | GF 1.00 / GA 0.00 | L5 W-W-W-D.
🧮 Model Insight
Where the Numbers Come From
Working from Wigan's attack rating (0.95) and Portsmouth's defence rating (0.87), the model arrives at 0.80 expected goals for the home side. Flip it around — Portsmouth's attack (0.71x) against Wigan's defence (1.01x) — and the away total comes out at 0.70.
These ratings are built from 4/4 games of current-season data — a full enough sample to trust.
The Exact-Score Picture
Run the expected-goals figures through the full scoreline distribution and 0-0 emerges as the single most likely result, at 23.9%. Close behind: 1-0 (16.2%), 1-1 (14.1%). Those top three scorelines alone account for 54% of the model's total probability mass — a relatively concentrated, predictable distribution for this fixture.
Most Likely Outcome
Draw
35%
2.89
37%
2.73
29%
3.48
Top 3 Most Likely Scorelines
0 – 0
22.3%
Draw
Most likely
1 – 0
17.8%
Home win
0 – 1
15.6%
Away win
Expected Goals & Win Odds
0.80
Wigan xG
Total xG
1.50
0.70
Portsmouth xG
2.89
35%
Home win
2.73
37%
Draw
3.48
29%
Away win
Goals Markets
44%
Over 1.5
2.27
56%
Under 1.5
1.79
19%
Over 2.5
5.26
81%
Under 2.5
1.23
7%
Over 3.5
14.29
93%
Under 3.5
1.08
2%
Over 4.5
50.00
98%
Under 4.5
1.02
Match Markets
Both Teams to Score
28%
BTTS Yes
3.60
72%
BTTS No
1.38
Clean Sheet
50%
2.02
45%
2.23
Win to Nil
17%
5.83
13%
7.75
Score Probability Matrix (%)
| H \ A | 0 | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|---|
| 0 | 22.3 | 15.6 | 5.5 | 1.3 | 0.2 | – |
| 1 | 17.8 | 12.5 | 4.4 | 1.0 | 0.2 | – |
| 2 | 7.1 | 5.0 | 1.8 | 0.4 | 0.1 | – |
| 3 | 1.9 | 1.3 | 0.5 | 0.1 | – | – |
| 4 | 0.4 | 0.3 | 0.1 | – | – | – |
| 5 | 0.1 | – | – | – | – | – |
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 Wigan vs Portsmouth?
Our Poisson model rates 0-0 as the single most likely exact scoreline, at 23.9%.
How many goals are Wigan and Portsmouth expected to score?
The model projects 0.80 expected goals for Wigan and 0.70 for Portsmouth, a combined total of 1.50.
How confident is the prediction model for Wigan vs Portsmouth?
Not very — the model's leading outcome sits at just 37%, meaning this is rated as a genuinely open contest with no dominant favourite.
📈 Form Insight
Recent Form Overview
Across their last 4 outings, Wigan have picked up 1.75 PPG on a 2W 1D 1L record — L-W-D-W across the most recent five. It's still early in the season for Wigan, so this record blends in a handful of games from last season too.
Portsmouth's form line: 3W 1D 0L from 4 games, 2.50 PPG, last five W-W-W-D. It's still early in the season for Portsmouth, so this record blends in a handful of games from last season too.
Put side by side, Portsmouth are the form team by 0.75 points per game — a gap wide enough to matter, though form alone rarely tells the whole story against Wigan.
Attack vs Defence
Wigan are averaging 1.25 goals scored and 0.75 conceded per game recently; Portsmouth are on 1.00 scored and 0.00 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: Portsmouth in 0%.
Defensively: Wigan have kept a clean sheet in 50% of their games; Portsmouth in 100% — worth knowing if you're weighing up clean-sheet or BTTS-No markets.
Last 4 Results — League One
Current season: same league only · Previous season: all leagues (covers promoted/relegated teams)
Wigan
Early Season
Portsmouth
Early Season
❓ Frequently Asked Questions
What form are Wigan and Portsmouth in coming into this match?
Wigan have gone 2W 1D 1L in their last 4 games (1.75 PPG), while Portsmouth have gone 3W 1D 0L in their last 4 (2.50 PPG).
Have Wigan or Portsmouth been keeping clean sheets recently?
Wigan have kept a clean sheet in 50% of their recent games, Portsmouth in 100%.
⚔️ Rivalry Insight
The Rivalry So Far
These sides have met 4 times that we have on record, stretching back to August 2021 — a rivalry that has played out across roughly 2 years. Every recorded meeting has come in League One. It has been a while since the last meeting — 20 April 2024, some 2 years back — so squads and form on both sides may look very different now.
Notable Numbers
Specifically as hosts in this fixture, Wigan have gone 1W 0D 1L from 2 meetings on their own ground against Portsmouth — worth weighing alongside the overall series record.
Last 4 Meetings
2
Wigan
0
Draws
2
Portsmouth
Recent Meetings
❓ Frequently Asked Questions
What is the head-to-head record between Wigan and Portsmouth?
From 4 meetings on record, Wigan have won 2, Portsmouth have won 2, and 0 have been drawn.
When did Wigan and Portsmouth last play each other?
They last met on 20 April 2024, when Portsmouth 1-2 Wigan.
📈 Trading Insight
Early Goal Trends
Wigan tend to start slowly — only 25% of their games have a goal by half-time.
Portsmouth tend to start slowly — only 25% of their games have a goal by half-time. They've gone in front at half-time 25% of the time.
Full-Time Markets
Neither side has been leaking BTTS chances often — 50% (Wigan) and 0% (Portsmouth) both sit on the low side, favouring BTTS No.
Low-scoring games have been more typical here — Over 2.5 sits at just 25% for Wigan and 0% for Portsmouth.
On the defensive side: Wigan keep a clean sheet in 50% of their matches; Portsmouth in 100%.
Current season: same league only. Previous season: all leagues (covers promoted/relegated teams). All = any venue | Venue = Wigan home games / Portsmouth away games. HT metrics require half-time score data — shown as — where unavailable.
❓ Frequently Asked Questions
Do both teams usually score when Wigan play Portsmouth?
Not especially — both teams scoring has occurred in only 50% of Wigan's recent matches and 0% of Portsmouth's, a rate that leans toward BTTS No.
Is Wigan vs Portsmouth usually a high-scoring fixture?
Not particularly — Over 2.5 goals has come in for only 25% of Wigan's recent games and 0% of Portsmouth's, pointing to a tighter contest.
Do Wigan and Portsmouth tend to score early?
Wigan have had a goal before half-time in 25% of their recent matches, Portsmouth in 25% — a useful reference point for first-half goal markets.
Prediction vindicated as Wigan edge out Portsmouth 1-0.
📝 Match Report
How It Unfolded
Wigan beat Portsmouth 1-0 at DW Stadium, Regular Season - 5, in the League One. That is the final score; the rest of this report grades it against what the data forecast beforehand.
The Model vs The Result
The Poisson model went into this projecting Wigan 0.80 xG and Portsmouth 0.70 xG, a combined 1.50. The scoreboard read 1-0 for 1 actual goal. Both sides finished within a goal of their individual projections, so the scoreline sat close to the model's expected shape. Those figures were built on strength ratings of Wigan attack 0.95 / defence 1.01 against Portsmouth attack 0.71 / defence 0.87, drawn from 4/4 games (CurrentSeason).
On the result, the model split it Wigan 35% | Draw 37% | Portsmouth 29%, with the draw its most likely call at 37%. The actual Wigan win had been the model's second-ranked read at 35%, so the result diverged from the top call without being a shock.
Goals & Markets
The model rated Over 2.5 goals at 19%. The game delivered 1, so it stayed under — the model's lean was correct. Over 1.5 had been 44% and missed. On both teams to score, the model sat at 28% and the match did not — another call in the model's favour. Historically the two sides average 12% Over 2.5 across their same-competition games (Wigan 25%, Portsmouth 0%), a base rate that agreed with today's under. Their combined BTTS history runs at 25%, which matched the one-sided outcome.
Trading Patterns vs Reality
Wigan's trading profile (4 games) set some clear expectations: BTTS lands in 50% of their matches — today it did not; they keep a clean sheet 50% of the time, and duly kept one.
Portsmouth's trading profile (4 games) set some clear expectations: BTTS lands in 0% of their matches — today it did not; they keep a clean sheet 100% of the time, and conceded here; they fail to score in 25% of games, a blank that repeated today.
Form vs Result
On form, Portsmouth arrived the stronger side — 2.50 PPG against 1.75. Form was overturned, with Wigan winning despite arriving in poorer recent shape. Portsmouth managed 0 against a 1.00 scoring average — below par going forward and shipped 1 against a 0.00 concession average — a leakier day than usual.
Verdict
Grading the result against the stored data, 2 of 4 pre-match signals came in: result (miss), Over 2.5 (hit), BTTS (hit), form (miss). A mixed scorecard — the data caught the broad shape of the game but not every market.
💡 Key Insights
⚠️ This match report is generated algorithmically from the final score, our prediction model, and each team's historical form and trading data. Analysis is for informational purposes only.