England Championship · Matchday 9

Southampton vs Portsmouth

· St. Mary's Stadium, Southampton

Alin prediction Southampton to win

Cblended with market odds

Predicted score 2 – 1

10% — likeliest score with our pick

Win probability
SouthamptonDrawPortsmouth
Best market odds
Southampton1.62 Draw4.30 Portsmouth5.60
Bet on Southampton

Southampton vs Portsmouth preview

Southampton faces Portsmouth in the Championship, with a 58% probability for a Southampton win according to the model 1X2. The most likely scoreline is 2-1, with a 10% chance of occurring. The match could deviate from this prediction if Portsmouth improves their recent form, which includes two draws and a win in their last three matches.

The likelihood of Over 2.5 goals stands at 67%, while both teams to score has a probability of 64%. Southampton's expected goals are 2.22, compared to Portsmouth's 1.24. This suggests a strong attacking performance from Southampton, but if Portsmouth manages to score, it could impact the outcome significantly. The confidence grade for this match is C, indicating some uncertainty in the predictions.

Southampton vs Portsmouth: model vs market

1X2 probabilities: our model, the de-vigged market and the published blend
SourceSouthamptonDrawPortsmouth
Model59%22%20%
Market58%23%18%
Published58%23%19%
Edge0%-2%+1%
  • Higher expected-goals rate in this fixture: 2.22 vs 1.24.
  • Better recent form: 3 wins in the last 6 vs 2 for the opposition.

Edge = model probability minus the de-vigged market probability. Published = the blend of both that backs every number on this page. Best available price on the pick: 1.62, recorded — the top price across the 9 books we record, each at its own last update.

Southampton vs Portsmouth odds movement

Median bookmaker price on Southampton, 34 snapshots since 2026-09-20.

Opened 1.49Now 1.59 +0.10
Median 1X2 prices, first and latest snapshot
SelectionFirstLatestMove
Southampton1.491.59+0.10
Draw4.204.00-0.20
Portsmouth6.005.03-0.97

A shortening price means the market has moved towards that outcome. Median across all recorded bookmakers, not one book's line.

Southampton and Portsmouth expected goals

The goal rate the model gives each side in this fixture, from xG-based attack and defence ratings.

2.22Southampton
1.24Portsmouth
Total expected goals
3.46
Attack rating (Southampton / Portsmouth)
1.45 / 1.01
Defence rating (Southampton / Portsmouth)
1.02 / 1.07

Ratings are relative to the league average (1.00); lower defence rating = fewer goals conceded per match.

Southampton vs Portsmouth score probability

Every scoreline the model gives this match, 0 to 4+ goals a side. Darker = likelier.

01234+ 0 4.0% 3.0% 2.4% 1.0% 0.4% 1 6.1% 9.5% 5.4% 2.2% 0.9% 2 7.7% 9.6% 6.0% 2.5% 1.0% 3 5.7% 7.1% 4.4% 1.8% 0.7% 4+ 5.3% 6.6% 4.1% 1.7% 0.7%

Rows: Southampton goals. Columns: Portsmouth goals. Outlined cell = most likely scoreline.

Southampton vs Portsmouth goals probability

Chance of the match clearing each total, read off the same score matrix as the heatmap.

Over 0.5 96%
Over 1.5 87%
Over 2.5 67%
Over 3.5 45%
Both teams to score
64%
No goals (0–0)
4%

Over 4.5 and higher fall inside the 4+ buckets and cannot be read off a 0–4 grid, so they are not shown.

All markets for Southampton vs Portsmouth

Published probability and fair odds per market
MarketSelectionProbabilityFair odds
1X2Southampton58%1.71
Draw23%4.38
Portsmouth19%5.33
Over/Under 2.5Over 2.567%1.49
Under 2.533%3.04
Both teams to scoreYes64%1.56
No36%2.80
Double chance1X (Southampton or draw)81%1.23
12 (either side)77%1.30
X2 (draw or Portsmouth)42%2.40
Handicap -1Southampton win by 2+37%2.68
Push (exactly one goal)21%—

Fair odds = 1 / probability — the break-even price implied by the published probability. Correct-score probabilities are on the heatmap above.

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Southampton and Portsmouth recent form

Southampton 3W 2D 1L
Portsmouth 2W 2D 2L

Last 6 completed matches, all competitions, newest on the right.

Home vs away this season

Southampton at home

Record (W-D-L)
4-0-0
Win rate
100%
Goals for / match
3.75
Goals against / match
1.00
Clean sheets
0 of 4
  • They have won 4 of their 7 league games this season, scoring 2.6 goals per match.
  • They average 3.8 goals per game at home against 1.0 on the road.

Portsmouth away

Record (W-D-L)
1-1-1
Win rate
33%
Goals for / match
1.33
Goals against / match
1.00
Clean sheets
1 of 3
  • They have won 2 of their 6 league games this season, scoring 1.2 goals per match.

League matches this season before kick-off: Southampton at home only, Portsmouth away only.

Southampton vs Portsmouth head-to-head

Last 2 meetings: Southampton 0 · draws 2 · Portsmouth 0.

SouthamptonDrawsPortsmouth
Previous meetings
DateHomeScoreAwayCompetition
2026-01-25Portsmouth1-1SouthamptonEngland Championship
2025-09-14Southampton0-0PortsmouthEngland Championship

Other Matchday 9 fixtures

Prediction snapshot Southampton to win Predicted score 2 – 1 C Bet on Southampton