Portsmouth 0-2 Derby – Result & Analysis

Poisson rates Derby at 37% — the H2H record provides partial corroboration, though signals are mixed in this Portsmouth vs Derby encounter.

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Full Analysis

Fratton Park plays host to Portsmouth versus Derby in Championship, Regular Season - 4. Kick-off: Tuesday 1 September 2026 at 18:45 UTC.

Form & Momentum

Portsmouth have collected 1.70 PPG across 10 Championship outings this season: 5W 2D 3L. Last five: W D L W L. Offensively they are averaging 1.60 goals per game, with 1.50 conceded. 3 clean sheets from 10 outings provides some defensive foundation. Both teams have scored in 70% of their games — a high BTTS rate that carries real weight in the goals markets. Portsmouth have played only a handful of Championship games so far this season, so this record also draws on matches from last season.

Portsmouth's form when playing at home: 3W 2D 5L across 10 games at Fratton Park this term (1.10 PPG). At home they are averaging 1.10 goals scored and 1.10 conceded per game. Somewhat surprisingly, their home PPG of 1.10 lags behind their overall 1.70 — the home advantage has not translated into superior results at Fratton Park this season.

Derby (all games): 3W 1D 6L across 10 Championship outings this term — 1.00 points per game. Last five: W L L D L. Their scoring rate of 1.40 per game is modest, conceding 1.80 — not a side to back heavily on the Over 2.5 from their form alone. 2 clean sheets from 10 outings suggests some defensive organisation. Both teams have scored in 70% of their games — a noteworthy BTTS rate that supports the Yes market. Derby have played only a handful of Championship games so far this season, so this record also draws on matches from last season.

On the road, Derby have gone 3W 0D 7L from 10 away fixtures this term (0.90 PPG). Away from home they average 1.60 goals scored and 1.80 conceded per game. BTTS has landed in 60% of their away games — meaningful support for the Yes angle in this specific context.

Form favours the hosts. Portsmouth's 1.70 PPG return is 0.70 points per game ahead of Derby's 1.00 — a genuine gap in recent results that provides a statistically grounded case for backing the home side.

Head-to-Head

Neither side has dominated this fixture. The last 8 head-to-head meetings have produced 0 wins for Portsmouth, 2 for Derby and 6 draws — an even split that leaves the H2H largely neutral as a betting input.

The 8 previous meetings have averaged 2.4 goals per game — a neutral rate that provides no strong lean on the goals market from the H2H alone. The most recent clash, on 16 Mar 2026, ended 0–1 with Derby winning.

The head-to-head offers no strong directional steer in either the result or goals markets. Form, the predictive model and current market pricing should carry more weight than the historical record for this fixture.

Trading

Portsmouth half-time and goal-timing data (49 games, 24 at home): they score before half-time in 71% of fixtures in home games; when goalless at HT, a second-half goal follows 86% of the time; BTTS occurs in 50% of their matches (home games); Over 2.5 goals lands in 42% of games (home games).

Derby half-time and goal-timing data (49 games, 24 at away): they score before half-time in 83% of fixtures in away games; when goalless at HT, a second-half goal follows 100% of the time; two or more arrive in the second half on 56% of those occasions; BTTS occurs in 67% of their matches (away games); Over 2.5 goals lands in 67% of games (away games).

From a combined perspective, both sides have high BTTS rates — Portsmouth 57% and Derby 65% — which reinforces the BTTS Yes angle from in-play data. The over/under 2.5 picture is inconclusive from the in-play data (Portsmouth 47% | Derby 55%).

Poisson Model

The Poisson distribution model projects Portsmouth 1.44 xG and Derby 1.49 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: Portsmouth attack 0.928 / defence 1.087 | Derby attack 1.047 / defence 1.083. League average goals — home 1.430 / away 1.313. Data: 49 Portsmouth games / 49 Derby games used (CurrentSeason).

Result probabilities: Portsmouth 34% | Draw 29% | Derby 37%. Fair-value odds: Portsmouth 2.94 | Draw 3.45 | Derby 2.70. This is a low-confidence result — no outcome exceeds 45%. The draw at 29% is a primary outcome, not an afterthought.

Goals markets: Over 2.5 probability 56% | BTTS probability 61% | Total xG 2.93. Over 2.5 holds a meaningful probability edge at 56% — the 2.93 total xG provides moderate support, though the model is not projecting a high-scoring game. BTTS Yes at 61% reflects that both xG figures (1.44 / 1.49) are above the threshold where scoring blanks become the primary outcome — both sides are projected to find the net.

Verdict

Derby lead the H2H ledger, but Portsmouth carry stronger current form — do not let history alone dictate your assessment.

The Poisson model's primary lean is Derby at 37% — marginal model lean. Note a divergence: in-form Portsmouth (1.70 PPG) cuts against the Poisson lean — consider the strength-adjusted model over surface-level form results. Draw probability of 29% warrants consideration of Double Chance or Draw No Bet on Derby if the outright odds are short. The opposing side holds a 34% win probability per the model — this is not a banker and should be staked accordingly.

On the goals line, Poisson's 2.93 combined xG gives a 56% probability to Over 2.5 — reasonable, supported by form averaging 2.8 goals per game.

The Poisson model's BTTS call is Yes at 61%. Form rates are neutral: Portsmouth 40% | Derby 60%.

The outsider holds a 34% win probability per the model — this is not a banker and should not be treated as one. Proportionate stakes are appropriate given the genuine contest the data projects.

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