Supercomputer predicts EFL Championship play-off final 10,000 times - here's who won most | OneFootball

How each Premier League contender stacks up ahead of the play-offs

The Championship play-offs rarely follow a script, and this season’s quartet feels particularly resistant to prediction.

Millwall, Hull City, Southampton and Middlesbrough arrive via four very different routes, each carrying their own logic - and contradictions - into a three-game shootout worth upwards of £100 million.

Form, history and underlying numbers all point in slightly different directions. The league table suggests one hierarchy; recent momentum another.

And yet, in an era increasingly shaped by data, the question lingers: can predictive modelling cut through the noise of the Championship’s chaos?

Opta supercomputer predicts the Championship play off results

According to Opta’s supercomputer - which simulated the play-offs 10,000 times - Southampton emerge as favourites to secure promotion back to the Premier League at the first attempt.

They reached the final in 58.8% of simulations and lifted the trophy in 32.9%, a clear statistical edge over their rivals.

It is a projection rooted not only in their fourth-place finish, but in their trajectory under Tonda Eckert, with sustained attacking output and a 19-game unbeaten run to close the regular season.

Millwall rank as the second most likely winners. The south London side progressed past Hull in 61.6% of simulations and won promotion in 29.7%, underlining both their consistency across the season and the historical advantage afforded to teams finishing third.

Further back sit Middlesbrough and Hull. Boro overcame Southampton in 41.2% of simulated semi-finals, but their overall chances of winning promotion remain lower than the top two.

Hull, meanwhile, reached the final in fewer than 40% of scenarios, their path complicated by both historical precedent and underlying metrics that paint them as overperformers across the campaign.

The key Championship trends shaping the play-off race

The supercomputer’s verdict aligns - broadly - with long-standing Championship trends.

Teams finishing third and fourth have dominated the play-off era since 2004-05, and recent seasons have only reinforced that pattern. On that basis alone, Millwall and Southampton begin with a structural advantage.

Yet the numbers beneath the surface add nuance. Southampton’s attacking profile is the most compelling of the four, and historically, the highest-scoring side among play-off contenders has won promotion nearly half the time.

Their home form and late-season momentum - a 19-game unbeaten run heading into the play-offs - strengthen that case, even if their record against top-six sides raises questions about how that approach translates in high stakes encounters.

Millwall, by contrast, are a different kind of candidate. They have the division’s strongest away record, a trait shared by a significant proportion of play-off winners in the Championship era, and pair it with one of the tighter defensive records among the quartet.

Their relatively modest goal return complicates the picture, but recent play-off history has shown that attacking volume is not always decisive.

Middlesbrough occupy a more ambiguous space. Statistically, they are the strongest defensive unit of the four - conceding just 47 goals across the campaign - and their possession-heavy approach under Kim Hellberg offers a degree of control.

But their late-season drop-off, including points lost from winning positions, runs counter to several of the more reliable indicators of play-off success.

Then there is Hull City, whose profile resists neat categorisation. A 70-goal return suggests attacking threat, yet their underlying numbers point towards significant overperformance across both boxes.

Historically, sixth-placed teams have struggled to convert play-off qualification into promotion, and the Tigers' statistical footprint places them firmly as outsiders - even if their late surge into the top six hints at momentum.