It means Southampton are returning to the Premier League following a 1-0 triumph, while Leeds miss out and will face Pompey for two matches in the 2024-25 season.
For the Blues, their first Championship campaign for 12 years will see them come across some familiar faces, namely 20 former Fratton Park players.
Some are favourites, others instantly forgettable, while you may not have ever heard of a few – and here they are...
21. Hayden Carter (Blackburn)
Pompey: 21 games, 1 goalRecruited from Blackburn on loan by Danny Cowley in January 2022 and proved to be a class act either in the centre of defence or at right-back. Rovers were delighted with his Fratton Park development and, upon his return, Carter became a first-team regular. Made 35 appearances this season, although missed two months through injury. Picture: Paul Thompson/ProSportsImages Photo: Paul Thompson