The Blues manager has been in charge of 165 games, with 88 of them victories – a win percentage of 53 per cent.
We’ve looked back on Jackett’s time at the club and picked out his 10 best wins in the Fratton Park hot seat.
5. 6. Pompey 4-2 Barnsley - January 25, 2020
The Championship Tykes were duly put to the sword at Fratton Park. Steve Seddon's set-pieces were instrumental as the Blues ran riot. There was even a consolation goal for Conor Chaplin on his Fratton return. Photo: Joe Pepler
6. 5. Fleetwood 2-5 Pompey - Dec 29, 2018
Those who made the second-longest trip of the season between Christmas and New Year got full value. Ben Thompson was marvellous throughout, while Anton Walkes bagged a brilliant left-footed goal for Pompey. Jamal Lowe (two) and Brett Pitman also bagged. Photo: Daniel Chesterton
7. 4. Pompey 3-1 Sunderland - Dec 22, 2018
It was the League One heavyweight clash so many fans had been looking forward to - and didn’t disappoint. After a tight first half, the turning point was when Glenn Loovens was sent off for Sunderland after tripping Oli Hawkins. Pompey took full advantage to ensure they were top on Christmas Day. Photo: Joe Pepler/Digital South
8. 3. Norwich 0-1 Pompey - January 5, 2019
What an away day. Pompey defended superbly to keep out the Championship leaders before Andre Green notched a stoppage-time winner. The Fratton faithful went crazy - as did the players. Photo: Joe Pepler