In fact, the 19,009 present for the Blues’ 2-2 draw represented their largest home crowd for more than three-and-a-half years.
The impressive figure, which also included 1,899 travelling fans, was enough to put that fixture as the seventh-highest attended game in the EFL last weekend.
With renovation work now complete on both the North and South stands, Fratton Park can now hold up to 19,400 supporters.
This number will soon rise to more than 20,000 when improvements to the Milton End are finished, with that project scheduled to begin in October.
But how do Pompey’s attendances compare to their rivals?
We’ve taken a look at every League One side's average figures so far this term to see where the Blues’ impressive tally of 18,315 fans rank.
Here’s what we found.
With renovation work now complete on both the North and South stands, Fratton Park can now hold up to 19,400 supporters.
![Capacity: 28,723; Average attendance: 18,563.](https://www.portsmouth.co.uk/webimg/b25lY21zOjI5MTkwMDJkLTFiZDItNGMzOC04MmNmLWQ4ZjY2OGFhOGYwMDo5MDVjMWM3Zi1lMTljLTRmODQtYjFhNi0xMDBkNjczN2IzODI=.jpg?crop=3:2&trim=&width=640)
21. University of Bolton Stadium - Bolton
Capacity: 28,723; Average attendance: 18,563.Photo: Charlotte Tattersall
![Capacity: 30,311; Average attendance: 24,235.](https://www.portsmouth.co.uk/webimg/b25lY21zOjdjYjBjOWI4LWI3OTEtNDExNy1hMTkxLTIzYzkxNmE2Nzc0Yzo2NzQyM2YzYy04NWVjLTQxMDItODljNS0wY2IxNzczZDE5ZWQ=.jpg?crop=3:2&trim=&width=640)
22. Portman Road - Ipswich
Capacity: 30,311; Average attendance: 24,235.Photo: Alex Morton
![Capacity: 39,732; Average attendance: 25,157.](https://www.portsmouth.co.uk/webimg/b25lY21zOmE5YzU2Y2MwLWMzYjQtNDkyMi04MDMyLWM0ZWZlY2VjZmQyNzozMWRjZTJhYy1jNzM3LTQzNWEtODc5Ni1lOGUwMTcyYTVkYzc=.jpg?crop=3:2&trim=&width=640)
23. Hillsborough - Sheffield Wednesday
Capacity: 39,732; Average attendance: 25,157.Photo: Alex Pantling
![Capacity: 33,597; Average attendance: 27,109.](https://www.portsmouth.co.uk/webimg/b25lY21zOmFjYTU5NzM0LWQ1NDUtNGNhMi1iMjc2LTlhYWQzNWEyYmZhYTozMTc4YTFjNi1mNjY5LTRkMjItYWM3ZC01MzM4ODU0NTgwMWU=.jpg?crop=3:2&trim=&width=640)