Portsmouth travel to St Mary's on Sunday (kick-off 12:00) for one of the Championship's most fiercely contested fixtures, carrying the weight of a 15-year wait for a derby victory over Southampton. The last time Pompey came out on top in this south coast rivalry was back in 2010, and the question now is whether a turbulent period for their neighbours could finally tip the balance blue.

Southampton's difficult backdrop

Southampton's build-up to the game has been anything but settled. Manager Tonda Eckert is awaiting the outcome of a disciplinary hearing related to Spygate charges, a process whose verdict, according to BBC Sport's coverage, could carry significant consequences for the club. On top of that, Saints are facing real fitness uncertainty over two key figures: striker Cyle Larin and goalkeeper Daniel Peretz are both reported to be doubts, leaving gaps across the pitch that Portsmouth will be keen to exploit.

The Spygate saga, which BBC Sport has been tracking across several weeks, has created a fog of uncertainty around Eckert's position and the club's preparations. Whether that unsettled atmosphere translates into anything on the pitch remains to be seen, but it is not the kind of backdrop any side wants heading into a derby of this magnitude.

Portsmouth's mindset and potential weapons

From the Portsmouth perspective, the mood among supporters appears cautiously optimistic. Fan Brendon, speaking to BBC Sport ahead of the match, reflected a view that will resonate with many at Fratton Park: "It does lean a bit in our favour that Southampton are in disarray at the moment. I think we come out the box and come out firing, in the first half at least. We've got to go for it."

He pointed to the attacking options that could be available to Portsmouth if fitness holds up, including Marko Milovanovic, Tyrese Shade, Abu Kamara and Adrian Segecic, as players capable of running at Southampton's defence and finding space in behind. Portsmouth's task, though, will be to convert that enthusiasm into the clinical edge that has eluded them in recent derby encounters.

Pompey have had their own selection concerns to manage. Peretz's potential absence is already noted on the Southampton side, but Portsmouth have also been dealing with defensive issues in recent weeks, having dropped points in a 2-2 draw at Blackburn. Maintaining shape and discipline away from home will be just as important as attacking intent.

The Championship context

Both clubs are operating in the Championship this season, giving the south coast derby an additional layer of competitive significance beyond local pride. Every point in the second tier counts, and a win here would not only end Portsmouth's long wait but also deliver a meaningful boost in the table.

For Southampton, who were understood to be backing Eckert's attacking philosophy through the early weeks of the campaign, the timing of this off-field disruption is particularly unwelcome. The Spygate hearing outcome remains pending, and the club must navigate the derby while senior players recover from knocks.

Portsmouth, by contrast, will arrive at St Mary's with nothing to lose and plenty of motivation. If the injury picture clears sufficiently and the attacking players cited by supporters can click from the first whistle, Sunday could finally be the afternoon that ends a long chapter of derby disappointment for the blue half of the south coast.

Kick-off on Sunday is at 12:00 BST.

Frequently asked

When did Portsmouth last beat Southampton?
Portsmouth's last victory over Southampton came in 2010. They have not beaten their south coast rivals in the 15 years since.
What is the Spygate charge against Southampton?
Southampton manager Tonda Eckert is awaiting the outcome of a disciplinary hearing related to so-called Spygate charges. The exact nature of any punishment has not yet been confirmed, but the process has caused significant uncertainty around the club.
Are Cyle Larin and Daniel Peretz fit for the south coast derby?
Both players have been reported as doubts for Southampton's Championship derby against Portsmouth on Sunday, with Larin carrying a back concern and Peretz facing an injury scare.