With lack of on-field successes and failure to climb the league pyramid, the club withdrew half through the III liga in the 2002–03 season, officially disbanding in March 2003.

[1][2][3][4] They reached the Polish Cup semi-finals in 2023, eliminating Ekstraklasa teams such as Widzew Łódź, Górnik Zabrze and Śląsk Wrocław, before losing to Legia Warsaw.

[5] In the 2023–24 season, KKS 1925 failed to secure promotion to the I liga despite finishing in a commendable third place, as they lost 1–2 to Stal Stalowa Wola in the play-off final.

[6] The club has a relatively large fan-base considering its lack of on-field achievements and lowly league position throughout its history.

Both rivals sympathise with regional powerhouse Lech Poznań, KKS being one of the very few lower league teams in Greater Poland not to do so.

As a result of this KKS have rivalries with many other teams in the region who also sympathise with Lech, such as Kania Gostyń, Astra Krotoszyn, Jarota Jarocin, Pogoń Nowe Skalmierzyce, Polonia Kępno and Victoria Września.

[16] Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.