They competed in and won the Belgian Super Cup for the first time in their history beating Club Brugge.

Win Draw Loss Fixtures Last updated: 20 February 2025 Source: Competitions

Union were drawn for the knockout phase play-offs as an unseeded team, as a result of their finishing position, and played Ajax over two legs in February 2025, going out of the competition 3–2 on aggregate.

Players who left the club prior to the first competitive fixture of the season or who have not made any appearances are not featured.

The list is sorted by squad number when total clean sheets are equal.