WUnion St. Gilloise – Hapoel Beer ShevaEuropa League · League phase · MD 3 · 22/10/26 · Raul Florucz 45+1' (p), Guilherme Smith 60', Dylan Aquino 77', Guilherme Smith 81'4–0DUnion St. Gilloise – Real SociedadEuropa League · League phase · MD 2 · 15/10/26 · Sekou Abrahame Keita 88'1–1WPlzen – Union St. GilloiseEuropa League · League phase · MD 1 · 17/09/26 · Relebohile Mofokeng 17', Mateo Biondic 43', Ondrej Kricfalusi 59'0–3LBodo/Glimt – Union St. GilloiseChampions League · 3rd Qualifying Round · 11/08/26 · Guilherme Smith 61', Fuseini 88'3–2DUnion St. Gilloise – Bodo/GlimtChampions League · 3rd Qualifying Round · 04/08/26 · Florucz 25', Florucz 45', David 88'3–3