Champions LeaguePeriod 2025–26
Union SG - Olympique de Marseille
Forest / Brussels, Belgium · 2-3
€2.3m
Real economy activation · whole event
StageMatchday 6
Match date9 Dec 2025
VenueStade Joseph Mariën
Attendance16,214
International visitors2,554
Overnight stays6,946
CompetitionUEFA Champions League
Host cityForest / Brussels
More in Forest / Brussels · 2025–26
| 21 Oct 2025 | Champions League | Union SG - Inter | €2.3m |
| 1 Oct 2025 | Champions League | Union SG - Newcastle United | €2.3m |
| 28 Jan 2026 | Champions League | Union SG - Atalanta | €2.1m |
Source: Reputation League · FEAF v2.2 · conservative floor estimate · ID EVT-UCL-20251209-UNI-OM