Union Saint-Gilloise and Olympique Marseille face each other in an official match of the 2025/26 UEFA Champions League season. The game takes place at Stade Constant Vanden Stock on Tuesday, 09/12/2025, at 20:00 (UK Time).

Our experts have prepared predictions for Union Saint-Gilloise vs Olympique Marseille, based on detailed statistical review of both teams. Our goal is to assist bettors in making profitable decisions, which is why we offer the best free prediction for today.

APWin predictions for Union Saint-Gilloise vs Olympique Marseille

The top bookmakers have set the odds, and our team has analyzed all relevant match data. See our expert match prediction below:

APWin Prediction

2nd Half Over 1.5 Goals

APWin experts have analyzed the main betting markets and selected high-value bets.

👉 Our prediction is: Over 2.5 goals in the match

We strongly suggest taking the total to go over 2.5 goals in this matchup between Union Saint-Gilloise and Olympique Marseille.

With the high quality of attacking talent on display coupled with the questionable defence of both teams, this bet has a great chance of hitting.

Union Saint-Gilloise preview

Union Saint-Gilloise comes into the match having played 5 games in the UEFA Champions League so far. They have recorded 2 wins, 0 draws, and 3 losses, with an average of 1.2 points per game in the tournament.

In the 2025/26 season across all competitions, the team has achieved 13 wins, 4 draws, and 5 losses.

Union Saint-Gilloise's attack has scored 37 goals during this period. Out of this total, 5 goals were scored in the UEFA Champions League, averaging 1 goals per match. The season's average stands at 1.68.

The offense system of Union Saint-Gilloise is led by Kevin Rodríguez as the top scorer of the season. The ecuadorian midfielder has scored 7 goals. He is supported by the season's best assistant, Christian Burgess, who has contributed with 3 assists.

On the defensive side, the team has conceded 12 goals with an average of 2.4 in the league. In all competitions, the current numbers are 22 goals conceded in 22 matches, resulting in an average of 1.

Olympique Marseille preview

On the other hand, Olympique Marseille comes into the match having played 5 games in the UEFA Champions League so far. They have recorded 2 wins, 0 draws, and 3 losses, with an average of 1.2 points per game in the tournament.

In the 2025/26 season across all competitions, the team has achieved 11 wins, 2 draws, and 7 losses.

Olympique Marseille's attack has scored 43 goals during this period. Out of this total, 8 goals were scored in the UEFA Champions League, averaging 1.6 goals per match. The season's average stands at 2.15.

The offense system of Olympique Marseille is led by Mason Greenwood as the top scorer of the season. The english midfielder has scored 10 goals. He is supported by the season's best assistant, Pierre-Emerick Aubameyang, who has contributed with 5 assists.

On the defensive side, the team has conceded 6 goals with an average of 1.2 in the league. In all competitions, the current numbers are 21 goals conceded in 20 matches, resulting in an average of 1.05.

Head to head: Union Saint-Gilloise vs Olympique Marseille

Review the head-to-head record between the teams, featuring key data to support your match prediction.

Home Team

Union Saint-Gilloise Team Logo

Union Saint-Gilloise

Europe - UEFA Champions League

Form Last 5 PPG
Overall D L W W D

1.6

Home D W W L W

2

Away L W D L W

1.4

Away Team

Olympique de Marseille Team Logo

Olympique de Marseille

Europe - UEFA Champions League

Form Last 5 PPG
Overall L D W W W

2

Home D W W L D

1.6

Away L W W L L

1.2

Access all match stats for Union Saint-Gilloise vs Olympique Marseille

Where to watch Union Saint-Gilloise vs Olympique Marseille live?

Check out the live stream of Union Saint-Gilloise vs Olympique Marseille below and follow the match in real time.

Watch this match

Union Saint-Gilloise logo
X
Olympique de Marseille logo
Where to Watch

Published on 9 December 2025, at 08:31 Last updated on 23 April 2026, at 20:01
Author: Amauri Barbosa

I’m a journalist and content creator with over 7 years of experience in sports betting. At APWin, I live football and betting markets, and outside the screen I’m also a marathon runner always chasing performance.