St. Gallen vs Sion Prediction, Preview and Stats
2025/2026 Super League, Switzerland
Super League
Sion SIOSTANDINGS
| Rank | Team | P | W | D | L | GD | Pts | Form |
|---|
| Rank | Team | P | W | D | L | GD | Pts | Form |
|---|
| Rank | Team | P | W | D | L | GD | Pts | Form |
|---|
CONTEXT
St. Gallen hosted Sion in a match that ended 0-3 in favor of the visitors. At halftime, the score was 0-1, with Sion taking an early lead. Despite St. Gallen controlling 54% of possession compared to Sion's 46%, they failed to convert opportunities into goals. Sion, identified as the stronger team pre-match, capitalized efficiently, adding two more goals in the second half without facing any red card disruptions. The result showed minimal structural deviation of 2.4% aligned with Sion's performance. No expected second-half adjustments were noted, and the outcome remained consistent with pre-match evaluations. This victory underscores Sion's clinical finishing against a possession-dominant but ineffective home side.
TL;DR
- Structural deviation: Match result exhibited minimal structural deviation of 2.4% favoring Sion.
- Efficiency shift: Efficiency shift stayed in line with pre-match assessments.
- xG alignment: xG alignment unavailable due to missing data.
- Market alignment: Outcome fully aligned with pre-match market positioning.
- xG expectations: xG expectations unassessable without data.
- Event impact: No notable events altered match dynamics.
- Red card distortion: Zero red cards resulted in no distortion to the scoreline.
Quality vs Volume
Open Play vs Set Play
Expected Points
| Team | xPts |
|---|---|
| Home | 1.8 |
| Away | 1.2 |
Match referee
N. Gianforte
Other match officials
L. Schmid
2nd Assistant
H. Sanli
4th Official
B. Lengacher
1st Assistant


Win Probabilities
Live Win Probability (90 Min)
St. Gallen
SionTeam Power Ranking
i
63.7
63.87
St. Gallen
SionForm Analysis Opponent-Weighted
Line chart of recent results (points/trend). Friendlies excluded by default. Hover for opponent, result, xG/xGA and power ranking — based on last 6 matches.


Heatmaps Ball coordinates
Attack and defence zones from ball position data. Filters: last 6 matches (overall/home/away), time period, competition.
St. Gallen
Sion

Possession Efficiency Possession-Adjusted
How effectively each team uses and defends their share of possession. Efficiency adjusted based on team possession percentage
St. Gallen ⚠ Proxy
Attacking Efficiency 
Defensive Efficiency 
Positive = above league average.
Negative = below league average.
Formula: EfficiencyIndex = z(AttackEff) − z(DefenceEff)




Set Pieces Efficiency Attack & Defence
Set-piece reliance and strength using expected metrics and actual outcomes for each team.
St. Gallen ⚠ Proxy
St. Gallen Sion
St. Gallen Sion
Counter / Transition Attack & Defence
What happens in the 15 seconds immediately after possession changes hands — based on Last 6 matches.
St. Gallen
St. Gallen Sion


St. Gallen Sion


PRESSURE INDEX
Momentum phases from smoothed minute-by-minute pressure.
- St. Gallen had peak pressure around 44'.
- SIO started the game with stronger pressure.
Team Head to Head Last 6 Seasons
Summary of 66 matches between these sides — filtered by competition and venue context.


Match Record 
Goals 
Expected Goals 
Data last updated: 2026-05-04T00:03:01+00:00
STARTING XI
St. Gallen
Sion























































General Information
Next Match

St. Gallen
vs

Lugano
League: Super League
Kickoff: Sun, 10 May - 12:00 PM
Venue: Stadio di Cornaredo

Sion
vs

Thun
League: Super League
Kickoff: Sun, 10 May - 2:30 PM
Venue: Stade de Tourbillon
Statistics
Top Statistics
Match Overview
Attacking
Possession
Defensive
Build-up
Discipline
Lineup
St. GallenManager ▼

Starting XI ▼
















Substitutes ▼





Bench ▼




SionManager ▼

Starting XI ▼
















Substitutes ▼





Bench ▼




Events
CONCLUSION
St. Gallen vs Sion preview with tactical analysis, xG context, lineup signals, and data-backed betting insights for faster decisions.
Use this page as a quick-read snapshot first, then continue to deep stats and methodology references below.
How We Build This Analysis
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Match Commentary