Predictions / Football / Japan. J1 League / Urawa vs Sanfrecce Hiroshima

Prediction Audit: Urawa vs Sanfrecce Hiroshima Prediction, Odds & AI Betting Tips

Urawa Urawa
Aug 15, 2026 - 10:00
1 1.05
4 2.06
xG Accuracy: 58%
Sanfrecce Hiroshima Sanfrecce Hiroshima

AI correctly predicted the Sanfrecce Hiroshima win.

The match finished 1–4, validating the model's directional assessment.

Tracked markets vs full-time result

Prediction grade A

Each row compares the pre-match model lean to the full-time result.

  • Market Prediction Result Outcome
  • Over / Under 2.5 Over 2.5 Over 2.5 (5 goals) ✔ Correct
  • Both Teams To Score BTTS Yes Yes ✔ Correct
  • 1X2 Sanfrecce Hiroshima Sanfrecce Hiroshima ✔ Correct
  • Correct Score Insights 1-2, 1-1, 0-2, 0-1, 1-3 1-4 ✖ Incorrect

Model vs Closing Market

Strong Disagreement

The model rates Sanfrecce Hiroshima considerably stronger than the closing betting market.

Largest probability gap: Sanfrecce Hiroshima +10.1 pp

Outcome Model Closing Market Difference Signal
Urawa 17.3% 24.0% -6.7 pp Market Higher
Draw 23.3% 26.7% -3.4 pp Aligned
Sanfrecce Hiroshima 59.4% 49.3% +10.1 pp Model Edge

The statistical model estimates Sanfrecce Hiroshima's win probability at 59.4%, compared with the closing market's implied probability of 49.3%, a difference of 10.1 percentage points. This highlights a substantial disagreement between the model's assessment and the market consensus, rather than indicating which view is ultimately correct.

Model probabilities are generated from the statistical xG model using a Poisson distribution. Closing market probabilities are derived from consensus closing 1X2 odds after margin removal. Values represent implied probabilities rather than betting recommendations. Closing snapshot: PRE1.

After full time, the model's directional lean matched the result (Sanfrecce Hiroshima win 1–4).

Market Assessment

The statistical fair estimate is materially higher than the market on Sanfrecce Hiroshima.

  • The model may see a slower-scoring or closer matchup than the market.
  • Monitor line movement before kickoff — not a betting recommendation.

Post Match Insights

What worked

  • Expected goals projected a high-scoring match (ΣxG 3.11) — 5 goals materialised
  • Sanfrecce Hiroshima attacking xG significantly stronger (2.06 vs 1.05)
  • Both Teams To Score (Yes) matched the full-time result

What failed

  • Exact score: outside the model's top score bins

Market lesson

Large model–market gaps do not automatically mean the market is right. Here the closing market priced Sanfrecce Hiroshima more conservatively (49.3% vs model 59.4%, 10.1 pp), but the model's lean was validated (Sanfrecce Hiroshima win 1–4).

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Prediction Timeline

How this prediction moved from forecast to full-time review.

  1. Aug 15, 2026 · 09:59 UTC Forecast generated
    • Model 1X2 · Urawa 17.3% · Draw 23.2% · Sanfrecce Hiroshima 59.5%
    • xG · Urawa 1.05 — Sanfrecce Hiroshima 2.06
  2. Aug 15, 2026 · 09:31 UTC Opening odds snapshot PRE30
    • 1X2 odds · Urawa 4.00 · Draw 3.60 · Sanfrecce Hiroshima 1.95
    • Implied 1X2 · Urawa 24.0% · Draw 26.7% · Sanfrecce Hiroshima 49.3%
    • Bookmaker · Pinnacle
  3. Aug 15, 2026 · 09:59 UTC Closing snapshot recorded PRE1
    • 1X2 odds · Urawa 4.00 · Draw 3.60 · Sanfrecce Hiroshima 1.95
    • Implied 1X2 · Urawa 24.0% · Draw 26.7% · Sanfrecce Hiroshima 49.3%
    • Bookmaker · Pinnacle
  4. Aug 15, 2026 · 10:00 UTC Kickoff
  5. FT Full-time result Sanfrecce Hiroshima win · 1–4
  6. FT Prediction validated Directional lean matched full-time result
  7. Archived Prediction review

Historical Snapshot

Frozen at kickoff — the model output as it stood before the match started.

Historical verdict: Monitor
Historical Decision Monitor
Outcome Validated
Pre-match metrics (historical context)
Prediction Reliability 52/100 · Moderate
  • Validation: Warning
  • Large market gap (10 pp)
  • High xG deviation from league baseline (53%+)
Evidence ★★★★★
  • Strong model lean
  • Market has already priced much of the edge
  • Validation warning
Pricing proximity (inverse gap) 49/100
Betting Confidence 41/100

Validation Report

Immutable Snapshot

Prediction Time: Aug 09, 2026 · 01:14 UTC Snapshot ID: dp-3339263

Closing Odds 1.95
AI Fair Odds —
CLV Pending
Final Result Sanfrecce Hiroshima win · Urawa 1–4 Sanfrecce Hiroshima
Prediction ✔ Correct
Decision Grade A

Model Performance

This prediction contributes to:

  • Primary Bets ROI (180d): -100.0%

Review FAQ

How accurate was the prediction?
This page grades directional markets (1X2, Over/Under 2.5, BTTS) against the full-time result. The prediction grade reflects how many of those tracked markets matched reality.
What does xG Accuracy measure?
xG Accuracy compares the model's pre-match expected-goals profile to the actual scoreline — not whether every market hit. A strong directional review can coexist with a moderate xG accuracy score.
Why wasn't the exact score predicted?
Correct-score outcomes are low-probability tails even when the model reads the match profile well. We highlight top score bins for context; missing the exact line does not invalidate a directional review.
Does this improve the AI record?
Each finished match is logged in our validation pipeline. Aggregated hit rates and CLV studies are published separately — this page is the per-match audit trail.

Predictions are for informational purposes only. Always gamble responsibly and within your limits. Past performance does not guarantee future results.

AI match briefing

AI Match Summary

Below is a compact, numbers-first snapshot aligned with the same engine as the cards above.

  • League: J1 League
  • Fixture: Urawa vs Sanfrecce Hiroshima
  • Kickoff: 2026-08-15 10:00:00
  • 1X2 (model): Home 17.3% · Draw 23.2% · Away 59.5%
  • xG (showing): Urawa 1.05 — Sanfrecce Hiroshima 2.06 (total xG ≈ 3.11)
  • Best +EV line (same label as hero card when Primary thresholds are not met): Sanfrecce Hiroshima
  • Model: 59.5% · Implied: 49.3% · Probability edge: +10.2 pts · Est. EV: +6.2%
  • BTTS (model): Yes 58.0% · No 42.0%
  • Correct score (top bin): 1-2 (9.9%)

Where EV is shown, it is estimated return per unit stake at the best tracked decimal price — not the same thing as a raw probability gap.

1X2 can look balanced even when side markets show clearer structure.

Historical Recommendation

Historical Decision: Monitor

Outcome: Validated — Pre-match lean validated against the full-time result.

Risk Factors Considered Before Kickoff

  • Price movement: implied probabilities and EV move with odds.
  • Sample / data gaps: low-information leagues widen forecast bands.
  • In-play state: goals and red cards are not modelled here.
  • Scoreline variance: the most likely scoreline is still usually a low absolute probability outcome (often well below 20%).

Last Updated

September 29, 2026 (UTC)

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J1 League J1 League — Standings
# TEAM MP W D L PTS
1 Vissel Kobe 8 6 1 1 19
2 Kashiwa Reysol 8 6 0 2 18
3 Sanfrecce Hiroshima 8 5 2 1 17
4 Machida Zelvia 8 5 2 1 17
5 FC Tokyo 8 5 2 1 17
6 Yokohama F. Marinos 8 4 2 2 14
7 Kawasaki Frontale 8 3 4 1 13
8 Kashima 8 4 1 3 13
9 Fagiano Okayama 8 4 1 3 13
10 Urawa 8 4 0 4 12
11 Cerezo Osaka 8 3 2 3 11
12 Shimizu S-pulse 8 3 1 4 10
13 Mito Hollyhock 8 2 3 3 9
14 Kyoto Sanga 8 2 2 4 8
15 V-varen Nagasaki 8 2 2 4 8
16 Gamba Osaka 8 1 3 4 6
17 Nagoya Grampus 8 2 0 6 6
18 Avispa Fukuoka 8 1 1 6 4
19 Tokyo Verdy 8 0 4 4 4
20 JEF United Chiba 8 1 1 6 4
# TEAM MP GS GC +/- PTS
1 Machida Zelvia 8 21 10 +11 17
2 Sanfrecce Hiroshima 8 20 6 +14 17
3 Kashiwa Reysol 8 17 12 +5 18
4 Kashima 8 17 16 +1 13
5 Kawasaki Frontale 8 16 12 +4 13
6 Urawa 8 16 18 -2 12
7 FC Tokyo 8 14 8 +6 17
8 Yokohama F. Marinos 8 13 9 +4 14
9 Vissel Kobe 8 12 5 +7 19
10 Fagiano Okayama 8 11 10 +1 13
11 Mito Hollyhock 8 11 11 0 9
12 Kyoto Sanga 8 11 15 -4 8
13 V-varen Nagasaki 8 10 15 -5 8
14 Avispa Fukuoka 8 9 12 -3 4
15 Gamba Osaka 8 8 14 -6 6
16 Cerezo Osaka 8 7 12 -5 11
17 Nagoya Grampus 8 7 14 -7 6
18 JEF United Chiba 8 7 18 -11 4
19 Shimizu S-pulse 8 6 8 -2 10
20 Tokyo Verdy 8 4 12 -8 4
# TEAM MP xG xGC +/- PTS
1 V-varen Nagasaki 8 3.7 1.7 +2.0 8
2 Sanfrecce Hiroshima 8 2.2 0.6 +1.6 17
3 Yokohama F. Marinos 8 3.0 1.5 +1.5 14
4 Vissel Kobe 8 2.3 0.9 +1.4 19
5 FC Tokyo 8 3.0 1.7 +1.3 17
6 Cerezo Osaka 8 1.8 1.1 +0.7 11
7 Urawa 8 1.9 1.4 +0.5 12
8 Fagiano Okayama 8 1.3 0.8 +0.5 13
9 Mito Hollyhock 8 1.6 1.3 +0.3 9
10 Kashima 8 1.3 1.6 -0.3 13
11 Avispa Fukuoka 8 1.4 1.9 -0.5 4
12 JEF United Chiba 8 0.8 1.3 -0.5 4
13 Kashiwa Reysol 8 1.1 1.8 -0.7 18
14 Shimizu S-pulse 8 1.7 3.0 -1.3 10
15 Tokyo Verdy 8 0.9 2.3 -1.4 4
16 Kyoto Sanga 8 1.5 3.0 -1.5 8
17 Nagoya Grampus 8 0.6 2.2 -1.6 6
18 Gamba Osaka 8 1.7 3.7 -2.0 6
19 Machida Zelvia 8 — — — 17
20 Kawasaki Frontale 8 — — — 13