Estimated outcome probability. A likely winner can still be overpriced.
← Decision briefsTennis · Oct 15, 10:05 AM PDT YOUR RESEARCH TASK FORECASTBianca Andreescu RELIABILITY4/4 model reports MARKET VALUENot established
Bianca Andreescu vs Antonia Ruzic
61.3%Bianca Andreescu
LOCKED Oct 15, 9:30 AM PDT4/4 independent models select Bianca Andreescu; all four oriented probabilities average 61.25%.
Check the evidence
The most important gap and your next source check.
- Read the model reasons and reported limits.
- Inspect available source context; record missing sources.
- Identify what remains unverified and your next action.
24 reported evidence limits. Agreement alone does not establish accuracy.
A probability difference alone does not account for forecast error, fees, spread, or available liquidity.
Why the models lean this way
These are reasons recorded by the models. They are not independently verified facts or measured causes of a probability change.
- Grok: Andreescu 29-17 singles record vs Ruzic 20-26
- Gemini: Bianca Andreescu's season record of 29-17
- Claude: Andreescu season record 29-17 (.630) vs Ruzic 20-26 (.435)
- GPT: Andreescu’s season singles record is 29-17, clearly better than Ruzic’s 20-26.
Read all four model reports
Grok · Bianca Andreescu · 62.0%
Andreescu holds a superior season singles record of 29-17 compared to Ruzic's 20-26. Ruzic has an explicit ranking of 93 while Andreescu's rank is null. No other data is supplied. Surface form, injuries, head-to-head, travel, and market odds are unavailable.
xai/grok-4.3 · Oct 14, 5:02 PM PDTGemini · Bianca Andreescu · 68.0%
Bianca Andreescu has a significantly better season win-loss record (29-17, 63.0% win rate) compared to Antonia Ruzic (20-26, 43.5% win rate). Although Andreescu's current rank is not provided, her strong winning record suggests she is performing at a higher level than Ruzic, who has a losing record despite being ranked 93rd. Surface form, injuries, head-to-head, travel, and market odds are unavailable.
google/gemini-3.1-pro-preview · Oct 14, 5:02 PM PDTClaude · Bianca Andreescu · 57.0%
Evidence is limited to an ESPN rank snapshot and season singles records. Andreescu holds a clearly better 2026 record (29-17, .630) versus Ruzic (20-26, .435), which is the only comparative performance signal available. Against that, Ruzic has a verified ranking (No. 93, down from 83, 823 points) while Andreescu has no rank supplied, suggesting she is outside the ranked list used here or that her wins may come at a lower competitive tier, which caps the size of the edge. Surface-specific form, injuries/fitness, head-to-head history, travel/scheduling, and market odds are not supplied and were not used. Net: a modest lean to Andreescu with wide uncertainty.
anthropic/claude-opus-5 · Oct 14, 5:02 PM PDTGPT · Bianca Andreescu · 58.0%
Using only the supplied evidence, Bianca Andreescu has the stronger current season record at 29-17 versus Antonia Ruzic at 20-26. That is the clearest comparative signal available here, since Andreescu’s current rank is not supplied while Ruzic is ranked No. 93. Ruzic’s explicit top-100 ranking is a meaningful positive indicator for her, but her season win-loss record is materially weaker. With one player favored by season results and the other supported by ranking, the evidence points to Andreescu as a modest favorite rather than a strong one. Surface form, injuries, head-to-head, travel, and market odds are unavailable and cannot be used.
openai/gpt-5.4 · Oct 14, 5:02 PM PDTWhat remains uncertain
- Surface form unavailable
- Injuries unavailable
- Head-to-head unavailable
- Travel unavailable
- Market odds unavailable
- Only ESPN rank and season record supplied
- Surface-specific form is unavailable
- Injuries are unavailable
What to watch next
Official result recorded. Review the original forecast and sources below.
Open the event and source context →What changed before the lock
- 1.3 percentage points lower for Bianca Andreescu
The pre-event probability state was locked atomically and is immutable.
Record hash
2552122603414d4ff30e291b82091abb90a8bdc11d8ddc7ab9674223d6fc01db - First recorded forecast
First prospective probability state captured for this source and competition.
Record hash
e22c8c9f35c3a0a899c7fcde2d4bc729449d78cebca47b7ecb200798855cdd20
Reasons are shown as they were recorded. The ledger does not establish that a specific fact caused a probability change.
The saved method comparison
This event has no eligible record in the new comparison cohort. Historical or late forecasts are not filled in after the event.
Inspect the methods and progress →Available source context
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These links provide event context. They do not verify every claim in a model report.
Recorded outcome: Bianca Andreescu (CAN) bt (1) Antonia Ruzic (CRO) 7-5 3-6 7-5
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