Estimated outcome probability. A likely winner can still be overpriced.
← Decision briefsTennis · Oct 16, 4:35 AM PDT FORECASTJessica Bouzas Maneiro RELIABILITY4/4 model reports MARKET VALUENot established
Polona Hercog vs Jessica Bouzas Maneiro
57.0%Jessica Bouzas Maneiro
LOCKED Oct 16, 4:00 AM PDT4/4 independent models select Jessica Bouzas Maneiro; all four oriented probabilities average 57%.
19 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.
- Gemini: Jessica Bouzas Maneiro is ranked 99th in the world.
- Claude: Bouzas Maneiro ranked No. 99 with 750 points; Hercog has no listed rank or points
- Grok: Bouzas Maneiro has current rank 99; Hercog rank is null
- GPT: Jessica Bouzas Maneiro has an explicit current WTA rank of No. 99.
Read all four model reports
Gemini · Jessica Bouzas Maneiro · 58.0%
Jessica Bouzas Maneiro holds a top 100 ranking (99), whereas Polona Hercog's ranking is unlisted. Although Hercog has a better season win-loss record (25-20) compared to Bouzas Maneiro (23-27), Bouzas Maneiro's established WTA ranking suggests she has been competing against higher-tier opponents. Surface form, injuries, head-to-head, travel, and market odds are unavailable.
google/gemini-3.1-pro-preview · Oct 15, 5:02 PM PDTClaude · Jessica Bouzas Maneiro · 59.0%
Only two evidence dimensions are supplied: current ranking and season singles win-loss. Bouzas Maneiro has an explicit top-100 ranking (99, 750 points, slightly down from 96), while Hercog has no listed rank or ranking points, which typically implies competition outside the tour ranking list or at lower-tier events. Hercog's better raw record (25-20, .556 vs 23-27, .460) partially offsets this, but wins accumulated without a ranking are likely against weaker fields, so the ranked player gets a modest edge in a WTA quarterfinal. Neither player has a title this season. Surface-specific form, injuries/fitness, head-to-head, travel/scheduling, and market odds are explicitly unavailable in this evidence package, so the estimate stays close to a coin flip.
anthropic/claude-opus-5 · Oct 15, 5:02 PM PDTGrok · Jessica Bouzas Maneiro · 55.0%
Jessica Bouzas Maneiro holds an explicit WTA rank of 99 with 750 ranking points while Polona Hercog has null rank and points. Season records show Hercog at 25-20 and Bouzas Maneiro at 23-27. Surface form, injuries, head-to-head, travel, and market odds are unavailable as they are not supplied in the evidence package. The estimate favors the ranked player with a modest edge.
xai/grok-4.3 · Oct 15, 5:02 PM PDTGPT · Jessica Bouzas Maneiro · 56.0%
Using only the supplied evidence, Jessica Bouzas Maneiro has the clearer ranking signal: she is explicitly ranked No. 99, while Polona Hercog has no current rank supplied. Season record slightly favors Hercog on win percentage (25-20 vs 23-27), which pulls the estimate back toward even. Balancing the stronger ranking evidence for Bouzas Maneiro against Hercog’s better season win-loss record, Bouzas Maneiro is a modest favorite rather than a strong one. Surface form, injuries, head-to-head, travel, and market odds are unavailable and therefore not used.
openai/gpt-5.4 · Oct 15, 5:01 PM PDTWhat remains uncertain
- Surface form, injuries, head-to-head, travel, and market odds are unavailable.
- Hercog's ranking is missing, making it difficult to assess the exact level of her competition.
- No surface-specific form data supplied
- No injury or fitness information
- No head-to-head record
- No travel or scheduling context
- No market odds for calibration
- Hercog's missing rank makes level-of-competition inference speculative
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
- 1.8 percentage points lower for Jessica Bouzas Maneiro
The pre-event probability state was locked atomically and is immutable.
Record hash
5dae047ada8be4ac94c6eaa0766e1eb1a735ade0d4dfec00300e21286b6cc5f0 - First recorded forecast
First prospective probability state captured for this source and competition.
Record hash
b8ea838008372235cbc866e126a22e01a1fb9d8d0d81033881c68c492dc77c20
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.
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Recorded outcome: (1) Jessica Bouzas Maneiro (ESP) bt Polona Hercog (SLO) 4-6 6-1 6-4
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