Estimated outcome probability. A likely winner can still be overpriced.
← Decision briefsTennis · Oct 13, 10:20 PM PDT YOUR RESEARCH TASK FORECASTDiana Shnaider RELIABILITY4/4 model reports MARKET VALUENot established Current TORK72.8% Simple average72.8% Calibrated average74.9% Kalshi75.0% Inspect the methods and progress →
Diana Shnaider vs Yulia Putintseva
72.8%Diana Shnaider
LOCKED Oct 13, 9:00 PM PDT4/4 independent models select Diana Shnaider; all four oriented probabilities average 72.75%.
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A documented difference, its timing, and limits.
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23 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: Shnaider's rank of 13 compared to Putintseva's 79
- Grok: Higher current ranking (13 vs 79)
- Claude: Ranking gap: No. 13 vs No. 79 (2,643 vs 904 points)
- GPT: Shnaider is ranked No. 13 compared with Putintseva at No. 79.
Read all four model reports
Gemini · Diana Shnaider · 72.0%
Diana Shnaider holds a significant ranking advantage (No. 13 vs No. 79) and has nearly triple the ranking points of Yulia Putintseva (2643 vs 904). Shnaider also boasts a better season win-loss record (29-20, 59.2%) compared to Putintseva (24-21, 53.3%), making her the clear favorite based on the provided metrics.
google/gemini-3.1-pro-preview · Oct 13, 5:01 PM PDTGrok · Diana Shnaider · 75.0%
Based on supplied facts, Diana Shnaider is ranked 13 with 2643 points and 29-20 record, while Yulia Putintseva is ranked 79 with 904 points and 24-21 record. Shnaider is the clear favorite. Surface form, injuries, head-to-head, travel, and market odds are unavailable.
xai/grok-4.3 · Oct 13, 5:01 PM PDTClaude · Diana Shnaider · 70.0%
Shnaider is ranked No. 13 with 2,643 ranking points versus Putintseva at No. 79 with 904 points — a roughly 66-place gap and nearly 3x the points, which is the strongest signal available. Season records modestly favor Shnaider as well (29-20, .592 vs 24-21, .533), though the win-rate edge is smaller than the ranking gap because higher-ranked players face tougher draws. Putintseva is a seasoned tour veteran capable of upsets against bigger hitters, and the modest record differential plus her stable/slightly improving ranking (82 to 79) argue against a lopsided number. Surface-specific form, injuries, head-to-head, travel/fatigue, and market odds are all explicitly unavailable in this evidence package, so this estimate rests solely on ranking and season win-loss data.
anthropic/claude-opus-5 · Oct 13, 5:01 PM PDTGPT · Diana Shnaider · 74.0%
Using only the supplied evidence, Diana Shnaider should be favored. She has a much stronger current ranking (No. 13 vs No. 79), substantially more ranking points (2643 vs 904), and a slightly better 2026 singles record (29-20 vs 24-21). Both players have improved slightly versus their previous rankings, so recent rank direction does not separate them much. The ranking gap is the clearest signal in the package and supports Shnaider as the likely winner. Surface form, injuries, head-to-head, travel, and market odds are unavailable in the evidence, so this estimate remains bounded by general ranking and season-record strength only.
openai/gpt-5.4 · Oct 13, 5:01 PM PDTWhat remains uncertain
- Surface form is unavailable
- Injuries are unavailable
- Head-to-head records are unavailable
- Travel schedules are unavailable
- Market odds are unavailable
- Evidence scope limited to current ESPN ranking and season singles record only
- Surface-specific form unavailable
- Injuries 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
- 0.4 percentage points lower for Diana Shnaider
The pre-event probability state was locked atomically and is immutable.
Record hash
f4b70fa76ebb7bcb545f185efe5c3e89b3aad8cd0e994c73bd5cb92b72093ce4 - First recorded forecast
First prospective probability state captured for this source and competition.
Record hash
a8e1174995c05490b9325e034985b0644561fd6ed39426c21a76f784a94d40fc
Reasons are shown as they were recorded. The ledger does not establish that a specific fact caused a probability change.
The saved method comparison
All probabilities below refer to Diana Shnaider. Model inputs were fixed at Oct 13, 9:00 PM PDT. The market was observed at Oct 13, 8:55 PM PDT.
Comparison record
Saved Oct 13, 9:04 PM PDT. This is a research comparison; no method has been promoted.
dc875ddcaf8a9bec62d14518a826f969e18ede3ee673d6d30e1e1149e7f0ba58Available source context
site.api.espn.com ↗sports.core.api.espn.com ↗sports.core.api.espn.com ↗sports.core.api.espn.com ↗sports.core.api.espn.com ↗sports.core.api.espn.com ↗site.api.espn.com ↗
These links provide event context. They do not verify every claim in a model report.
Recorded outcome: (11) Diana Shnaider (RUS) bt Yulia Putintseva (KAZ) 6-2 6-2
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