Estimated outcome probability. A likely winner can still be overpriced.
← Decision briefsTennis · Oct 17, 9:30 PM PDT FORECASTPending RELIABILITY4/4 model reports MARKET VALUENot established
Yulia Putintseva vs Alycia Parks
—No winner forecast available
NOT LOCKED4/4 models published a direction, but no side earned a three-model majority.
21 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.
- Claude: Parks ranked 64 vs Putintseva 79; ranking points nearly level (985 vs 904)
- Gemini: Yulia Putintseva's positive season win-loss record (24-21)
- Grok: Parks current rank 64 superior to Putintseva rank 79
- GPT: Alycia Parks holds the higher current rank: 64 vs 79.
Read all four model reports
Claude · Yulia Putintseva · 51.0%
The two supplied indicators point in opposite directions and roughly cancel. Parks holds the better current ranking (64 vs 79) and marginally more ranking points (985 vs 904), which would normally favor her. However, Putintseva has the clearly better 2026 win rate (24-21, .533 vs 27-30, .474), suggesting Parks' ranking is supported more by a few deep runs or volume of play than by consistent match-level results. A 15-place rank gap this deep in the rankings is small in predictive terms, so the record differential is enough to nudge the estimate to a near coin flip with a sliver of lean to Putintseva. Surface-specific form, injury/fitness status, head-to-head history, travel/scheduling load, and market odds are all unavailable in this evidence package, so no adjustment for those factors is possible.
anthropic/claude-opus-5 · Oct 17, 3:05 AM PDTGemini · Yulia Putintseva · 53.0%
Although Alycia Parks holds a slightly higher ranking (64 vs 79) and has more ranking points, Yulia Putintseva has a better season win-loss record (24-21, 53.3%) compared to Parks' negative record (27-30, 47.4%). Putintseva's positive win rate suggests better consistency this season, giving her a slight edge in a closely matched contest.
google/gemini-3.1-pro-preview · Oct 17, 3:05 AM PDTGrok · Alycia Parks · 53.0%
Alycia Parks holds the superior current rank (64 vs 79) and ranking points (985 vs 904). Season singles records are close but favor Putintseva on win rate. Surface form, injuries, head-to-head, travel, and market odds are unavailable per evidence scope. Estimate is bounded strictly to supplied rank and W-L data.
xai/grok-4.3 · Oct 17, 3:05 AM PDTGPT · Alycia Parks · 54.0%
Using only the supplied evidence, Alycia Parks has a modest edge. She is ranked higher than Yulia Putintseva (64 vs 79), has more ranking points (985 vs 904), and has more singles wins this season (27 vs 24). Putintseva does have the better season win-loss efficiency, with a winning record of 24-21 compared with Parks' 27-30, which narrows the gap. With the available evidence limited to current ranking and overall season singles record, the ranking and points advantage slightly outweigh Putintseva's better win percentage, so Parks is estimated as a small favorite rather than a strong one. Surface form, injuries, head-to-head, travel, and market odds are unavailable in the evidence package.
openai/gpt-5.4 · Oct 17, 3:05 AM PDTWhat remains uncertain
- No surface-specific or recent-form data (indoor/outdoor hard split unavailable)
- No injury, withdrawal, or fitness information
- No head-to-head record supplied
- No travel, rest-days, or scheduling context
- No market odds or implied probabilities for calibration
- Season win-loss totals lack opponent-quality weighting
- Surface form is unavailable
- Injuries are unavailable
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- First recorded forecast
First prospective probability state captured for this source and competition.
Record hash
f0405da7107945ae94a21ec903d129cb187c33d19414625cfe43a35d6dbd9821
Reasons are shown as they were recorded. The ledger does not establish that a specific fact caused a probability change.
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