Tennis · Oct 17, 11:00 PM PDT

Rei Sakamoto vs Gabriel Diallo

57.3%Gabriel Diallo

NOT LOCKED

4/4 independent models select Gabriel Diallo; all four oriented probabilities average 57.25%.

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FORECASTGabriel Diallo

Estimated outcome probability. A likely winner can still be overpriced.

RELIABILITY4/4 model reports

19 reported evidence limits. Agreement alone does not establish accuracy.

MARKET VALUENot established

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: Ranking edge: Diallo 121 vs Sakamoto 137 (small but real)
Gemini: Gabriel Diallo is ranked higher (121) than Rei Sakamoto (137).
GPT: Gabriel Diallo is ranked higher: No. 121 vs Rei Sakamoto at No. 137.
Grok: Diallo current rank 121 better than Sakamoto 137

Read all four model reports

Claude · Gabriel Diallo · 55.0%

Only two evidence dimensions are usable: current ranking and season singles win-loss. Diallo is ranked 121 to Sakamoto's 137, a modest 16-place edge that historically translates into only a small win-probability advantage. Season records are both weak and ambiguous as a tiebreaker: Sakamoto is 3-5 (37.5%) over a tiny eight-match sample, Diallo 10-19 (34.5%) over a larger but likely tougher main-draw slate, which arguably favors Diallo on quality of opposition. Diallo's ranking has slipped slightly (118 to 121) while Sakamoto's is flat, tempering the edge. Surface-specific form, injury status, head-to-head, travel/fatigue, and market odds are all explicitly unavailable in this package, so the estimate stays close to a coin flip.

anthropic/claude-opus-5 · Oct 17, 3:40 AM PDT

Gemini · Gabriel Diallo · 58.0%

Gabriel Diallo holds a slight edge in ranking (121 vs 137) and ranking points (500 vs 423). Furthermore, Diallo has significantly more ATP-level match experience this season (29 matches played vs 8 for Sakamoto), which often translates to an advantage in qualifying finals, despite both players having sub-.500 win records.

google/gemini-3.1-pro-preview · Oct 17, 3:40 AM PDT

GPT · Gabriel Diallo · 56.0%

Using only the supplied evidence, Gabriel Diallo has a modest edge. He is ranked higher than Rei Sakamoto (121 vs 137) and has more ranking points (500 vs 423), which are the strongest indicators in this limited package. His season win-loss record is worse by win percentage (10-19 vs 3-5), but both records are small-to-moderate samples and may reflect different schedule strength; the higher ATP rank still points slightly toward Diallo overall. Because the evidence package includes only current ranking and season singles record, this should be treated as a narrow, evidence-bounded estimate. Surface form, injuries, head-to-head, travel, and market odds are unavailable, and no adjustment can be made for them.

openai/gpt-5.4 · Oct 17, 3:40 AM PDT

Grok · Gabriel Diallo · 60.0%

Gabriel Diallo holds the superior current rank (121 vs 137), more ranking points (500 vs 423), and a stronger season singles record (10-19 vs 3-5). These supplied facts indicate Diallo as the stronger player on paper. Surface form, injuries, head-to-head, travel, and market odds are unavailable as they are not supplied in the evidence package.

xai/grok-4.3 · Oct 17, 3:40 AM PDT

What remains uncertain

Surface-specific form not supplied (Almaty is indoor hard, but no surface splits given)
Injury and fitness status unavailable
Head-to-head record unavailable
Travel, scheduling, and fatigue data unavailable
Market odds unavailable, so no external price anchor
Season win-loss samples are small and lack opponent-quality context
Surface form, injuries, head-to-head, travel, and market odds are unavailable.
Only current ESPN ranking and season singles record are provided.

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What changed before the lock

Oct 17, 3:40 AM PDT · house adjudication completedFirst recorded forecast
First prospective probability state captured for this source and competition.
Record hash
9ee9ad5029b27e915766dfe5246ba82bf085a0bb289e7bda16ee40e873b22b25

Reasons are shown as they were recorded. The ledger does not establish that a specific fact caused a probability change.

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Available source context

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