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Tennis · Oct 16, 10:00 PM PDT

Jeline Vandromme vs Alycia Parks

65.0%Alycia Parks
LOCKED Oct 16, 9:00 PM PDT

4/4 independent models select Alycia Parks; all four oriented probabilities average 65%.

FORECASTAlycia Parks

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

RELIABILITY4/4 model reports

18 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.

  • Gemini: Alycia Parks is ranked No. 64 with 985 ranking points.
  • Claude: Ranking gap: Parks 64 vs Vandromme 123 (~59 places)
  • Grok: Parks current rank 64 superior to Vandromme 123
  • GPT: Parks has the stronger current ranking: 64 vs 123
Read all four model reports

Gemini · Alycia Parks · 68.0%

Alycia Parks holds a significant ranking advantage over Jeline Vandromme, sitting at world No. 64 compared to Vandromme's No. 123. Parks also has substantially more ranking points (985 to 601). While Vandromme's season record is unavailable, Parks's higher rank and point total make her the clear favorite in this matchup. Surface form, injuries, head-to-head, travel, and market odds are unavailable.

google/gemini-3.1-pro-preview · Oct 16, 5:02 PM PDT

Claude · Alycia Parks · 64.0%

Only two facts are usable: current ESPN rankings and one season record. Parks is ranked 64 (985 points) versus Vandromme at 123 (601 points), a gap of roughly 59 places and a meaningful points edge, with both players trending upward (Parks 70->64, Vandromme 128->123). A ~60-place ranking advantage in a WTA-level match historically converts to roughly a 60-67% win rate for the higher-ranked player. Parks' 27-30 season record is sub-.500 but accrued at a higher competitive tier, and no record is supplied for Vandromme, so it cannot sharpen the estimate. Surface-specific form, injuries/fitness, head-to-head, travel/scheduling, and market odds are all unavailable, so I keep the estimate near the ranking-implied baseline rather than pushing it higher.

anthropic/claude-opus-5 · Oct 16, 5:02 PM PDT

Grok · Alycia Parks · 65.0%

Alycia Parks holds the superior current rank (64 vs 123) and ranking points (985 vs 601) with a documented 27-30 singles record; Jeline Vandromme's win-loss record is null. 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 16, 5:02 PM PDT

GPT · Alycia Parks · 63.0%

Alycia Parks rates as the evidence-based favorite from the immutable package: she is ranked 64 versus 123 for Jeline Vandromme and also improved from 70 to 64, while Vandromme improved from 128 to 123. Parks’ supplied 2026 singles record is 27-30; Vandromme’s season W-L is unavailable. Surface form, injuries, head-to-head, travel, and market odds are unavailable, so the estimate is driven mainly by the sizable ranking edge.

openai/gpt-5.4 · Oct 16, 5:02 PM PDT

What remains uncertain

  • Surface form, injuries, head-to-head, travel, and market odds are unavailable.
  • Jeline Vandromme's season win-loss record is not supplied.
  • No surface-specific (hard-court) form supplied
  • No injury or fitness information available
  • No head-to-head history provided
  • No travel or scheduling/rest data
  • No market odds or implied probabilities
  • Vandromme's season win-loss record is null, preventing direct form comparison

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. 1.3 percentage points lower for Alycia Parks

    The pre-event probability state was locked atomically and is immutable.

    Record hash3e3b288cfc12ce8d065f03eb8070db9d25f81e394e011ebcbb12e95842e868a7
  2. First recorded forecast

    First prospective probability state captured for this source and competition.

    Record hashab921e29f51ea2c9cd9a9c2573c8766fd86793daa7d3d76b5152c0432ed1ce9b

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 Alycia Parks. Model inputs were fixed at Oct 16, 9:00 PM PDT. The market was observed at Oct 16, 8:55 PM PDT.

Current TORK65.0%
Simple average65.0%
Calibrated average66.4%
Kalshi40.0%
Comparison record

Saved Oct 16, 9:00 PM PDT. This is a research comparison; no method has been promoted.

10221c6460475f2ee895afb64b6407778dc34b3e667b6ae64bb20aafa1686d5e
Inspect the methods and progress →

Available 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 ↗sports.core.api.espn.com ↗

These links provide event context. They do not verify every claim in a model report.

Recorded outcome: Alycia Parks (USA) bt Jeline Vandromme (BEL) 4-6 4-4 ret

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