Declined after researchCandidate · not a published position
Tennis · ATP US Open · Starts
NOT AN OFFICIAL GLINTARY POSITION
This candidate was researched and did not become a published position. Nothing here was ever on the Board, in the Ledger or on X. Researched, assessed on merit and not published. Most candidates are meant to end here. The engine records this decision as PASS, which means the candidate passed through without a position.
Decision
Outcome
Declined after research
Decided
Main reason
Evidence grade below the lockable set (and 2 more)
Gates that did not pass
EvidenceToo few distinct sourcesFailed
PriceRecorded price below the minimum qualifying oddsFailed
UncertaintyEvidence grade below the lockable setFailed
Full gate trace (9 gates)Every gate in order, with its outcome and the reason code in words.
Event integrityReal, identified, pre-match fixture inside the lock windowPassed
EvidenceToo few distinct sourcesFailed
PriceRecorded price below the minimum qualifying oddsFailed
Price sourcePrice attributable to an identified source (global reference only)Passed
FreshnessPrice, evidence and personnel information within the age limitsPassed
UncertaintyEvidence grade below the lockable setFailed
Adversarial reviewAdversarial review raised no blocking objectionPassed
DuplicationNo conflicting positionPassed
PresentationPresentation compliantPassed
Research
Evidence grade CAdversarial review · Medium
Arthur Gea vs. Botic van de Zandschulp - 2026 US Open Round of 16
Arthur Gea faces Botic van de Zandschulp in the Round of 16 at the 2026 US Open at Flushing Meadows (CL-57edbf38-2b0, CL-ce5c09cf-4bc). While an outlier quote of 2.550 at Unibet AU nominally clears the acceptable pricing threshold of 2.55 against a de-vigged fair price of 2.456, the case rests on an unverified Tier 3 prediction market fixture source with zero longitudinal price movement data.
Primary case
Arthur Gea and Botic van de Zandschulp are scheduled to compete in the Round of 16 at the 2026 US Open on September 7, 2026 (CL-57edbf38-2b0).
Arthur Gea brings a 2026 season record of 41 wins and 16 losses, including 22 wins and 3 losses on hard courts (CS-6e2d6d66-ed8).
This marks the first head-to-head match between Arthur Gea and Botic van de Zandschulp, who has won 55% of tournament points played to date (CS-1dea975c-978).
Major uncertainty
The position rests on only one material claim (CL-57edbf38-2b0), which is sourced exclusively from a Tier 3 retail prediction market (CS-d6520afd-253) rather than official tournament or ATP sources, leaving the evidence grade at C (non-lockable).
Market context
The best global price is observed at 2.550 via operator Unibet in Australia as of 2026-09-06T10:00:00.611Z, with no executable price currently recorded.
The consensus reference price across 55 tracked operators is 2.330, yielding a proportional two-way de-vigged fair price of 2.456 (40.71% fair win probability) against a 5.42% overround.
Dispersion among the 55 tracked sportsbooks sits at 9.44%.
Price movement cannot be established due to null opening prices across the single recorded observation sample.
What the price requires
The available price of 2.550 requires a win probability exceeding 39.22% to break even, compared to the market reference fair probability of 40.71%.
Factoring in a 2.00% edge buffer and a 1.50% uncertainty margin establishes an acceptable threshold price of 2.55, which the current Unibet quote meets exactly with an edge of 3.83%.
Material findings and their support5
Availability · material · for the caseArthur Gea and Botic van de Zandschulp are scheduled to face each other in the Round of 16 at the 2026 US Open on September 7, 2026.Supported
Venue · for the caseThe 2026 US Open tournament is hosted at Flushing Meadows in New York.Supported
Statistic · against the caseArthur Gea advanced through earlier rounds defeating Juan Manuel Cerundolo (6-3, 2-6, 3-6, 6-3, 6-1) in the first round and Zachary Svajda (5-7, 6-3, 6-2, 6-2) in the second round.Unsupported
Statistic · against the caseBotic van de Zandschulp defeated sixth seed Alex de Minaur in straight sets (6-4, 7-5, 6-2) in the second round of the 2026 US Open.Unsupported
Statistic · against the caseArthur Gea had never previously competed in the US Open before the 2026 edition.Unsupported
Adversarial review
The strongest case against the candidate, as recorded before the decision.
The position rests on only one material claim (CL-57edbf38-2b0), which is sourced exclusively from a Tier 3 retail prediction market (CS-d6520afd-253) rather than official tournament or ATP sources, leaving the evidence grade at C (non-lockable).
Blocking questions and why the market may be right
Why the market may simply be right
The consensus median across 55 independent sportsbooks prices Gea at 2.330 with a fair value of 2.456, making Unibet's 2.550 a lone tail quote that may simply be lagging the market.
Botic van de Zandschulp is an established tour-level player, whereas Arthur Gea is in his debut Grand Slam, which the broader market may be properly pricing into the underdog tag.
Why it entered research
Deterministic screening facts recorded when the scan admitted this selection. No model was involved at this step.
The screening row for this candidate was not retained.
Market
Moneyline
Best verified price
2.480
Market reference
2.350 · 55 operators
Minimum Qualifying Odds
2.56 · edge 0.45%
Technical detailsCandidate and scan identifiers, policy version, raw timestamps.
