# Vacherot vs Fils: a 99.95% quote is not a verified result The exact match, advancement rule and status of play determine what a tennis winner contract means. Canonical article: https://www.homeincomelab.com/stories/atp-vachero-fils-2026-10-03 Publisher: The Outlook By: The Outlook editorial desk Category: Sports Analysis as of: 2026-10-04T10:30:51.735578Z Decision guide market prices observed: 2026-10-04T09:57:48.323Z Published: 2026-10-04T10:30:51.735578Z ## Quick answer The contract covers Japan Open Tennis Championships: Valentin Vacherot vs Arthur Fils, originally scheduled for October 3, 2026 at 9:00PM ET. Valentin Vacherot was quoted at 99.95% in our October 4 data. This is a dated market observation; a final score has not been independently verified for this explainer. [1](https://polymarket.com/event/atp-vachero-fils-2026-10-03) ## Key takeaways - The near-one-sided quote makes source status essential. This observation does not establish whether the Japan Open match has finished, or why one side is priced so highly. The official advancement record is the next piece of evidence. - A qualifying Vacherot advancement supports his side, including an opponent retirement after play has begun. Winning one set alone would not establish the match result. - A Fils advancement supports the alternative. If a player withdraws before any play, the contract’s walkover exception produces a split settlement instead of automatically following the advancing name. ## The comparison behind the headline The contract covers Japan Open Tennis Championships: Valentin Vacherot vs Arthur Fils, originally scheduled for October 3, 2026 at 9:00PM ET. Valentin Vacherot was quoted at 99.95% in our October 4 data. This is a dated market observation; a final score has not been independently verified for this explainer. [1](https://polymarket.com/event/atp-vachero-fils-2026-10-03) For the exact contract “Japan Open Tennis Championships: Valentin Vacherot vs Arthur Fils”, our October 4 observation was Valentin Vacherot 99.95%; Arthur Fils 0.05%. These are recorded contract prices, not an official result. The parent event’s cumulative volume was $405,719; that turnover includes other constituent contracts and is not the volume of this selection alone. [1](https://polymarket.com/event/atp-vachero-fils-2026-10-03) ## The detail that changes the question The near-one-sided quote makes source status essential. This observation does not establish whether the Japan Open match has finished, or why one side is priced so highly. The official advancement record is the next piece of evidence. ## What would strengthen or weaken the case A qualifying Vacherot advancement supports his side, including an opponent retirement after play has begun. Winning one set alone would not establish the match result. A Fils advancement supports the alternative. If a player withdraws before any play, the contract’s walkover exception produces a split settlement instead of automatically following the advancing name. ## The evidence that will settle it The player who advances from the named match wins the contract. A retirement, default or disqualification after play begins follows the advancing player. A walkover before play begins, cancellation or tie instead resolves 50–50. Official ATP information is the named primary source. [3](https://polymarket.com/event/atp-vachero-fils-2026-10-03/atp-vachero-fils-2026-10-03) If no winner is determined by October 17, 2026, 11:59 p.m. ET, the contract resolves 50–50. The original start time and the later 14-day fallback are distinct. [3](https://polymarket.com/event/atp-vachero-fils-2026-10-03/atp-vachero-fils-2026-10-03) ## A fact worth knowing Tennis counts points inside games and games inside sets. Source: [International Tennis Federation: tennis scoring glossary](https://www.itftennis.com/en/about-us/organisation/tennis-glossary/) ## Weighing the outcome ### Outcome in focus Valentin Vacherot ### Supporting case A qualifying Vacherot advancement supports his side, including an opponent retirement after play has begun. Winning one set alone would not establish the match result. ### Challenging case A Fils advancement supports the alternative. If a player withdraws before any play, the contract’s walkover exception produces a split settlement instead of automatically following the advancing name. ### What to watch - The exact match and draw round in the official result. [1](https://polymarket.com/event/atp-vachero-fils-2026-10-03) - Whether play began before any withdrawal or retirement. [1](https://polymarket.com/event/atp-vachero-fils-2026-10-03) - The recorded advancement and contract resolution status. [1](https://polymarket.com/event/atp-vachero-fils-2026-10-03) ### What may already be priced in The Valentin Vacherot side of “Japan Open Tennis Championships: Valentin Vacherot vs Arthur Fils” was 99.95% in the October 4 snapshot. That price belongs to this exact question; it should not be transferred to a different line, period or match-winner proposition. [1](https://polymarket.com/event/atp-vachero-fils-2026-10-03) ### Assessment The near-one-sided quote makes source status essential. This observation does not establish whether the Japan Open match has finished, or why one side is priced so highly. The official advancement record is the next piece of evidence. ## How the market resolves The player who advances from the named match wins the contract. A retirement, default or disqualification after play begins follows the advancing player. A walkover before play begins, cancellation or tie instead resolves 50–50. Official ATP information is the named primary source. [3](https://polymarket.com/event/atp-vachero-fils-2026-10-03/atp-vachero-fils-2026-10-03) ## Timing and deadline If no winner is determined by October 17, 2026, 11:59 p.m. ET, the contract resolves 50–50. The original start time and the later 14-day fallback are distinct. [3](https://polymarket.com/event/atp-vachero-fils-2026-10-03/atp-vachero-fils-2026-10-03) ## Questions and answers ### Does a retirement always void this winner contract? No. If play has begun and one player advances after an opponent retirement, the advancing player wins this contract. [1](https://polymarket.com/event/atp-vachero-fils-2026-10-03) ### What if the player withdraws before the match starts? A pre-start walkover is explicitly settled 50–50. [1](https://polymarket.com/event/atp-vachero-fils-2026-10-03) ### Does the quoted price confirm the score? No. It is a market observation; the official match result is a separate record. [1](https://polymarket.com/event/atp-vachero-fils-2026-10-03) ## Related market contracts - [Japan Open Tennis Championships: Valentin Vacherot vs Arthur Fils](https://polymarket.com/event/atp-vachero-fils-2026-10-03/atp-vachero-fils-2026-10-03) ## Market source [View the event on Polymarket](https://polymarket.com/event/atp-vachero-fils-2026-10-03) For timestamped market prices, see the canonical HTML article. Prices can change independently of this analysis. ## Sources and further reading 1. [Polymarket: Japan Open Tennis Championships: Valentin Vacherot vs Arthur Fils](https://polymarket.com/event/atp-vachero-fils-2026-10-03) 2. [International Tennis Federation: tennis scoring glossary](https://www.itftennis.com/en/about-us/organisation/tennis-glossary/) 3. [Exact Polymarket contract: Japan Open Tennis Championships: Valentin Vacherot vs Arthur Fils](https://polymarket.com/event/atp-vachero-fils-2026-10-03/atp-vachero-fils-2026-10-03) This is AI-assisted, source-linked explanatory journalism. We distinguish facts from interpretation and revise material errors. [How we work](https://www.homeincomelab.com/methodology) · [Corrections and contact](https://www.homeincomelab.com/contact)