Madrid Open: Joao Fonseca vs Marin Cilic

Prediction market · Polymarket

Overview

This market refers to the tennis match between Joao Fonseca and Marin Cilic in the Madrid Open, originally scheduled for April 24, 2026 at 5:00AM ET. This market will resolve to 'Joao Fonseca' if Joao Fonseca advances against Marin Cilic. This market will resolve to 'Marin Cilic' if Marin Cilic advances against Joao Fonseca. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.

Ticker

atp-fonseca-cilic-2026-04-24

Volume

599

24h volume

599

1w volume

599

Open interest

598

Liquidity

17.7K

Liquidity CLOB

17.7K

Start

Apr 22, 2026

End

May 1, 2026

Status

Active

Access

Restricted

Created

Apr 24, 2026

Resolution source

https://www.atptour.com/en/scores/current

Event ID

406928

Slug

atp-fonseca-cilic-2026-04-24

Markets

1

Raw event data
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  "title": "Madrid Open: Joao Fonseca vs Marin Cilic",
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  "resolutionSource": "https://www.atptour.com/en/scores/current",
  "startDate": "2026-04-22T16:17:07.625735Z",
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  "eventMetadata": {
    "context_description": "Trader consensus favors Joao Fonseca at 74% implied probability over veteran Marin Cilic in their Madrid Open second-round clash on clay, driven by the 19-year-old Brazilian's surging form and physical edge against the 37-year-old Croat's age and injury history. Fonseca, ranked No. 31 with a career-high No. 24 last year, reached quarterfinals at Monte Carlo and Munich on clay recently, showcasing resilience in comebacks before falling to champion Ben Shelton. Cilic, a 2014 US Open winner using protected ranking, notched his biggest clay win since 2022 by ousting Zizou Bergs in three sets yesterday, but persistent knee issues and an 18-year age gap tilt odds toward Fonseca's baseline power and stamina in this first head-to-head at Masters 1000 level.",
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    "context_updated_at": "2026-04-23T04:44:05.060Z",
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      "name": "Joao Fonseca",
      "league": "atp",
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      "abbreviation": "fonseca",
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      "updatedAt": "2025-11-05T00:20:21.983901Z",
      "providerId": 1321364,
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      "league": "atp",
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      "logo": "https://polymarket-upload.s3.us-east-2.amazonaws.com/country-flags/hrv.png",
      "abbreviation": "cilic",
      "createdAt": "2025-10-17T22:00:03.199795Z",
      "updatedAt": "2026-03-15T03:42:52.353406Z",
      "providerId": 48793,
      "color": "#0000FC"
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