Would you bet…
ITF Tokyo: Matthew Dellavedova vs Hiromasa Koyama Predictions
A YES share pays out if this happens and NO pays out if it doesn’t — so the 90% price is just the market’s implied chance of YES. How YES/NO contracts work →
- Platform
- Polymarket
- Volume
- $8,078 volume
- Resolves
- 15 Jul 2026
- Updated
- 2 days ago
Dellavedova is strongly favored, priced at 90% to advance. The market has seen in recent trading, reflecting has held conviction in the Australian’s chances. With $8k in total volume, liquidity is modest but sufficient for small positions.
The pricing tells you the market views this as a heavily one-sided affair. Dellavedova, a former NBA player with extensive professional tennis exposure, faces Koyama in what appears to be a significant experience and ranking gap. The 10% price for an upset leaves little room for surprise—you’re paying 90% just to avoid a low-probability outcome.
Movement in either direction would hinge on late injury news, a withdrawal announcement, or a material revision in the players’ relative form or seeding status before 15 July 2026. Until such news emerges, the price is a live read on a clear favorite in a relatively static matchup. Check Polymarket for any schedule changes; the match resolves only if it plays within the window.
FAQ
What does a 90% price mean?
It is the market-implied probability. A 90% YES price means traders collectively judge the event about 90% likely.
How does this market resolve?
This market refers to the tennis match between Matthew Dellavedova and Hiromasa Koyama in the ITF Men Tokyo, originally scheduled for July 7, 2026 at 9:00PM ET. This market will resolve to 'Matthew Dellavedova' if Matthew Dellavedova advances against Hiromasa Koyama. This market will resolve to 'H
Where can I trade it?
This market is listed on Polymarket. Prediction markets carry real financial risk and may not be available in every state.
Is this the same as sports betting?
Legally it’s event-contract trading on a regulated exchange, not a sportsbook bet — though the experience is similar. Read our prediction markets vs sports betting explainer.
Can I trade sports where betting is illegal?
Often yes, because these are federally regulated contracts — but sports is restricted in some states, so always check your state first.
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Kalshi has the broadest catalog; DraftKings and FanDuel are strong for sports-first traders. See our reviews.
What is a prediction market?
A prediction market lets you trade contracts on whether a real-world event will happen. The live price moves with supply and demand and reads as the implied probability. Read more →
How do the odds work?
Every price between 1¢ and 99¢ is the implied chance of YES. A contract settles at $1 if it resolves yes and $0 if it does not. Read more →
Prediction market contracts carry real financial risk and can resolve to zero. 18+.
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