Resolution criteria on PolyGram: This market refers to the tennis match between John Hallquist Lithen and Linus Lagerbohm in the ITF Men Monastir, originally scheduled for May 14, 2026 at 4:45AM ET. This market will resolve to 'John Hallquist Lithen' if John Hallquist Lithen advances against Linus Lagerbohm. This market will resolve to 'Linus Lagerbohm' if Linus Lagerbohm advances against John Hallquist Lithen. 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.
PolyGram is an on-chain prediction market where you trade YES or NO outcome shares with real USDC on Polygon. For this market, buy YES if you believe the event will happen, or NO if you think it won't. Your maximum loss is your stake — winning shares pay $1.00 each at resolution. Unlike sportsbooks, there is no house edge: prices are set by supply and demand from other traders and reflect the crowd's real-time probability.
Market outcomes
| ITF Monastir: John Hallquist Lithen vs Linus Lagerbohm | 64% YES | 37% NO |
| Completed Match | 50% YES | 51% NO |
John Hallquist Lithen and Linus Lagerbohm are scheduled to compete in the ITF Men's Monastir tournament on 14 May 2026, with the match originally set for 4:45 AM ET. The current order book on Polymarket reflects a 62% implied probability for Hallquist Lithen's advancement, suggesting market participants view him as the favoured player in this matchup. Settlement occurs by 21 May 2026, allowing a seven-day window for the match to conclude.
Both players compete on the ITF Men's circuit, where lower-ranked professionals and developing talent contest matches with limited prize pools and variable conditions. Historical ITF Monastir tournaments have seen competitive matches between similarly-ranked players, with outcomes often determined by surface preference, recent form, and head-to-head records. The current 62% probability suggests the market perceives a meaningful but not decisive advantage for Hallquist Lithen, consistent with matches where one player holds marginal edge in ranking or recent results.
Traders should monitor official ITF and tournament communications for any schedule changes, withdrawals, or surface condition updates prior to the 14 May date. Weather conditions in Monastir during mid-May could affect play style and match duration. Any injury announcements or late withdrawals would trigger immediate repricing. The seven-day settlement window provides buffer for delayed matches, though extended postponements beyond that threshold would resolve the market at 50-50, creating tail-risk considerations for positions held close to the deadline.
This market settles from the official outcome published at https://www.itftennis.com/en/tournament-calendar/. A proposer submits the final result to the UMA optimistic oracle on Polygon; the two-hour dispute window closes and payouts clear in USDC.
The mechanics for trading "ITF Monastir: John Hallquist Lithen vs Linus Lagerbohm" are the same as any other PolyGram event contract. Each YES share resolves to $1 if the event happens, or $0 if it doesn't. The current price between 0¢ and 100¢ is the market's probability estimate, set live by the order book.
$5 in lifetime turnover and $378 of resting liquidity puts this market in the below the median by volume for games contracts on PolyGram. Order-book depth is thin — large orders may need to be split across the book or executed as limit orders.
Last 24 hours alone saw $5 in turnover, well above the lifetime daily-average for this market — a clear sign of news catalysing trader activity right now.
The market has been open for under a month — fresh enough that information asymmetry remains a real factor.
Higher-volume markets tend to have tighter spreads and faster price discovery — meaning the displayed YES/NO percentages are more likely to reflect the true crowd-implied probability rather than a single trader's directional view.
Resolution is sourced from https://www.itftennis.com/en/tournament-calendar/. Settlement is executed by the UMA optimistic oracle on Polygon, with a 2-hour dispute window before payouts clear.
This prediction market is scheduled to close on 21 May 2026. After the resolving event occurs, settlement typically clears within 24 hours once the UMA optimistic oracle confirms the outcome. All payouts are in USDC on the Polygon network.
To trade on this prediction market, create a free PolyGram account at polygram.ink, deposit USDC via Polygon, and place a YES or NO order on the outcome you believe in. You can learn more on our how-it-works page. Your maximum loss is limited to your stake — there is no leverage or margin.
When the outcome is determined, winning YES shares pay out $1.00 each in USDC, while losing shares pay $0. Settlement is handled by the UMA optimistic oracle on Polygon — a proposer submits the result, a two-hour dispute window opens, and if uncontested, payouts are distributed automatically. You can withdraw your winnings to any Polygon wallet.
Prediction-market positions can lose 100% of staked capital. Outcomes are uncertain by definition — historical accuracy of crowd-implied probabilities is high in aggregate but not for any single market. PolyGram does not provide investment advice. Trade only with capital you can afford to lose.
Regulatory status varies by jurisdiction. Germany, the United States, and most EU countries treat Polymarket-style event contracts under one of three frameworks: financial derivative, gambling product, or unregulated novel asset. Consult local counsel before trading.
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