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ITF Alkmaar: Lian Tran vs Isis Louise Van Den Broek
polymarket
kalshi

Who will win Lian Tran vs Isis Louise Van Den Broek?

Volume:
$67,432

Isis Louise Van den Broek

 - Kalshi

Isis Louise Van den Broek - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jun 28, 2026

Closed: Jun 28, 5:40 AM EST

kalshi

Kalshi

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Join Kalshi and score $25 for your first trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

Isis Louise Van den Broek

View
100%
Yes 100¢No 0¢
100¢
N/A
$26,819
N/A
N/A
$18,368
Settled
Yes
polymarket

ITF Alkmaar: Lian Tran vs Isis Louise Van Den Broek Set Handicap +/-1.5

View
50%
Yes 50¢No 51¢
2¢
N/A
$3
N/A
N/A
N/A
Settled
No
polymarket

ITF Alkmaar: Lian Tran vs Isis Louise Van Den Broek Total Sets: O/U 2.5

View
50%
Yes 50¢No 51¢
2¢
N/A
$3
N/A
N/A
N/A
Settled
No
kalshi

Lian Tran

View
0%
Yes 0¢No 100¢
100¢
N/A
$38,779
N/A
N/A
$24,255
Settled
No
polymarket

ITF Alkmaar: Lian Tran vs Isis Louise Van Den Broek

View
0%
Yes 0¢No 100¢
—
N/A
$1,801
N/A
N/A
N/A
Settled
Yes
polymarket

ITF Alkmaar: Lian Tran vs Isis Louise Van Den Broek Set 1 Winner

View
0%
Yes 0¢No 100¢
—
N/A
$27
N/A
N/A
N/A
Settled
Yes
polymarket

Completed Match

View
0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

ITF Alkmaar: Lian Tran vs Isis Louise Van Den Broek Set 2 Winner

View
50%
Yes 50¢No 50¢
—
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

ITF Alkmaar: Lian Tran vs Isis Louise Van Den Broek Set 1 O/U 8.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

ITF Alkmaar: Lian Tran vs Isis Louise Van Den Broek Set 2 O/U 9.5

View
50%
Yes 50¢No 50¢
—
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

ITF Alkmaar: Lian Tran vs Isis Louise Van Den Broek Match O/U 21.5

View
50%
Yes 50¢No 51¢
2¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

ITF Alkmaar: Lian Tran vs Isis Louise Van Den Broek Set 1 O/U 9.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

ITF Alkmaar: Lian Tran vs Isis Louise Van Den Broek Match O/U 22.5

View
50%
Yes 50¢No 51¢
2¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

ITF Alkmaar: Lian Tran vs Isis Louise Van Den Broek Match O/U 23.5

View
50%
Yes 50¢No 51¢
2¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

ITF Alkmaar: Lian Tran vs Isis Louise Van Den Broek Set 2 O/U 8.5

View
50%
Yes 50¢No 50¢
—
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

ITF Alkmaar: Lian Tran vs Isis Louise Van Den Broek Set 1 O/U 10.5

View
0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
polymarket

ITF Alkmaar: Lian Tran vs Isis Louise Van Den Broek Set 2 O/U 10.5

View
50%
Yes 50¢No 50¢
—
N/A
N/A
N/A
N/A
N/A
Settled
No
Total markets: 17

Description

This event group covers a professional tennis match between Lian Tran and Isis Louise Van Den Broek scheduled for the ITF Women's W15 Alkmaar tournament on June 27, 2026 at 6:00 AM ET. Polymarket offers 10 derivative markets (match winner, set winners, game totals, handicap) while Kalshi offers a binary match-play resolution. All markets depend on official ITF match statistics and completion status.

PredictionHero - Resolution Divergence Alerts (RDA)

Divergence Detected

Issue: Polymarket and Kalshi define match completion and forfeit scenarios differently. Polymarket uses a 7-day delay rule and explicit 50-50 resolution for walkovers and retirements; Kalshi requires only that a ball be played, leaving forfeits and partial matches ambiguous.Hero tip: Treat Polymarket match winner and derivative markets as the authoritative resolution. If the match is delayed beyond 7 days, Polymarket resolves 50-50 while Kalshi may still resolve Yes if any ball was played. For walkovers or retirements before play, Polymarket goes 50-50; Kalshi's outcome is unclear. Cross-check ITF official results and match status before settlement.

Critical divergence points:

  • Polymarket: Match winner resolves to the advancing player if they win normally. Resolves 50-50 if match is canceled, ends in tie, delayed beyond 7 days without result, or ends in walkover. Retirements/defaults after play begins resolve to the advancing player. All derivative markets (set winners, game totals) explicitly reference ITF official statistics and the 7-day rule.
  • Kalshi: Binary market resolves Yes if either player wins 'after a ball has been played.' No explicit rules for walkovers, retirements, cancellations, or delays. Ambiguous whether a retirement after one ball counts as a win or requires full match completion.
Our PredictionHero Resolution Divergence Alerts (RDA) are there to help users identify potential differences across platforms. They do not replace or supersede the official rules and description of any prediction market. Users are solely responsible for reviewing and understanding the applicable rules and resolution criteria before placing any trade or bet. If you notice a potential inconsistency, discrepancy, or error in an alert, please report it to our team so we can review and improve the accuracy of our data.

Polymarket

This market refers to the tennis match between Lian Tran and Isis Louise Van Den Broek in the ITF Women Alkmaar, originally scheduled for June 27, 2026 at 6:00AM ET. This market will resolve to 'Lian Tran' if Lian Tran advances against Isis Louise Van Den Broek. This market will resolve to 'Isis Louise Van Den Broek' if Isis Louise Van Den Broek advances against Lian Tran. 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.

Kalshi

This event covers the Tran vs Van den Broek professional tennis match in the 2026 W15 Alkmaar Semifinal. The match must have a ball played to be considered official; if the match does not occur before play begins due to injury, walkover, forfeiture, or other cancellation, all related markets resolve to $0.50. Each player's market resolves to Yes if that player wins after a ball has been played. If a player withdraws or forfeits after the match has started, that player's market resolves to No. Should the match be postponed or delayed, markets remain open and will close following the rescheduled match completion, provided the reschedule occurs within two weeks of the original date.

Frequently asked questions

Prediction markets like Polymarket and Kalshi operate on peer-to-peer trading mechanics, where odds reflect live supply and demand rather than a sportsbook's fixed margin model. Sportsbooks typically embed a built-in edge and adjust lines to balance liability; prediction markets instead aggregate distributed trader beliefs in real time. This often produces tighter, more efficient pricing on niche events like ITF matches, where traditional sportsbooks may offer limited liquidity or no line at all. However, prediction market odds can be more volatile during low-volume periods, so comparing both sources helps identify value and market confidence.

Polymarket and Kalshi can show different implied probabilities for the same outcome because of liquidity, fee structure, participant mix, and how each venue defines the contract. Each platform attracts different trader demographics, liquidity pools, and fee structures, which can create temporary price gaps. Polymarket and Kalshi also operate under distinct regulatory frameworks and settlement rules, influencing how traders price tail risk and timing uncertainty. Differences in order-book depth mean large trades on one platform may move the price faster than on the other. These spreads typically narrow as arbitrageurs exploit the gap, but during low-volume windows or breaking news, divergence can persist for hours, creating opportunities for alert traders.

Recent player form, head-to-head records, and court surface performance are key catalysts. Injury announcements or withdrawal news would trigger sharp repricing. Betting activity on external sportsbooks or social media sentiment shifts can also influence prediction market traders, especially if new analysis or expert commentary surfaces. Weather conditions on match day, seeding changes, or draws affecting player fatigue in prior rounds may shift perceived edge. Real-time match momentum—early set results or break points—will drive the most dramatic moves as traders update win probability dynamically.