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405,232

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2,693

PLATFORM COVERAGE:

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Stuttgart Open: Rinky Hijikata vs Frances Tiafoe
polymarket
kalshi

Stuttgart Open: Rinky Hijikata vs Frances Tiafoe

Volume:
$344,314

Frances Tiafoe -3.5 games

 - Kalshi

Frances Tiafoe -3.5 games - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jun 11, 2026

Closed: Jun 11, 8:16 AM EST

kalshi

Kalshi

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

Frances Tiafoe -3.5 games

View
100%
Yes 100¢No 0¢
100¢
N/A
$4,804
N/A
N/A
$3,467
Settled
Yes
polymarket

Stuttgart Open: Rinky Hijikata vs Frances Tiafoe Set Handicap +/-1.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$3,950
N/A
N/A
N/A
Settled
Yes
polymarket

Stuttgart Open: Rinky Hijikata vs Frances Tiafoe Set 1 O/U 9.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$15
N/A
N/A
N/A
Settled
Yes
polymarket

Stuttgart Open: Rinky Hijikata vs Frances Tiafoe Set 1 O/U 8.5

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$15
N/A
N/A
N/A
Settled
Yes
polymarket

Stuttgart Open: Rinky Hijikata vs Frances Tiafoe Set 2 O/U 8.5

View
100%
Yes 100¢No 0¢
0.9¢
N/A
$15
N/A
N/A
N/A
Settled
Yes
polymarket

Stuttgart Open: Rinky Hijikata vs Frances Tiafoe Set 2 O/U 9.5

View
100%
Yes 100¢No 0¢
0.8¢
N/A
$15
N/A
N/A
N/A
Settled
Yes
polymarket

Stuttgart Open: Rinky Hijikata vs Frances Tiafoe

View
0%
Yes 0¢No 100¢
—
N/A
$328,749
N/A
N/A
N/A
Settled
Yes
polymarket

Stuttgart Open: Rinky Hijikata vs Frances Tiafoe Set 1 Winner

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

Stuttgart Open: Rinky Hijikata vs Frances Tiafoe Match O/U 23.5

View
0%
Yes 0¢No 100¢
—
N/A
$1,580
N/A
N/A
N/A
Settled
Yes
polymarket

Stuttgart Open: Rinky Hijikata vs Frances Tiafoe Match O/U 22.5

View
0%
Yes 0¢No 100¢
—
N/A
$1,385
N/A
N/A
N/A
Settled
Yes
polymarket

Stuttgart Open: Rinky Hijikata vs Frances Tiafoe Total Sets: O/U 2.5

View
0%
Yes 0¢No 100¢
—
N/A
$650
N/A
N/A
N/A
Settled
Yes
polymarket

Stuttgart Open: Rinky Hijikata vs Frances Tiafoe Set 1 O/U 10.5

View
0%
Yes 0¢No 100¢
—
N/A
$455
N/A
N/A
N/A
Settled
Yes
polymarket

Stuttgart Open: Rinky Hijikata vs Frances Tiafoe Match O/U 21.5

View
0%
Yes 0¢No 100¢
—
N/A
$351
N/A
N/A
N/A
Settled
Yes
kalshi

Frances Tiafoe -6.5 games

View
0%
Yes 0¢No 100¢
100¢
N/A
$330
N/A
N/A
$330
Settled
No
kalshi

Rinky Hijikata -1.5 games

View
0%
Yes 0¢No 100¢
100¢
N/A
$124
N/A
N/A
$124
Settled
No
polymarket

Stuttgart Open: Rinky Hijikata vs Frances Tiafoe Set 2 Winner

View
0%
Yes 0¢No 100¢
—
N/A
$40
N/A
N/A
N/A
Settled
Yes
polymarket

Stuttgart Open: Rinky Hijikata vs Frances Tiafoe Set 2 Winner

View
0%
Yes 0¢No 100¢
—
N/A
$20
N/A
N/A
N/A
Settled
Yes
polymarket

Stuttgart Open: Rinky Hijikata vs Frances Tiafoe Set 2 O/U 10.5

View
0%
Yes 0¢No 100¢
—
N/A
$15
N/A
N/A
N/A
Settled
Yes
polymarket

Completed Match

View
100%
Yes 100¢No 0¢
1¢
N/A
N/A
N/A
N/A
N/A
Settled
Yes
Total markets: 19

Description

This event group covers a professional tennis match between Rinky Hijikata and Frances Tiafoe at the 2026 ATP Stuttgart Open, scheduled for June 11, 2026. Markets track both the match winner and completion status, with additional game-differential betting on Kalshi. The group requires unified resolution across platforms despite different market structures.

PredictionHero - Resolution Divergence Alerts (RDA)

Divergence Detected

Issue: Polymarket and Kalshi operate on fundamentally different market types: Polymarket is outcome-based (winner + completion), while Kalshi is metric-based (game differential). The platforms cannot be unified because Kalshi's resolution does not depend on match outcome alone.Hero tip: Monitor match outcome and game count separately. Polymarket winner/completion resolution is independent of Kalshi game-differential thresholds. A single match result may resolve differently across the two platforms depending on the final game tally. Always cross-check official ATP statistics for exact game counts before Kalshi settlement.

Critical divergence points:

  • Polymarket: Binary winner market (Hijikata or Tiafoe) resolves to advancing player if match completes normally. Resolves 50-50 for walkovers, cancellations, ties, delays beyond 7 days, or if match begins but is not completed without a clear winner. Completion market resolves Yes only if all sets/games played to finish under normal play; No for any forfeit, retirement, or incompletion. Source: ATP Tour official statistics or credible consensus.
  • Kalshi: Three independent Yes/No markets based on game differential: (1) Hijikata margin > 1.5 games = Yes, (2) Tiafoe margin > 3.5 games = Yes, (3) Tiafoe margin > 6.5 games = Yes. These thresholds are metric-based and do not reference match outcome. A match can have a clear winner but fail to meet any Kalshi threshold if the game differential is insufficient.
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 Rinky Hijikata and Frances Tiafoe in the Stuttgart Open, originally scheduled for June 11, 2026 at 4:00AM ET. This market will resolve to 'Rinky Hijikata' if Rinky Hijikata advances against Frances Tiafoe. This market will resolve to 'Frances Tiafoe' if Frances Tiafoe advances against Rinky Hijikata. 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.

Kalshi

The game differential is calculated as the difference in total games won by each player across the full match. Positive differentials favor Tiafoe; negative differentials favor Hijikata. Resolution depends on the final game count after match completion. If the match does not occur due to injury, walkover, forfeiture, or cancellation before play begins, markets resolve to fair price. Postponements keep markets open until the rescheduled match finishes within two weeks. Retirements are handled by settling markets that can be unconditionally determined from completed play; unsettleable markets resolve to fair market price at the Exchange's discretion.

Frequently asked questions

Prediction markets like Polymarket and Kalshi often reflect different risk profiles and participant bases than traditional sportsbooks. Sportsbooks set odds to balance liability and extract margin, while prediction markets aggregate beliefs from traders with real capital at stake. For the Hijikata–Tiafoe match, prediction market prices may diverge from sportsbook lines due to differences in liquidity, regulatory constraints, and the types of bettors active on each platform. Comparing both sources can reveal arbitrage opportunities and help identify where consensus is strongest or most uncertain.