Skip to main content
Cash
Portfolio
TrendingMidtermsElectionsPoliticsSportsCultureCryptoCommoditiesClimateEconomicsMentionsFinanceTech & Science
PredictLive180AccountSocial
MARKETSINVESTLIVE180
Product
Kalshi ProInvestMarketsIncentive programSmall business hedgingInstitutionsAPI & developers
Company
AboutKalshi ResearchBlogCareersPolicy CenterBrand Kit
Help
Help CenterFAQPrediction marketsFee scheduleTrading hoursRegulatoryTrust Center
© 2026 Kalshi Inc. · All rights reserved
PrivacyData Terms of ServiceTrading ProhibitionsFAQ for Finance Professionals
Trading on Kalshi involves risk and may not be appropriate for all. Members risk losing their cost to enter any transaction, including fees. You should carefully consider whether trading on Kalshi is appropriate for you in light of your investment experience and financial resources. Any trading decisions you make are solely your responsibility and at your own risk. Information is provided for convenience only on an "AS IS" basis. Past performance is not necessarily indicative of future results. Kalshi is subject to U.S. regulatory oversight by the CFTC.
Series Image

ATP Cincinnati · Semifinal Frantzen / Haase vs Granollers / Zeballos

2
Constantin Frantzen / Robin Haase
Yes

Constantin Frantzen / Robin Haase

Yes
Marcel Granollers / Horacio Zeballos
No

Marcel Granollers / Horacio Zeballos

No

Constantin Frantzen / Robin Haase vs. Marcel Granollers / Horacio Zeballos Odds

Final: Constantin Frantzen / Robin Haase beat Marcel Granollers / Horacio Zeballos 2 sets to 1. Kalshi had Constantin Frantzen / Robin Haase at 39% to win before the match — an upset by the market’s price.

Illustration of gavel
Determined
Outcome: Yes
Explore Sports
More Sports Markets

More ATP Doubles Tennis Match markets

Mektic / Roger-Vasselin vs Pavlasek / RiklGrevelius / Heinonen vs Frantzen / Stevens

Trending Sports markets

Austin Championship presented by Compliance Solutions WinnerItaly vs FranceDP World Tour Championship WinnerSchock vs IonescuMusetti vs HumbertRoncadelli vs ComesanaAustin Championship presented by Compliance Solutions End of Round 1 LeaderPortland St. vs UC San Diego

Sports hub

All Sports markets