Cash
Portfolio
TrendingMidtermsElectionsPoliticsSportsCultureCryptoCommoditiesClimateEconomicsMentionsFinanceTech & Science
PredictLive203AccountSocial
MARKETSPERPSLIVE203
Product
Kalshi ProPerpetual FuturesMarketsIncentive programInstitutionsAPI & developers
Company
AboutKalshi ResearchBlogCareersPolicy CenterBrand Kit
Help
Help CenterFAQFee 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 Challenger Sioux Falls Mayo vs Barton

36

Combo


Aidan Mayo
Yes

Aidan Mayo

Yes

Hynek Barton
No

Hynek Barton

No

Aidan Mayo vs. Hynek Barton Odds

Final: Aidan Mayo 2, Hynek Barton 0. Kalshi had Aidan Mayo at 59% to win at kickoff.

More Sports Markets

More Challenger ATP markets

Ratti vs Del PinoBarrios Vera vs EstevezBoscardin Dias vs Prado AngeloMagadan vs McCormickDedura vs OlivieriVillanueva vs MidonHardt vs La SernaCamacho vs Veliz

Trending Sports markets

Zverev vs LandaluceRot-Weiss Essen vs LeipzigVidantaWorld Mexico Open WinnerGame 4: Milwaukee vs Tampa BaySmith vs El JardiAl-Shamal vs Al HilalSouth Africa vs AustraliaSassuolo vs Lazio

Sports hub

All Sports markets
Combo
Illustration of gavel
Determined
Outcome: Yes
Explore Sports