TOTAL VOLUME:

$134.1b

24H VOL:

$141,541,542

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,440,096,988

406,065

Markets across

30,522

events

MATCHED EVENTS:

2,692

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

BETA
Dashboards
Tour
All
Sports
Cincinnati Open: Brandon Nakashima vs Frances Tiafoe
polymarket

Cincinnati Open: Brandon Nakashima vs Frances Tiafoe

Volume:
$1,129,366

Cincinnati Open: Brandon Nakashima vs Frances Tiafoe

 - Polymarket

Cincinnati Open: Brandon Nakashima vs Frances Tiafoe - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 23, 2026

Closed: Aug 22, 9:30 PM EST

polymarket

Polymarket

View
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
polymarket

Cincinnati Open: Brandon Nakashima vs Frances Tiafoe

View
0%
Yes 0¢No 100¢
—
N/A
$1,089,397
N/A
N/A
N/A
Settled
Yes
polymarket

Cincinnati Open: Brandon Nakashima vs Frances Tiafoe Set Handicap +/-1.5

0%
Yes 0¢No 100¢
—
N/A
$16,108
N/A
N/A
N/A
Settled
Yes
polymarket

Cincinnati Open: Brandon Nakashima vs Frances Tiafoe Set 1 Winner

0%
Yes 0¢No 100¢
—
N/A
$14,369
N/A
N/A
N/A
Settled
Yes
polymarket

Cincinnati Open: Brandon Nakashima vs Frances Tiafoe Match O/U 21.5

0%
Yes 0¢No 100¢
—
N/A
$3,732
N/A
N/A
N/A
Settled
Yes
polymarket

Cincinnati Open: Brandon Nakashima vs Frances Tiafoe Set 2 Winner

0%
Yes 0¢No 100¢
—
N/A
$2,802
N/A
N/A
N/A
Settled
Yes
polymarket

Cincinnati Open: Brandon Nakashima vs Frances Tiafoe Match O/U 23.5

0%
Yes 0¢No 100¢
—
N/A
$2,405
N/A
N/A
N/A
Settled
Yes
polymarket

Cincinnati Open: Brandon Nakashima vs Frances Tiafoe Total Sets: O/U 2.5

0%
Yes 0¢No 100¢
—
N/A
$382
N/A
N/A
N/A
Settled
Yes
polymarket

Cincinnati Open: Brandon Nakashima vs Frances Tiafoe Match O/U 22.5

0%
Yes 0¢No 100¢
—
N/A
$170
N/A
N/A
N/A
Settled
Yes
polymarket

Completed Match

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

Cincinnati Open: Brandon Nakashima vs Frances Tiafoe Set 1 O/U 8.5

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

Cincinnati Open: Brandon Nakashima vs Frances Tiafoe Set 2 O/U 8.5

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

Cincinnati Open: Brandon Nakashima vs Frances Tiafoe Set 1 O/U 9.5

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

Cincinnati Open: Brandon Nakashima vs Frances Tiafoe Set 2 O/U 9.5

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

Cincinnati Open: Brandon Nakashima vs Frances Tiafoe Set 1 O/U 10.5

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

Cincinnati Open: Brandon Nakashima vs Frances Tiafoe Set 2 O/U 10.5

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

Cincinnati Open: Brandon Nakashima vs Frances Tiafoe Game Spread +/-0.5

0%
Yes 0¢No 100¢
—
N/A
N/A
N/A
N/A
N/A
Settled
Yes
Total markets: 16

Intro

This market tracks whether the combined games in the Cincinnati Open match between Brandon Nakashima and Frances Tiafoe will exceed 21.5 games on Polymarket, using ATP Tour data for resolution. The current probability for this outcome sitting at 100%. The match was originally scheduled for August 22, 2026 at 6:00PM ET, and the market will resolve based on the official result published on the ATP Tour website. Keep an eye on the official match conclusion, expected no later than August 29, 2026, for resolution.

Polymarket

This market refers to the tennis match between Brandon Nakashima and Frances Tiafoe in the Cincinnati Open, originally scheduled for August 22, 2026 at 6:00PM ET. This market will resolve to 'Brandon Nakashima' if Brandon Nakashima advances against Frances Tiafoe. This market will resolve to 'Frances Tiafoe' if Frances Tiafoe advances against Brandon Nakashima. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 5, 2026, 11:59 PM ET (14 days after the scheduled start), 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.

Frequently asked questions

On Polymarket, the dashboard for the Cincinnati Open Nakashima-Tiafoe match market tracks real-time odds, price fluctuations, and 24-hour volume changes. It provides a visual representation of how traders on Polymarket are positioning themselves ahead of the match. The dashboard updates continuously to reflect the latest betting activity and market sentiment, allowing users to monitor trends and compare the current likelihood of each player’s victory as assessed by the community.

On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, this market is priced through a continuous trading process where participants buy and sell contracts representing each possible outcome. The current probability displayed reflects the ratio of outstanding contracts for each result, adjusted for liquidity and recent trade volume. Traders’ expectations, recent performance news about the players, and overall market interest all feed into these dynamic adjustments, creating a live, community-driven forecast of who will win.

This market resolves around Aug 29, 2026, with the outcome confirmed once the match result is verifiable from credible public reporting. The winner determined on court settles this market, aligning with the official tournament records. Traders can track updates as the event approaches, but the final resolution depends solely on the match’s confirmed result from authoritative sports news and tournament sources.

Several signals could shift probabilities in this market before it resolves, including last-minute player injuries, changes to the match schedule, weather conditions affecting play, and recent form or performance in lead-up tournaments. Any public news or official announcements relating to the athletes’ readiness or the venue itself may also cause traders to reassess their positions, leading to noticeable changes in the market odds as betting activity responds to new information.