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
Ostrava: Jan Jermar vs Garrett Johns
polymarket

Ostrava: Jan Jermar vs Garrett Johns

Volume:
$7,300

Ostrava: Jan Jermar vs Garrett Johns

 - Polymarket

Ostrava: Jan Jermar vs Garrett Johns - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Apr 28, 2026

Closed: May 5, 4:00 AM EST

polymarket

Polymarket

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

Ostrava: Jan Jermar vs Garrett Johns

View
0%
Yes 0¢No 100¢
—
N/A
$6,295
N/A
N/A
N/A
Settled
Yes
polymarket

Ostrava: Jan Jermar vs Garrett Johns Set 1 Winner

0%
Yes 0¢No 100¢
—
N/A
$151
N/A
N/A
N/A
Settled
Yes
polymarket

Ostrava: Jan Jermar vs Garrett Johns Set 1 O/U 8.5

0%
Yes 0¢No 100¢
—
N/A
$132
N/A
N/A
N/A
Settled
Yes
polymarket

Ostrava: Jan Jermar vs Garrett Johns Match O/U 21.5

0%
Yes 0¢No 100¢
—
N/A
$121
N/A
N/A
N/A
Settled
Yes
polymarket

Ostrava: Jan Jermar vs Garrett Johns Match O/U 22.5

0%
Yes 0¢No 100¢
—
N/A
$121
N/A
N/A
N/A
Settled
Yes
polymarket

Ostrava: Jan Jermar vs Garrett Johns Total Sets: O/U 2.5

0%
Yes 0¢No 100¢
—
N/A
$121
N/A
N/A
N/A
Settled
Yes
polymarket

Ostrava: Jan Jermar vs Garrett Johns Match O/U 23.5

0%
Yes 0¢No 100¢
—
N/A
$121
N/A
N/A
N/A
Settled
Yes
polymarket

Ostrava: Jan Jermar vs Garrett Johns Set 1 O/U 9.5

0%
Yes 0¢No 100¢
—
N/A
$120
N/A
N/A
N/A
Settled
Yes
polymarket

Ostrava: Jan Jermar vs Garrett Johns Set 1 O/U 10.5

0%
Yes 0¢No 100¢
—
N/A
$119
N/A
N/A
N/A
Settled
Yes
Total markets: 9

Description

This market refers to the tennis match between Jan Jermar and Garrett Johns in the Ostrava, originally scheduled for April 28, 2026 at 4:00AM ET. This market will resolve to 'Jan Jermar' if Jan Jermar advances against Garrett Johns. This market will resolve to 'Garrett Johns' if Garrett Johns advances against Jan Jermar. 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.