This market refers to the tennis match between Simona Waltert and Petra Marcinko in the Cincinnati Open, originally scheduled for August 13, 2026 at 10:00AM ET.
This market will resolve to 'Simona Waltert' if Simona Waltert advances against Petra Marcinko.
This market will resolve to 'Petra Marcinko' if Petra Marcinko advances against Simona Waltert.
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 WTA Tour. A consensus of credible reporting may also be used.
Cincinnati Open: Simona Waltert vs Petra Marcinko
WTA
Petra Marcinko742
Simona Waltert566Final
Game context
Simona Waltert enters the WTA Cincinnati Open first-round matchup against Petra Marcinko with a 20-22 record in 2026 and a current ranking near No. 90 after a recent three-set loss to Mayar Sherif on clay. Marcinko, ranked No. 53 with a 20-21 mark, holds the edge in recent momentum following her maiden WTA 125 title in Rabat and steady hard-court results earlier in the season. The outdoor hard-court surface favors both players' baseline games, though Marcinko's higher ranking and top-50 peak reflect stronger overall consistency this year. Head-to-head history shows Waltert leading the series, but current form and ranking differentials shape trader consensus around a narrow advantage for the Croatian.
Moneyline
$332.5K Vol.Match Completed
$512 Vol.Set Total
$3 Vol.Cincinnati Open: Simona Waltert vs Petra Marcinko Total Sets: O/U 2.5
Cincinnati Open: Simona Waltert vs Petra Marcinko Set 2 O/U 8.5
Cincinnati Open: Simona Waltert vs Petra Marcinko Set 2 O/U 9.5
Cincinnati Open: Simona Waltert vs Petra Marcinko Set 2 O/U 10.5
1st Set Total
Cincinnati Open: Simona Waltert vs Petra Marcinko Set 1 O/U 8.5
Cincinnati Open: Simona Waltert vs Petra Marcinko Set 1 O/U 9.5
Cincinnati Open: Simona Waltert vs Petra Marcinko Set 1 O/U 10.5
Total Games
$248 Vol.Cincinnati Open: Simona Waltert vs Petra Marcinko Match O/U 21.5
Cincinnati Open: Simona Waltert vs Petra Marcinko Match O/U 22.5
Cincinnati Open: Simona Waltert vs Petra Marcinko Match O/U 23.5
1st Set Winner
$553 Vol.Set Handicap
$19 Vol.Set Winner
$865 Vol. Resolution Source: www.wtatennis.com
Odds & FAQ
What are the current odds for Cincinnati Open: Simona Waltert vs Petra Marcinko?
At 99%, Completed Match has pulled far clear of Cincinnati Open: Simona Waltert vs Petra Marcinko Total Sets: O/U 2.5 (99%). Prices stay live until resolution, but the market sees one clear outcome.
What do traders predict for Cincinnati Open: Simona Waltert vs Petra Marcinko?
Traders price Completed Match at a 99% implied probability - about as confident as prediction markets get. Real money stands behind that number, updated live.
When does the Cincinnati Open: Simona Waltert vs Petra Marcinko market resolve?
Resolution is scheduled for 20 Aug 2026 (7 days left). Once the outcome is confirmed, the market settles under Polymarket's published criteria.
How much money is trading on Cincinnati Open: Simona Waltert vs Petra Marcinko?
$5.9M in total volume has traded here. Deeper markets like this tend to price events more sharply.
How can I trade Cincinnati Open: Simona Waltert vs Petra Marcinko on Polymarket?
You can watch the odds move here in real time and trade the market directly on Polymarket. As always, prediction trading carries real risk.
