This market refers to the tennis match between Christopher O'Connell and Kamil Majchrzak in the Cincinnati Open, originally scheduled for August 14, 2026 at 2:00PM ET.
This market will resolve to 'Christopher O'Connell' if Christopher O'Connell advances against Kamil Majchrzak.
This market will resolve to 'Kamil Majchrzak' if Kamil Majchrzak advances against Christopher O'Connell.
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.
Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak
ATP
Kamil Majchrzak46⁵
Christopher O'Connell67Final
Game context
Majchrzak enters this Cincinnati Open first-round hard-court matchup as the clear favorite in trader consensus, buoyed by his career-high ranking near No. 67-68, first ATP title at the 2026 Libéma Open, and multiple top-10 wins this season. The Pole has shown strong recent form on North American hard courts, including a victory over Tommy Paul in Washington, while O’Connell sits at No. 133 after a difficult 2-8 stretch at tour level and relies on qualifying success here. Their limited head-to-head favors Majchrzak, and the surface suits both baseline-oriented players, though O’Connell’s serve consistency and return game remain key variables in what projects as a competitive opener.
Moneyline
$409.1K Vol.Match Completed
Set Winner
$1.7K Vol.1st Set Winner
$2.8K Vol.Total Games
$1.1K Vol.Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak Match O/U 21.5
Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak Match O/U 22.5
Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak Match O/U 23.5
Set Total
$100 Vol.Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak Set 2 O/U 8.5
Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak Total Sets: O/U 2.5
Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak Set 2 O/U 9.5
Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak Set 2 O/U 10.5
1st Set Total
Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak Set 1 O/U 8.5
Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak Set 1 O/U 9.5
Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak Set 1 O/U 10.5
Set Handicap
$3.2K Vol.Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak Set Handicap +/-1.5
Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak Set Handicap +/-1.5
Resolution Source: www.atptour.com
Odds & FAQ
What are the current odds for Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak?
At 99%, Completed Match has pulled far clear of Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak Set 2 Winner (99%). Prices stay live until resolution, but the market sees one clear outcome.
What do traders predict for Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak?
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: Christopher O'Connell vs Kamil Majchrzak market resolve?
The market runs until 21 Aug 2026 (7 days left), then settles according to Polymarket's published resolution rules for this event.
How much money is trading on Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak?
Traders have put $13.2M through this market so far - a solid gauge of how much real money backs these odds.
How can I trade Cincinnati Open: Christopher O'Connell vs Kamil Majchrzak on Polymarket?
Follow this page for live prices; trading happens on Polymarket itself. Start small - implied odds move, and so can your position's value.










