This market refers to the tennis match between Tallon Griekspoor and Matteo Arnaldi in the National Bank Open, originally scheduled for August 7, 2026 at 10:00AM ET.
This market will resolve to 'Tallon Griekspoor' if Tallon Griekspoor advances against Matteo Arnaldi.
This market will resolve to 'Matteo Arnaldi' if Matteo Arnaldi advances against Tallon Griekspoor.
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.
National Bank Open: Tallon Griekspoor vs Matteo Arnaldi
ATP
Matteo Arnaldi
0-0
–
vs
07/08 16:30
–
Tallon Griekspoor
0-0
Game context
Griekspoor enters the National Bank Open third-round matchup on outdoor hard courts with strong recent momentum after upsetting world No. 3 Alexander Zverev in the second round and defeating Lorenzo Sonego in the opener, results that have lifted the Dutchman's hard-court form despite a mixed 2026 overall record. Arnaldi, the higher-ranked Italian at approximately No. 35, advanced with a three-set win over Fabian Marozsan following a first-round bye and holds the lone prior head-to-head victory from their 2026 French Open encounter on clay. Key variables include Griekspoor's improved serving and baseline aggression on this surface against Arnaldi's consistent return game and movement, with no reported injuries or late roster changes affecting either player ahead of their August 7 meeting.
Moneyline
$46K Vol.Match Completed
Set Total
$10 Vol.National Bank Open: Tallon Griekspoor vs Matteo Arnaldi Total Sets: O/U 2.5
National Bank Open: Tallon Griekspoor vs Matteo Arnaldi Set 2 O/U 8.5
National Bank Open: Tallon Griekspoor vs Matteo Arnaldi Set 2 O/U 9.5
National Bank Open: Tallon Griekspoor vs Matteo Arnaldi Set 2 O/U 10.5
1st Set Winner
1st Set Total
$1 Vol.National Bank Open: Tallon Griekspoor vs Matteo Arnaldi Set 1 O/U 8.5
National Bank Open: Tallon Griekspoor vs Matteo Arnaldi Set 1 O/U 9.5
National Bank Open: Tallon Griekspoor vs Matteo Arnaldi Set 1 O/U 10.5
Set Handicap
$32 Vol.National Bank Open: Tallon Griekspoor vs Matteo Arnaldi Set Handicap +/-1.5
National Bank Open: Tallon Griekspoor vs Matteo Arnaldi Set Handicap +/-1.5
Total Games
$9 Vol.National Bank Open: Tallon Griekspoor vs Matteo Arnaldi Match O/U 21.5
National Bank Open: Tallon Griekspoor vs Matteo Arnaldi Match O/U 22.5
National Bank Open: Tallon Griekspoor vs Matteo Arnaldi Match O/U 23.5
Set Winner
Resolution Source: www.atptour.com
Odds & FAQ
What are the current odds for National Bank Open: Tallon Griekspoor vs Matteo Arnaldi?
National Bank Open: Tallon Griekspoor vs Matteo Arnaldi Set 1 O/U 8.5 leads the field at 72%, with National Bank Open: Tallon Griekspoor vs Matteo Arnaldi Match O/U 21.5 next at 63%. A solid favorite - though every trade can reshuffle the board.
What do traders predict for National Bank Open: Tallon Griekspoor vs Matteo Arnaldi?
Traders lean toward National Bank Open: Tallon Griekspoor vs Matteo Arnaldi Set 1 O/U 8.5, pricing it at 72%. That's conviction with real money behind it - but live forecasts shift, sometimes quickly.
When does the National Bank Open: Tallon Griekspoor vs Matteo Arnaldi market resolve?
The market runs until 14 Aug 2026 (8 days left), then settles according to Polymarket's published resolution rules for this event.
How much money is trading on National Bank Open: Tallon Griekspoor vs Matteo Arnaldi?
$9.7M in total volume has traded here. Deeper markets like this tend to price events more sharply.
How can I trade National Bank Open: Tallon Griekspoor vs Matteo Arnaldi on Polymarket?
Track the live odds on this page, then open the market on Polymarket to take a position. Trade carefully - only stake what you can afford to lose.
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