This market refers to the tennis match between Leylah Fernandez and Naomi Osaka in the National Bank Open, originally scheduled for August 9, 2026 at 10:00AM ET.
This market will resolve to 'Leylah Fernandez' if Leylah Fernandez advances against Naomi Osaka.
This market will resolve to 'Naomi Osaka' if Naomi Osaka advances against Leylah Fernandez.
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.
National Bank Open: Leylah Fernandez vs Naomi Osaka
WTA
Naomi Osaka62
Leylah Fernandez43LIVE · S2
Game context
Naomi Osaka enters the National Bank Open round of 16 with strong 2026 momentum, posting roughly 20 wins against eight losses and straight-sets victories in Toronto over Panna Udvardy and Elise Mertens. The former world No. 1 holds a slight head-to-head edge after defeating Leylah Fernandez in their most recent clash at the 2025 Wuhan Open. Fernandez, ranked around No. 34, carries home-crowd support in Toronto but enters with a sub-.400 win rate this season; her confidence boost comes from a recent 6-1, 6-4 rout of Mirra Andreeva for her first top-10 victory in over a year. Osaka’s superior ranking, experience on hard courts, and recent results shape the implied probability favoring her, though Fernandez’s left-handed game and local backing introduce upset potential in a best-of-three match.
Moneyline
$605.1K Vol.Match Completed
$579 Vol.1st Set Winner
$2.8K Vol.Set Total
$31 Vol.National Bank Open: Leylah Fernandez vs Naomi Osaka Set 2 O/U 8.5
National Bank Open: Leylah Fernandez vs Naomi Osaka Total Sets: O/U 2.5
National Bank Open: Leylah Fernandez vs Naomi Osaka Set 2 O/U 9.5
National Bank Open: Leylah Fernandez vs Naomi Osaka Set 2 O/U 10.5
Total Games
$3.2K Vol.National Bank Open: Leylah Fernandez vs Naomi Osaka Match O/U 21.5
National Bank Open: Leylah Fernandez vs Naomi Osaka Match O/U 22.5
National Bank Open: Leylah Fernandez vs Naomi Osaka Match O/U 23.5
Set Winner
$3.9K Vol.Set Handicap
$3.5K Vol.1st Set Total
$66 Vol.National Bank Open: Leylah Fernandez vs Naomi Osaka Set 1 O/U 8.5
National Bank Open: Leylah Fernandez vs Naomi Osaka Set 1 O/U 9.5
National Bank Open: Leylah Fernandez vs Naomi Osaka Set 1 O/U 10.5
Resolution Source: www.wtatennis.com
Odds & FAQ
What are the current odds for National Bank Open: Leylah Fernandez vs Naomi Osaka?
Completed Match dominates the field at 99%; the nearest challenger, National Bank Open: Leylah Fernandez vs Naomi Osaka Set 2 O/U 8.5, trades at just 99%. The order book treats this as nearly decided.
What do traders predict for National Bank Open: Leylah Fernandez vs Naomi Osaka?
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 National Bank Open: Leylah Fernandez vs Naomi Osaka market resolve?
The market runs until 16 Aug 2026 (7 days left), then settles according to Polymarket's published resolution rules for this event.
How much money is trading on National Bank Open: Leylah Fernandez vs Naomi Osaka?
$4.8M in total volume has traded here. Deeper markets like this tend to price events more sharply.
How can I trade National Bank Open: Leylah Fernandez vs Naomi Osaka 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.
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