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One of the most queried betting markets coming into Sunday morning is the "Battle of the Sexes" tennis match between Nick Kyrgios and Aryna Sabalenka.
BetOnline has Sabalenka promising a payout of US$360 for every US$100 bet and Nick Kyrgios priced steep at -500. A spread is available that has Kyrgios at -4.5.
The prediction market Kalshi was showing volume of just over $200,000 just 11 hours ahead of the match.
Yet at Gambling911.com, the "Battle of the Sexes" rivaled the most wagered on game of Sunday's NFL slate, the Seahawks at the Panthers. Three of Saturday's football games (college and NFL) were just barely beating out traffic for Sunday's early tennis showdown. "Battle of the Sexes" was the 7th most searched topic on the G911 website as of Saturday.
The exhibition between Kyrgios and Sabalenka offers a modern, rule-adjusted take on the 'Battle of the Sexes' concept. Unlike the historic 1973 match—where Billie Jean King's decisive win over Bobby Riggs on a standard court became a pivotal moment in the fight for tour equality and equal pay—this contest is purely a spectacle, separate from the official tours.
Of course, where there are two or more competing, no matter what their genders, there will be wagering. BetOnline.ag has set odds for the match, and also created a few interesting prop bets surrounding the spectacle.

Battle of the Sexes Odds - Courtesy of BetOnline
Moneyline (To Win Outright)
Aryna Sabalenka +340
Nick Kyrgios -500
Spread
Aryna Sabalenka +4.5 games
Nick Kyrgios -4.5 games
Match Total
Over/Under 17.5 games
Will the match go to three sets?
Yes +220
No -300
Will Kyrgios win any games with Sabalenka shut out?
Yes -200
No +160
Will Sabalenka win any games with Kyrgios shut out?
Yes -150
No +120
How many aces will Kyrgios record?
Over/Under 2.5 aces
How many aces will Sabalenka record?
Over/Under 3.5 aces
Will Sabalenka expose shoulders in playing attire?
Yes -120
No -120
- Mary Montgomery, Gambling911.com
