Aryna Sabalenka vs Camila Osorio Prediction: US Open 2026 First Round (Aug 31)

By Cole Gallagher / August 30, 2026

The world No. 1 begins a bid for something the women’s game has not seen in more than a decade. Aryna Sabalenka won this title in 2024 and again in 2025, and a third consecutive US Open would make her the first woman since Serena Williams between 2012 and 2014 to complete a New York three-peat. She opens against Colombia’s Camila Osorio. Full operator comparisons are in our top betting sites guide.

Odds Comparison

Player Analysis

Aryna Sabalenka

Sabalenka’s game and this venue are close to a perfect fit. The serve lets her dictate from the first ball, and the medium-fast hard courts reward the penetrating depth she generates off both wings. Two consecutive titles here is not a coincidence; it is the most surface-appropriate game in the women’s draw meeting the conditions that flatter it most.

The genuine development in her tennis over the last few years has been patience. She no longer needs to attempt a winner from every attacking position, and that restraint is what turns a dangerous player into one who survives seven matches. The only real first-round risk for a player in this position is looking too far ahead at a draw that contains Coco Gauff, Iga Swiatek, Elena Rybakina, Jessica Pegula and Mirra Andreeva.

Key Storyline: A third straight US Open title would be the first women’s three-peat here since Serena Williams in 2012-2014

Camila Osorio

Osorio is an excellent mover who does her best work when she can extend rallies, change direction and force opponents into hitting one more ball than they want to. That is a real skill set and it has caused problems for bigger hitters before.

The trouble is that pure defence is not a plan against Sabalenka on this surface. Osorio has to find depth on the return, make the world No. 1 move laterally, and vary the height and rhythm of rallies rather than simply absorbing. If this becomes a straight exchange of baseline power, the outcome is decided inside four games.

Key Storyline: A skilled counter-puncher who must disrupt rhythm rather than out-hit the defending champion

Key Betting Angles

The match winner here is close to unbettable at any sensible stake, so the market that matters is the games total and the correct score in sets. Sabalenka’s pattern in opening rounds is to win comfortably but not always cleanly, and Osorio’s movement will produce some long games even in sets she loses.

For Canadian bettors, note that Leylah Annie Fernandez sits in the same half of the draw as Sabalenka. Any longer-term Canadian position in the women’s event runs into the world No. 1 before a final, which changes how the each-way terms should be read.

Our Prediction

Cole’s Pick: Aryna Sabalenka in straight sets

The serve, the surface and the two previous titles all point one way, and Osorio’s best quality is the one least likely to be decisive on a fast court against this opponent. Expect a handful of entertaining rallies and a scoreline that never really wobbles. The value, if there is any, is on the under rather than on the winner.

Confidence: high on the match winner, medium-high on the straight-sets line

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Cole Gallagher

Cole Gallagher covers soccer betting for WorldCupBetting.ca, specialising in match predictions, odds analysis and tournament futures. Based in Toronto, he has followed the Canadian men’s national team since their 2022 qualifying campaign and brings a line-shopping, data-first approach to every pick.