Sierra vs Stephens — the rebuilt champion against the clay-court climber
Preview · National Bank Open, Toronto (WTA 1000) · First round · 3 August 2026
Sloane Stephens is in this draw the hard way. Toronto ran a single round of qualifying on Saturday, one match to decide sixteen main-draw places, and the 2017 US Open champion lost the first set of hers before beating Harriet Dart 3-6, 6-0, 6-2. It is the third time this season she has played her way in somewhere that matters. Across the net is Solana Sierra, 22 years old, Argentina’s leading woman and a player whose 2026 has been built almost entirely on clay. The winner meets 12th seed Belinda Bencic.
The matchup
Sierra’s route to the top 100 was one of the stories of 2025: a lucky loser at Wimbledon who reached the fourth round, the first to manage it in the women’s draw in the Open era. She consolidated this spring with the best stretch of her career — the fourth round in Madrid, the third round in Rome, and the third round at Roland Garros, where she beat Emma Raducanu and then 13th seed Jasmine Paolini. That run took her to a career-high ranking in June. Every one of those results came on clay.
Stephens’s story runs in reverse. A former world No. 3 and a Roland Garros finalist as well as a US Open champion, she lost roughly six months of 2025 to a foot injury, returned in September and then endured a losing streak that stretched to 13 matches before breaking it in Australian Open qualifying in January. She qualified for the French Open main draw in May, from a set down again, and has ground out a season a shade below even since. Her ranking sits outside the top 300, but ranking is a lagging indicator for a player who missed half a year.
Form & conditions
Neither arrives hot. Both went out early at the WTA 125 in Memphis last week, and Sierra’s hard-court numbers this season are the weakest part of her profile — the clay results that lifted her ranking have not been replicated on faster surfaces. Stephens has one win already banked in these exact conditions, and after Sunday’s rain forced most of the first round into Monday, a body already switched on is worth something.
The two have never played.
The deciding factor
Whether Stephens can still produce the depth off both wings that used to make her one of the best hard-court defenders in the world. When that ball-striking is on, she does not need a ranking to compete with a player in the eighties; when it is not, she leaks errors and the match goes quickly. Sierra’s job is to make the rallies long and physical, and to trust that a 33-year-old with limited match volume will fade in a third set.
The call
A narrow lean to Stephens, low confidence. She has the pedigree, the surface history, a match under her belt on these courts and an opponent whose season has been made almost entirely on a different one. That is a genuinely thin edge over a top-100 player, and it would take very little — one flat opening set from Stephens — to turn it around.