Buse Ousts Bonzi in Winston-Salem, Mertens Survives Bartunkova to Reach Monterrey Final

The most eye-catching result of the day came in Winston-Salem, where Ignacio Buse dismantled Benjamin Bonzi 6-2 4-6 6-1 to book his place in the final. Buse controlled the opening set from the baseline, briefly lost his rhythm as Bonzi found depth on his forehand to level the match, and then produced the cleanest tennis of the afternoon in a decider that lasted barely long enough for the Frenchman to react. Losing only one game after the second-set setback is the kind of response that travels well into a final.

He will meet Arthur Fery, who came through against James Duckworth in the other semifinal, the recorded score reading 6-4. On a hard court that has rewarded first-strike tennis all week, the final pits Buse's heavy, rally-building baseline game against an opponent who has needed no more than the minimum to advance. Neither man arrives with the profile of a favourite, and that is precisely what makes the title match interesting.

In Monterrey, Elise Mertens needed three sets and a considerable amount of patience. Nikola Bartunkova took the first 6-1, hitting through the Belgian and giving her no time on the return, but Mertens shortened the points, tightened her service games and turned the match with a 6-4 second set before closing it out 6-2. Experience told in the end, as it so often does when a young player leads and then has to sustain the level.

Diane Parry will be waiting. The Frenchwoman edged Ann Li 7-6 6-4 in a semifinal decided by a first-set tie-break that swung the entire match; once ahead, Parry defended the baseline superbly and broke at the right moment in the second. Ranked 50, she faces the world number 24 in Sunday's final, a clash of contrasting styles: Parry's variety and single-handed backhand against Mertens's relentless consistency.

The Philadelphia Challenger produced two convincing semifinals. Tereza Valentova was ruthless against Julia Grabher, winning 6-3 6-1 with a display of controlled aggression, while Katie Volynets got past Oksana Selekhmeteva 6-3 7-6, needing a tie-break to avoid a decider. Valentova's margin suggests she arrives fresher; Volynets's ability to hold her nerve in the breaker suggests she will not be easily moved.

Two titles were settled elsewhere. In Roehampton, George Loffhagen beat fellow Briton Charles Broom 7-5 6-3 in an all-British final, the first set going the distance before Loffhagen took control. In Augsburg, Cezar Cretu was overwhelming on clay, beating Facundo Mena 6-2 6-0 in a final that never became a contest. At Kingston, Andres Andrade survived a three-set semifinal against Rodrigo Pacheco Mendez, 6-3 3-6 6-4, and will play Aidan Mayo, a 6-3 6-4 winner over Miguel L. A.

Tomorrow the focus shifts decisively to Flushing Meadows, where the US Open programme is dense. Jessica Pegula, the world number three, opens against the unranked Elena Gabriela Ruse; Daniil Medvedev, seeded eighth, meets the awkward, low-trajectory game of Hugo Gaston. Jasmine Paolini faces Veronika Erjavec, Marta Kostyuk plays Storm Hunter, and Barbora Krejcikova takes on Kamilla Rakhimova.