8 The 76th-ranked Swiss took the biggest upset victory of her career, defeating four-time Grand Slam champion Osaka by 3-6, 6-3, 6-3 at the final major US Open tuneup tournament
Burel, 20, a former world number one in the junior rankings who is coached by French former tennis star Thierry Champion, was playing in her first final on the WTA tour.
Raducanu's remarkable Wimbledon debut ended in distressing circumstances as she was forced to retire against Australian Ajla Tomljanovic after suffering breathing difficulties in the second set.
Gauff, the 23rd seed, stormed through the opening games with a barrage of power serves on Centre Court but was asked some awkward questions by 102nd-ranked Juvan.
Jabeur dipped into her box of tricks to outflank the powerful 11th seed who was slowly driven to distraction by an opponent who gave a masterclass in angles and spins.
Sabalenka, who had been given a scare by lowly ranked Briton Katie Boulter in the previous round, romped to the first set and looked set to wrap up victory with her opponent winning just a solitary game.
Former world number one Pliskova fell at first hurdle in the tune-up tournaments in Berlin and Eastbourne last month but the 29-year-old has yet to drop a set at Wimbledon.
Gauff carried that momentum into the second set with a double break to take a 3-0 lead, continuing to target Vesnina's backhand as the Russian made a slew of errors.
The 25-year-old is the first Czech to lift the Suzanne Lenglen Cup since Hana Mandlikova, who represented Czechoslovakia, triumphed in 1981.
Krejcikova won six games in a row to take the opening set after dropping serve in the first, before Pavlyuchenkova gained the upper hand in the second set.