Tennis-Smooth sailing so far but storm warnings for U.S. Open teens

Sep 9, 2021; Flushing, NY, USA; Leylah Fernandez of Canada celebrates after her match against Aryna Sabalenka of Belarus (not pictured) on day eleven of the 2021 U.S. Open tennis tournament at USTA Billie Jean King National Tennis Center. Mandatory Credit: Danielle Parhizkaran-USA TODAY Sports

NEW YORK (Reuters) - It's been smooth sailing into Saturday's U.S. Open women's final for teen sensations Emma Raducanu and Leylah Fernandez, but even before one of them has had a chance to hoist the trophy there are warnings of stormy waters ahead.

The toast of the tennis world for their mind-boggling success on the Flushing Meadows hardcourts, 18-year-old Briton Raducanu and 19-year-old Canadian Fernandez have set the sport alight with their fearless play and joie-de-vivre.