Sabalenka edged past Rebeka Masarova 7-5, 6-1, rallying in a tight first set and praising the crowd.
Players object to the US Open's new Sunday start as the event expands to 15 days and higher pay now.
At 20, Eala rallied from 1-5 in the final set to beat No. 14 Clara Tauson for her first US Open win.
Rehiring Umberto Ferrara has pushed Jannik Sinner's 2024 positive test back into the headlines now.
Raducanu beat Ena Shibahara 6-1, 6-2 on Court Louis Armstrong to record first US Open win since 2021
Djokovic makes his 80th major at the 2025 US Open, sitting third all-time for Open Era appearances..
Rubin cautions Alcaraz not to underestimate Opelka in US Open opener after Cincinnati triumph. 2025.
Mboko cites Raducanu and Andreescu as proof that Grand Slam surprises are possible.
US Open 2025: Top players' ranking points to defend with Sabalenka, Swiatek and Gauff highlighted -
Sinner defends 2,000 points; Alcaraz, Djokovic and Shelton set to alter the ATP standings at US Open.
