Thrilling Upsets and Dominant Performances Mark Day One at U.S. Open

The first day of the U.S. Open at Flushing Meadows featured notable victories and setbacks. Alexander Zverev, Ben Shelton, and Zheng Qinwen secured wins, while Maria Sakkari retired due to injury. Under partly cloudy skies, the opening matches set the stage for an exciting tournament.

The initial day of the U.S. Open unfolded with a series of exhilarating matches at Flushing Meadows, New York. German fourth seed Alexander Zverev triumphed over fellow countryman Maximilian Marterer in a compelling four-set match.

American Ben Shelton comfortably defeated former champion Dominic Thiem, who is set to retire at the season's end, while China's Zheng Qinwen overcame a challenging start against Amanda Anisimova. Ukrainian Elina Svitolina and French talent Ugo Humbert also emerged victorious in their respective matches.

However, the day's play was marred by Greek ninth seed Maria Sakkari's mid-match retirement due to a shoulder injury. As temperatures hovered around 26 degrees Celsius, the day promised a thrilling tournament ahead.

(With inputs from agencies.)