Tennis-Zverev flexes big serve in first-round takedown of Marterer

Aug 26, 2024; Flushing, NY, USA; Alexander Zverev (GER) hits a forehand against Maximilian Marterer (GER)(not pictured) in a men's singles match on day one of the 2024 U.S. Open tennis tournament at USTA Billie Jean King National Tennis Center. Mandatory Credit: Geoff Burke-USA TODAY Sports

NEW YORK (Reuters) - Fourth seed Alexander Zverev out-duelled fellow German Maximilian Marterer 6-2 6-7(5) 6-3 6-2 in the first round of the U.S. Open on Monday.

Zverev flexed his dominant serve, blasting 21 aces and winning 79% of his first serve points on the Grandstand.