HALLE, Germany -- Roger Federer's bid for a ninth title at the Gerry Weber Open came to an end Saturday when he was beaten in the semifinals by Alexander Zverev, a rising German prospect who notched the biggest win of his young career.
Zverev's 7-6 (4), 5-7, 6-3 victory over the top-seeded, eight-time defending champion gave him a place in his first final of the year.
It also means that Federer, with 17 Grand Slam titles, still remains without a title this year, marred by knee surgery and a back injury that forced him to miss the French Open.
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For Federer, the Gerry Weber Open served as a tune-up for Wimbledon, which begins June 27.
The 19-year-old Zverev was one year old when Federer made his debut on the tour.