STUTTGART, Germany (Reuters) -German top seed Alexander Zverev took out American third seed Ben Shelton with a 7-6(8) 7-6(1) victory in the semi-finals of the Stuttgart Open on Saturday to set up a showdown with Taylor Fritz.

Alexander Zverev's victory saw him reach his first Tour-level final on grass since 2017 after his win over Shelton, but he faces a tough test against Fritz on Sunday

Alexander Zverev vs. Taylor Fritz prediction for ATP Stuttgart Open final on June 15, 2025. Get expert betting tips, odds (Zverev 1.71, Fritz 2.163), stats, and head-to-head insights for this grass-court showdown.

First quarter-final, first Top 50 victory: the 17-year-old German is causing a minor sensation on home grass at the BOSS Open.

Justin Engel, 17, reaches the Stuttgart Open quarter-finals to become the youngest player since 1985 to make the last eight of an ATP Tour grass-court event.

Ben Shelton faces Jiri Lehecka in the ATP Stuttgart 2025 quarterfinals on June 13. Get expert predictions, betting odds, and top tips for this grass court clash!

Results Friday from Boss Open at Tennis Club Weissenhof (seedings in parentheses): Men's Singles. Quarterfinals. Felix Auger-Aliassime (4), Canada, def.