This win marked Zverev’s first appearance in a grass-court final in eight years. The last time he accomplished that was at the ATP 500 event in Halle in 2017, where he lost the championship match to Roger Federer. The year before, the German star also reached the final there but was defeated by Florian Mayer.

German 17-year-old Justin Engel reached a quarter-final of an ATP Tour event for the first time in his young career. He achieved the feat on Thursday at the Stuttgart Open with a 6-4, 6-4 win against seventh seeded American Alex Michelsen.

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!

Alexander Zverev is the top seed at the ATP 250 event in Stuttgart. The home favorite kicked off his grass-court season with a 6-2, 7-6 triumph over Corentin Moutet in an hour and 51 minutes.

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

Second seed Taylor Fritz reached the Stuttgart Open semi-finals on Friday, and so did Felix Auger-Aliassime by stopping German teenager Justin Engel. American Fritz broke Hungary's Marton Fucsovics once in each set and fired 14 aces en route to a 6-3,

Justin Engel is making a name for himself at the home ATP 250 event in Stuttgart! The 17-year-old is through to his maiden ATP quarter-final following a 6-4, 6-4 victory over Alex Michelsen in an hour and 17 minutes.

German top seed Alexander Zverev overcame Corentin Moutet to reach Stuttgart Open's quarter-finals, marking a crucial grasscourt win. Meanwhile, 17-year-old Justin Engel made history as the youngest to reach the quarters in an ATP grasscourt event since 1985,