STUTTGART, GERMANY (AP) _ Results Sunday from Boss Open at Tennis Club Weissenhof (seedings in parentheses): Santiago Gonzalez, Mexico, and Austin Krajicek, United States, def. Rajeev Ram and Alex Michelsen, United States, 6-4, 6-4.

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!

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.

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,

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

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,

Frenchman Arthur Rinderknech knocked off Canada's Denis Shapovalov 6-4, 2-6, 6-0 in Stuttgart on Tuesday in the first round of the BOSS Open at Stuttgart, Germany.Shapovalov, seeded fifth in the event,