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.

Expert prediction and betting tips for Felix Auger-Aliassime vs Taylor Fritz at ATP Stuttgart 2025 semifinals. Latest odds and 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.

Six years after reaching the final at his first grass-court ATP tournament in Stuttgart, Felix Auger-Aliassime is through into the second round at the ATP 250 event. The 4th seed faced Giovanni Mpetshi Perricard in the second round and earned a 6-4, 6-4 triumph in an hour and 17 minutes, his first on the fastest surface in three years!

German 17-year-old Justin Engel has become the youngest player since Boris Becker 40 years ago to reach the quarterfinals of an ATP Tour grass-court tournament.