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