Pietro Grassi continues to show in the Swiss Junior Open Oberentfelden, under-16 tournament (grade 3) international arrived at the decisive stage on the courts of Tennis Club Aarau West. The Titan defeated in the semifinals the Helvetic Gian Sieler by a score of 4-6 6-4 7-6 in the final and tomorrow will challenge the #1 seeded German Niklas Schell, who is now stopped (6-3, 6-2) the wonderful stroke of Filippo Stramigioli, started from Qualy. This afternoon, in the meantime the two pupils of the STA will play the final of the double against the Germans Schell and Hildebrandt.