Ben blasted 48 service winners, 14 more than his opponent. Rublev added 38 winners and 13 unforced errors, besting Shelton's 25-15 ratio. The more experienced player had the upper hand from the baseline but lost the edge in the pivotal moments.

Sixth-seeded Ben Shelton won all eight break points in the match and emerged with a 7-5, 6-7 (3), 6-4 upset of top-seeded Russian Andrey Rublev on Friday in the quarterfinals of the Swiss Indoors Basel.

Aliassime’s shock exit in the second round, we are guaranteed a new champion at this year’s ATP Swiss Indoors in Basel. Four high-quality quarterfinals matches are slated on Friday with the pick of those featuring a power-hitting contest between Andrey Rublev and Ben Shelton.