After saving 5 break factors and breaking Quinn twice within the opening set, Alcaraz was pushed a lot tougher by the 21-year-old American within the second.
The gamers exchanged breaks on three events and Alcaraz, 21, needed to save a set level within the tie-break earlier than lastly successful by.
“I made some errors, I discovered it onerous to take care of my stage, however I’m glad to have solved the issues that got here within the second set, and to finish up successful in two units,” Alcaraz informed TVE.
Alcaraz, who received on clay on the Monte Carlo Masters final week, is constructing as much as the French Open the place he’s aiming to defend his title at Roland Garros.
Earlier, defending Barcelona champion Casper Ruud sailed into the final 16 with a 6-4 6-3 win over Colombia’s Daniel Elahi Galan.
Norwegian world quantity 10 Rudd, who has not received a match this season, hit 25 winners and didn’t face a set level.
Final yr’s runner-up Stefanos Tsitsipas, the world quantity 16, beat Reilly Opelka 6-2 6-2.
