Top-seeded Carlos Alcaraz advanced to the Argentina Open semifinals after beating Andrea Vavassori of Italy 7-6 (1), 6-1 on Friday. The 20-year-old No. 2-ranked player struggled with Vavassori’s energy in the first set, but cruised to victory in the second on the outdoor clay courts. “Everyone wants to be No. 1 or No. 2, but…