BUENOS AIRES -- Second-ranked Carlos Alcaraz won his first match of the year on by beating Laslo Djere 6-2, 4-6, 6-2 in the Argentina Open.
The 19-year-old U.S. Open champion missed the Australian Open with a leg injury and ceded the No. 1 ranking to Novak Djokovic, who won the title in Melbourne.
Alcaraz will face Dusan Lajovic in the quarterfinals of the clay-court tournament. Lajovic beat Camilo Ugo Carabelli 6-3, 6-1.
Local favorite Diego Schwartzman and 2020 U.S. Open champion Dominic Thiem will play for a spot in the quarterfinals.