Traore played the last half hour as a substitute in a thrilling cameo in which he showed his power and lightning speed, while Olmo showed intelligence linking midfield and attack.
But the visitors equalized just after halftime through Pereira, who headed in his first goal of the season after a Diego Ribas set-piece.
"I was definitely not pleased with the way I played the finishing stages of the third and fourth sets, but I was very pleased with the way I kept my composure mentally throughout the entire match," said Djokovic. "I did feel that even though I lost the third and fourth, I still felt like I was the better player on the court. I had more control. I just felt comfortable playing."
Argentina will face Ecuador at La Bombonera in Buenos Aires on Thursday and Bolivia in La Paz next Tuesday.
PARIS, Oct. 10 (Xinhua) -- Teenager Iga Swiatek became the first Polish player to win a Grand Slam singles title as she beat American fourth seed Sofia Kenin 6-4, 6-1 in women's singles final at Roland Garros on Saturday.
Italy added another in the 30th minute when El Shaarawy found the net with the outside of his boot.
The 54th-ranked 19-year-old, who did not drop a set throughout the two-week tournament, also became the lowest-ranked French Open female winner since the WTA computer rankings began in 1975.
Due to the strict preventative measures, even though new coronavirus infections and fatalities have been spiking worldwide and across the United States, COVID-19 activity has stayed comparatively low in California, where most key figures are either slowly declining or flattening. Enditem
The American improved her 2020 record in majors to a spectacular 16-1 after the win, during which she avoided the need for a deciding set and saved 10 of 12 breakpoints to seal the victory.
Brazil will now turn their focus to their next qualifier against Peru in Lima on Tuesday while Bolivia will confront Argentina in La Paz the same day.
Arias was taken off on a stretcher in the 12th minute of Friday's clash at Estadio Metropolitano after colliding with Darwin Marchis in an incident that left the Bayer Leverkusen player's left foot jutting sideways from his ankle.