"We want to play good football, whether it be at sea level, at high altitude, on the road, or at home," Farias told a news conference, urging Bolivians to "have faith in his players".
The transfer will see Marcone reunite with Elche boss Jorge Almiron, who was Marcone's manager at Argentina's Lanus in 2016 and 2017.
In men's competitions, top seed and world No.1 Novak Djokovic only dropped five games to cruise past lucky loser Daniel Elahi Galan of Colombia 6-0, 6-3, 6-2 to reach the last 16.
Bolivia head coach Cesar Farias says he wants to dispel the notion that Bolivia are only competitive at their Hernando Siles stadium in La Paz, more than 3,600 meters above sea level.
The Czech player fired 23 winners in the match in which she converted four of her nine break points. Despite missing a chance to serve for the win in the eighth game of the second set at 5-2, she clinched it when an opportunity appeared again in the tenth to wrap up the victory with a love game.
The 33-year-old will play 17th seed Pablo Carreno Busta the round of eight. The Spaniard dispatched German qualifier Daniel Altmaier 6-2, 7-5, 6-2.
Earlier, Schwartzman knocked out third seed Dominic Thiem in a thrilling marathon battle which lasted over five hours, winning 7-6 (7-1), 5-7, 6-7 (8-6), 7-6 (7-5), 6-2.
"We mainly worked on guarding their three-pointers, also doing well on 3-pointers and rebounds on our own," Dongguan coach Lin Yaosen commented.
Hao joined Guangzhou Evergrande for study under world-class coach Marcello Lippi after managing the Chinese women's national team from 2012 to 2015. He was appointed the executive coach of the Chinese Olympic men's team, but his side failed in pursuit of a ticket to the Tokyo Olympics.
"We stop, we come back, we stop on the changeovers. I think this is a little bit dangerous for the body with these very heavy conditions."
In women's action, Petra Kvitova managed to return to the quarterfinals at Roland Garros for the first time since 2012 after a comfortable 6-2, 6-4 dismissal of China's Zhang Shuai in the opening match on Court Philippe-Chatrier on Monday.