Scaloni also spoke about the challenge of preparing for Argentina's qualifiers during the coronavirus pandemic and underlined the difficulty of South America's 18-round qualifying tournament.
Ghana captain Andrew Ayew and Samuel Owusu were on target in the 63rd and the 65th minute to restore Black Stars' lead.
But it turned out to be enough for the visitors although the home team almost managed to force the game into overtime by cutting the 0-3 deficit to one in the final stretch.
Two-time Wimbledon winner Kvitova produced more winners in the match (28-23) but also committed more unforced errors (31-20) than her younger opponent.
MADRID, Oct. 8 (Xinhua) -- Valencia coach Javi Gracia will remain at the club for the time being, as it would cost him three million euros if he chooses to leave now.
"It is the first time in front of all managers, the CEOs, and teams with all their experienced drivers," he said. The young German promised to concentrate on his qualities and "do what I like best".
The two legends have met more than any other two players in the Open Era, a record 55 times, as Djokovic holds a 29-26 lead.
Ahead of the start of the first round, player Stuart Carrington and referee Andrew Barklam tested positive for COVID-19.
The 33-year-old opened up about his September departure from the Camp Nou after scoring from the penalty spot to help Uruguay beat Chile 2-1 in their opening 2022 World Cup qualifier on Thursday.
Now the duo share the record of 20 Grand Slam singles titles.
The Black Stars, who top their group will meet Sudan in a doubleheader AFCON qualification with the first leg in the Ghanaian town of Cape Coast and the return encounter in Khartoum, Sudan.