At Rio de Janeiro's Olympic stadium, former Chelsea forward Salomon Kalou made his debut for Botafogo but could not inspire the hosts to victory over Coritiba.
There were also second round wins for fourth seed Stefanos Tsitsipas of Greece, fifth seed Alexander Zverev of Germany and seventh seed David Goffin of Belgium.
"Kyle played a fantastic first set," added Djokovic. "He didn't do much wrong, he served very well and was aggressive from the back of the court. Usually his forehand is a weapon, but his backhand, especially in the first set, was very strong, very solid."
"I was really focused each game and each point. Especially against top players, one point can make the difference. So I had to stay very calm and keep going," the world number 50 added.
His contract with Real Madrid runs to June 2022, but Bale has refused to rule out a move, either this summer or in January.
"Prize money and allowances have been equalled for men's and women's football, which means female players will earn the same as the men," Brazilian Football Confederation (CBF) president Rogerio Caboclo said in a virtual news conference.
Rondon continued to demonstrate his prowess in the second half. In the 48th minute, the Venezuelan striker assisted Swedish winger Sam Larsson to stretch the lead for Dalian.
The hosts added their third goal when Daniel Sampaio latched onto Marco Antonio's pass to slot home in stoppage time.
The match ended in a goalless draw, despite Botafogo's 17 shots on goal to Coritiba's seven.
"TCL is honored to enter into this new cooperation with FIBA for the next four years," Wei Yuki, vice president of TCL said. "Working together again with FIBA, TCL will continue to accelerate their international presence and contribute to the development and progress of global basketball." Enditem
Speaking to Sky Sports while on international duty with Wales, Bale was asked about his future at the La Liga champions.