"The Porto footballer is prevented from joining the squad due to the protocols and sanitary regulations established by local authorities in Portugal," read an FCF statement.
Slovan's Canadian forward Brendan O'Donnell could have tied the game in the second period but only hit the goal post to go 1-2.
In the 25km race, China's Gao Chongchong and Zhang Jiajing won the men's and women's group respectively.
"I feel quite happy that we finally have games to play," said Inner Mongolia's center Li Yueru, who finished with 28 points and 14 rebounds in a 44-point rout of Hebei.
Banda's second and third goals in the 39th and 73rd minute helped Shanghai secure the second-round victory, despite Wuhan player Han Peng's free-kick goal in stoppage time of the first half and Beatriz Zaneratto Joao's header in the 80th minute.
Next up for Halep is another 19-year-old youngster, Iga Swiatek of Poland, whom Halep defeated in the round of 16 here last year.
"I wasn't experienced at all then, that was my first match on a big stadium like that, so I was pretty stressed," Swiatek said of her fourth-round loss to Halep last year.
Earlier in the women's race, the world record holder Brigid Kosgei defended her title in 2:18:58.
Eibar midfielder Pape Diop was sent off for the second time this season with 18 minutes remaining, but Rodrigues' later header gave them three vital points in injury time. The visitors also had to thank goalkeeper Marco Dmitrovic for an excellent penalty save with the score at 1-1.
Shaanxi's Chen Yanyu was an assist shy of a triple-double with 21 points, 12 rebounds and nine assists. Li weighed in with 19 points.
The 2019 ATP Finals champion will face Russia's Andrey Rublev for a semifinals place in the next round. The 22-year-old Rublev recovered from a one set down and trailed by 5-2 in the second to knock out Marton Fucsovics 6-7 (4), 7-5, 6-4, 7-6 (3) in the last men's round of 16 clash.