Luo's compatriots Zhao Xintong, Xiao Guodong and Zhou Yuelong all have progressed into the second stage earlier.
Badosa advanced after beating 2018 finalist Sloane Stephens of the United States 6-4, 4-6, 6-2.
"I'm sure that the sports industry will play a more important role in the Chinese economy in the future." Enditem
The Nerazzurri made a dream start just 28 seconds into the game, as Romelu Lukaku broke the deadlock from Achraf Hakimi's assist.
The two companies reached an agreement recently and officially signed the share sale and purchase agreement.
McDonald tried to play more aggressively in the third set, but it was too late and not enough to overturn a match against the greatest ever tennis player on clay.
"I will be competing for the first time since running under two hours at the INEOS 1:59 Challenge. I'm happy to race with the dominant athletes, that is how the sport is and should be treated like that. Competition makes the sport beautiful," he added.
Hamilton's earlier stop, coupled with his time penalties, meant the Briton emerged from the pitlane down in 11th place. Though he was able to carve his way through the field to finish third, Hamilton was clearly irked at his punishment and voiced his displeasure over the pits-to-car radio.
The competition's group stage draw will take place on Friday, in the Swiss city of Nyon. Enditem
Despite losing a place to Bottas at the start, Verstappen was happy to finish second. "To be able to split the Mercedes cars, we can be pleased with that. I was just trying to do my own race. I'm very happy with second after two (retirements)."
He led the Rio de Janeiro club to their most recent Brazilian Serie A title in 1995 before leaving the following year to take charge of Portugal's Benfica. Enditem