"It's because I did a lot of things well. I played more aggressively than the previous days. I went to the net more often, and I hit a lot of winners," added the 12-time French Open champion, who needed only one hour and 35 minutes to see off his opponent.
Argentina will face Ecuador in Buenos Aires on Thursday and Bolivia in La Paz five days later.
Ospina is the fourth player to be cut for the fixtures because of injuries or coronavirus restrictions, joining Porto pair Matheus Uribe and Luis Diaz as well as Leon midfielder Yairo Moreno.
Henan coach Li Jianxin offered a score of 80 points for his team's performance.
The previous best for the No.7 seed in Paris was the semifinals in 2012 when she lost to eventual champion Maria Sharapova 6-3, 6-3.
Mainz were unable to gain a foothold into the first half and had to wait until the 38th minute to get their first chance on target, as Jean-Philippe Mateta's header came close.
"I'm very, very happy to be in the semifinals again and here at Roland Garros," Nadal said on court. "No doubt that this is the most important place for me and the most beautiful place to play."
"It is a very difficult group with Leipzig as the third seed," Tuchel said. "We know how strong they are. We will need to be at our best to go through." Enditem
Yang, Li Yueru and Li Yuan combined for 12 points, while Guo Zixuan made Hebei's only basket during the span.
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 ITTF and CTTA remain committed to ensuring that the highest safety measures are implemented to protect everyone involved in the events," said the world table tennis governing body. Enditem