"We haven't had an official game for quite a long time, thus leading to our huge anticipation towards it. All of us are excited about coming back on court," added China's national team center.
Domenec Torrent's men are now fourth in the 20-team standings, three points behind leader Atletico Mineiro.
"I hope the crisis makes the clubs to rethink their strategy and increase their efforts to give space for young talents," he added.
"I executed the race well despite not being fully fit. I have a hamstring injury that I want to manage when I take a break, this being the last event this season. It feels good to end the season on a winning tone, especially at home, having won the Diamond League races in Monaco and Stockholm.
Halep didn't play at her best, especially when facing a firing teenager who combined her drop shot and backhand so perfectly throughout the match.
"Now we can play matches. Even without fans on site, we can feel satisfied back on court, so I cherish it pretty much," she noted.
With the result, Dortmund now sits third in the table, whereas Freiburg suffered its first defeat and slipped to the 11th spot.
Organizers have set up two tracks, a 19.5km track for professionals and a 13km track for amateurs, in a group time trial format, circling the Wulashan Township of Urad Front Banner.
On the top floor of a downtown shopping mall, 29-year-old Sun Shaorong was sitting in a go-kart and wearing a pink helmet. The roar of the engine announced that she was ready to race with other five cars behind her.
The event series includes the 2020 ITTF Women's World Cup, the 2020 ITTF Men's World Cup and the 2020 ITTF Finals.
In men's competitions, top seed and world No.1 Novak Djokovic only dropped five games to cruise past lucky loser Daniel Elahi Galan of Colombia 6-0, 6-3, 6-2 to reach the last 16.