The veteran opened the score by firing a freekick before the break, then added a second by curling home from the edge of the penalty area in the 73rd minute.
Xilinhot became the host city of the annual national equestrian competition in 2013. Enditem
"You can feel it in your body when you have a good throw, mostly you feel the whole energy behind it, from the right toe to the chest to the hands. In the javelin you need your whole body. But it's really hard to explain - you feel it for less than one second. But then you realize that it was a huge throw," he explained.
"The pandemic really has affected us tremendously. But I have not wasted my time. Instead, I kept improving my techniques. I was ready for this competition," he added.
CTTA President Liu Guoliang called "it very significant that the ITTF has chosen China as the host to restart competitions after what has been an extremely challenging year for our sport."
Slovenia's Roglic arrived with the leading group to remain 21 seconds ahead of defending champion Egan Bernal on the overall standings.
1,500 football fans are allowed to watch this match in the stadium, which is the first time in the CSL's Dalian division since the league postponed to start from July 25.
Third seed Williams essayed a signature comeback and served 12 aces to edge past her American compatriot Stephens 2-6, 6-2, 6-2 in one hour and 43 minutes.
The Bayern defender refers to the fact that most of Germany's new faces have known each other for many years, having played in the same club or Germany's youth teams.
"This is crazy. It was already something unbelievable to win a stage on my first participation to the Giro d'Italia last year and now it's the same at the Tour de France," said the AG2R rider after the victory.
"I think lots of people didn't think it was possible to throw a javelin more than 95 meters in a closed stadium. I did it and I think there is a lot space for improvement. Very small differences, tiny differences, can make a difference of many meters."