Josip Brekalo managed to score an equalizer in the 56th minute, but Dayot Upamecano's header and Olivier Giroud's penalty secured the win for the hosts.
"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.
Though it was clear that Djokovic had not intended to hit the line judge, organizers nevertheless said the Serbian was disqualified in accordance with the rules.
The 33-year-old confirmed his U-turn in an interview with Goal.com, which comes 11 days after he rocked the footballing world by informing Barcelona that he wanted to leave the club he first joined 20 years ago.
SIPG promptly adjusted tactics to catch up in the second half but were still scoreless, only to see Brazilian forward Marcos Vinicius seal the result with a low drive for China Fortune in stoppage time.
Vinicius has so far promised more than he has delivered in terms of assists and goals, and Rodrygo overtook him in the pecking order last season, but with Marco Asensio returning from a knee injury and Eden Hazard looking to find full fitness, there is no shortage of wide attacking threat.
Havertz, joining his German teammate Timo Werner who arrived at Chelsea earlier this summer, is the Blues' second most expensive signing at 71 million pounds (94 million U.S. dollars).
"It's going to be one of the young guys, I think, if you count Dominic Thiem as a young guy, as well. He obviously has a chance to win. Now I think it is the time where it gets really interesting. We'll see where we go from here," added the German.
Gu is popular in sporting circles of northwest China's Ningxia Hui Autonomous Region. In addition to running, he also enjoys cycling and swimming. He has competed in marathons in Beijing, Shanghai, Xiamen and other cities, and showed up as the oldest pacer at the International Marathon in Yinchuan, capital city of Ningxia. Gu also went to Tennessee in the United States alone to compete in a triathlon.
Simiyu takes over from New Zealand national Paul Feeney who left the post in April citing concerns over the COVID-19 pandemic.
British rider Adam Yates retained the yellow jersey and Peter Sagan took the green jersey.