Chelangat, 22, announced her arrival to the track world when she won the bronze medal in the women's 3,000m at the 2015 World Junior Championships in Cali, Colombia but has struggled with injuries and loss of form ever since.
Kosgei was later disqualified for stepping onto the infield in the closing stages.
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).
There were also third round wins for Belgian star Elise Mertens, Belarussian veteran Victoria Azarenka and France's Alize Cornet.
After months of preparation, the ITTF announced the return of table tennis to the international arena and named it RESTART.
In the other matches of the day, Xiamen Tefang edged Shenzhen Nankeda 4-1, while Zhejiang Nengyuan defeated Anhui Souyu 3-2. Enditem
Chongqing surged into a 2-0 lead just 22 minutes into the game with a pair of strikes from Alan Kardec and Adrian Mierzejewski, while Teda's Hui Jiakang pulled one goal back in the 62nd minute.
MADRID, Sept. 4 (Xinhua) -- Leo Messi published a video message on Friday afternoon confirming that he will remain at the Barcelona club for the 2020-21 season to see out the remaining year of his contract.
Since the ITTF rankings have been frozen since April 2020, the restart plan will offer players the opportunity to elevate their world rankings before the end of 2020.
Slovenia's Roglic arrived with the leading group to remain 21 seconds ahead of defending champion Egan Bernal on the overall standings.
NAIROBI, Sept. 8 (Xinhua) -- Kenyan retired star Innocent Simiyu was on Tuesday reappointed as the head coach of Kenya's rugby sevens side.