Yunnan made more errors in the second set, especially in serve and back court receiving, only to witness Beijing take the set again.
Both sides had chances in the first half, but all shooting attempts were of low quality. Wang Shenchao was fouled in the penalty area in 42nd minute, but the Shanghai defender was offside beforehand.
"Fairly quickly after the first talks, I already knew that I want to play for Leipzig. The offensively minded style of Julian Nagelsmann suits my playing style," said Sorloth.
Philippe Coutinho also has a lot to prove after his loan spell at Bayern, while questions remain over what style of play Koeman will look to impose.
Widespread reports in the Israeli media suggest the 27-year-old will join Dubai's Al-Nasr SC, who play in the UAE Pro League.
Dortmund responded with furious attacks but Gikiewicz was alert enough to keep out promising chances from Thomas Meunier and Erling Haaland before the break.
As the match progressed, Augsburg grew in confidence and opened the scoring against the run of play in the 40th minute when Caligiuri's pinpoint cross into the box found Uduokhai, who headed home.
If head coach Domenec Torrent didn't have enough obstacles to overcome, an eruption of ash from the Sangay volcano left his team unable to train on Sunday.
The 28-year-old will travel to Sao Paulo to undergo a medical on Wednesday after the clubs agreed to financial terms, the Globo Esporte news outlet said on Tuesday.
Earlier this month, the French Tennis Federation had initially planned for 11,500 spectators spread over three courts at Roland Garros, but it reduced the number to 5,000 on September 17 as required by government officials, and that number has now been cut again to 1,000.
In other matches on Wednesday, Caracas secured a 2-1 home victory over Libertad, Defensa y Justicia won 2-1 at home to Olimpia and America de Cali were held to a 1-1 draw by Universidad Catolica. Enditem