In the 11th minute, the Spanish team were awarded a penalty after David Alaba felled Ivan Rakitic, allowing Lucas Ocampos to open the scoring in the 13th minute.
The 20-year-old kept a clean sheet after clearing 5.82 meters. Reigning world champion Sam Kendricks of the United States and France's former world record holder Renaud Lavillenie needed their third attempts to leap off 5.82m.
More than 2,000 competitors from China, Britain, Japan, Canada, Spain and other countries and regions will take part in the competition, which is comprised of a 65km race, 25km race and 5km race. The top eight contestants in the men's and women's groups can get prize money ranging from 100 yuan to 2,000 yuan.
Dortmund started an onslaught on Augsburg's goal but Gikiewicz staged a faultless performance and drove the visitors to desperation with his saves in the closing stages.
Arrascaeta doubled the visitors lead by holding his ground while under pressure from Damian Diaz and then nonchalantly lofting a shot over Burrai that went in off the underside of the crossbar.
Szalai was placed on an individual training program but refused to stay away from team training, and joined practise sessions of the club's under-23 team.
Suzhou opened the scoring with a low drive in the penalty area from Nigerian Chris Shimbayev through a corner kick, but it was ruled out for offside. Both sides posed threats to the other, but no goals were scored in the first half.
Newly promoted Huesca then visit Valencia, who should have winger Denis Cheryshev and keeper Jasper Cillessen both available after last weekend's defeat in Vigo.
Racing moved to second in Group F, three points behind leaders Nacional of Uruguay. Alianza Lima occupy last place, having failed to pick up a point from four matches.
"We are not the ones making the decisions," Flick said when reacting to UEFA's announcement to stick to their plans of allowing a crowd in the Puskas Arena.
In Tuesday's statement, Fedefutbol asked its government to "start conversations" to facilitate international fixtures scheduled for October and November.