"It was a good day for the team as some favourites from the GC lost time too," said Van Aert.
"We played well in the first half and created many chances, but we had difficulty after conceding the first goal," SIPG coach Vitor Pereira said.
Under CONCACAF's qualifying format, the winners of each of the six first-round groups will play a two-legged knockout tie for a place in the last phase. Mexico, the United States, Costa Rica, Jamaica and Honduras have already secured a place in the final round by virtue of their rankings.
"I hope we can be among the top four teams in Asia. As a player I would like to go to the World Championships or the Olympic Games and get a medal at the Asian Championships," said Borhani.
There were shock wins for local players Jennifer Brady and Shelby Rogers. Brady stunned Germany's Angelique Kerber 6-1, 6-4, while Rogers upset Petra Kvitova from the Czech Republic 7-6 (5), 3-6, 7-6 (6). Kazakhstan's Yulia Putintseva also registered an upset as she overcame eighth seed Petra Martic of Croatia 6-3, 2-6, 6-4. Enditem
The start of the race was done in smaller groups of a few hundred people, as opposed to the usual big launch of several thousand.
The clay-court Grand Slam, which was originally due to be held in May, will be staged from September 27 to October 11.
Iran's women team finished fifth in the 2018 Asian Club Championship in Kazakhstan, and Borhani was among the top four scorers of the tournament.
"I've been playing well the past couple of weeks, training well, focussing on the right things, maintaining that level of performance and hoping for the best. I'm feeling confident about my game and taking that to every match I play."
Despite foreseeable setbacks, Loew is going to stick to his plan, Kroos underlined. The German intends to give space for promising youngsters such as the new Chelsea arrivals Kai Havertz and Timo Werner.
National teammate Zhang Yaoguang finished second at 8.23m, followed by Asian Games champion Wang Jianan at 8.08m.