Bremen pulled a goal back six minutes later after Davie Selke headed Ludwig Augustinsson's pinpoint cross into the area.
Zhao defeated amateur Oliver Brown 3-0 in the group opener and went on to beat Nigel Bond 3-1. The world no. 29 secured his top position in the group despite a loss to Liam Highfield 3-0, as the other three players of his group drew with each other in their encounters.
While the Munich side is making every effort to mention as many serious rivals as possible, nearly all of the first tier's coaches name Bayern as the big favorite.
Meanwhile, FIFA president Gianni Infantino restated FIFA's support for the football community during the crisis.
Despite the lack of any games for nearly six months due to the COVID-19 pandemic, Iran has been moved three places up to be positioned 30th by the FIFA.
Shenhua could have taken the lead in the 28th minute through Yang Xu's header, but his glancing effort drifted just wide.
The squad also includes Real Madrid midfielder Federico Valverde, Juventus midfielder Rodrigo Bentancur and Inter Milan defender Diego Godin.
Eight minutes later, things went from bad to worse for Duisburg as Volkmer felled Erling Haaland as the last man to receive his marching orders.
Crouser unleashed a throw of 22.74m at his third attempt, beating his own meeting record of 22.28m set here in 2016.
Following is the preliminary Argentina squad:
Maccabi possessed the ball for most of the early period, but hardly threatened the Belarusians' goal.