"I feel unhappy even though I won. The result is not good, my friend Ge could have done better than me," said Kong.
Evergrande did extend its lead on 65 minutes when naturalized Luo volleyed from the distance to settle matters.
Dominic Dale, the world number 70, also reached Stage Two after topping his group with two wins and one draw.
The 31-year-old recently commented that he would like to return to the Premier League and said Madrid had blocked previous attempts to leave.
Competing under a six-round format, the 24-year-old landed at 8.36m in round two, which is the world leading mark of the year. Huang Changzhou ranked second with a personal best of 8.33m in his first attempt.
"Everyone will be desperate to beat Europe's top team," the 32-year-old Pole told Xinhua before the Bavarians' 2020/21 Bundesliga curtain-raiser against Schalke on Friday.
Five minutes later, the crossbar denied Dortmund a greater lead before the break, as Jadon Sancho's header bounced off the woodwork.
More than other clubs, Schalke has suffered from games behind closed doors. "Schalke is a club with a very close connection to its enthusiastic fans. To play without them feels strange," he commented.
The deadlock was finally broken with eight minutes to go, when a corner was nodded onto the path of defender Khalilzadeh, who was well-positioned at the far post to control and finish into the bottom corner.
Shenhua could have taken the lead in the 28th minute through Yang Xu's header, but his glancing effort drifted just wide.
"The cap is like a brake to the cost of salary, which has been increasing too fast in recent years. We all need a balanced league because the players' income will finally be effected if the club keeps losing money."