Frank Lampard's expensively assembled Chelsea side also began the new season with three points, winning 3-1 away at Brighton & Hove Albion in the Monday evening kick-off.
Dortmund controlled possession but had to wait until the 21st minute for their first clear-cut chance, as Haaland's header called Yann Sommer into action.
The former assistant to Pep Guardiola has overseen five wins, two draws and four losses, the same number of defeats suffered by the team in the entire 2019 Brazilian Serie A season.
The Rio de Janeiro state championship resumed behind closed doors in June and officials had hoped to reopen stadiums in July but changed their minds as infections soared.
The sanitary protocols establish, among other measures, that only those who have a negative test for COVID-19 are allowed to enter the playing field and changing rooms.
The Celta captain opened the scoring from Nolito's pass after 15 minutes in an entertaining match which saw Celta play some impressive football.
Both coaches remain under fire. Former Huddersfield hero David Wagner and Florian Kohfeldt top the list of endangered managers.
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.
"I feel unhappy even though I won. The result is not good, my friend Ge could have done better than me," said Kong.
"Our players are highly motivated to beat their opponents on Sunday. We are Esteghlal and can benefit from our previous experience in the competition," he added.
SUZHOU, China, Sept. 15 (Xinhua) -- Shanghai SIPG claimed a 2-1 victory over Wuhan Zall, while Hebei China Fortune tied Beijing Guoan 3-3 in the 11th round of the Chinese Super League (CSL) here on Tuesday.