Also on Thursday, former Italian international Eder scored the winner to help Jiangsu Suning beat Shangdong Luneng 1-0.
Luis Enrique's team left it late and flabbergasted the hosts when Moreno flicked on a cross before Gaya poked home with a turn shot from very close range in the closing seconds of injury-time.
There were also second round wins for fourth seed Stefanos Tsitsipas of Greece, fifth seed Alexander Zverev of Germany and seventh seed David Goffin of Belgium.
"I have to explain my philosophy to my players, but it is not possible without playing football. This is a key issue that needs to be taken into consideration," Skocic said.
In the 65th minute, Dalian's Ke Zhao added a goal of his own and sealed the 4-0 victory.
"I cannot begin to explain how incredible an opportunity it is to join a club with such an amazing history. I would like to thank everyone at Ajax, I grew up there and I will always have a special bond with the club. I am now ready to take the next step in my career and perform at the highest level and there is no higher standard than Manchester United," said Van de Beek on the Manchester United website.
"It was a delight to wear yellow. Hopefully I'll keep for a few more days. Let's first see how it goes tomorrow."
With this result, Dalian are sixth in Group A with nine points, while Henan with six points remained in last place.
Larsen later became president of Badminton Europe in 2010 before being elected BWF president in 2013. He was reelected as BWF president in 2017. Enditem
The hosts added their third goal when Daniel Sampaio latched onto Marco Antonio's pass to slot home in stoppage time.
PP Sports released a statement on Thursday night, claiming the termination was just a "strategic adjustment".