How noisy 50,000 excited football fans can get will be put to the test this week as the roof of the main stadium is retracted for the first time in a series of trial runs at the new Kai Tak Sports Park.

Officials say the stadium will be packed on Tuesday for a Hong Kong Premier League U22 match between Kitchee and North District.

At a press briefing on Sunday, sports commissioner George Tsoi said opening the roof will allow the Environmental Protection Department to check how much of a noise nuisance events at the stadium could potentially pose to residents of nearby areas.

He added that officials also want to see how opening the roof affects the experience of those inside the venue.

"Last time when we had a sports event in early January, we found that the overall ambience, when the retractable roof was closed, was very good. Because when the audience were cheering for their teams, the sound effects were very good," he said.

"This time, we are going to open the retractable roof to see how the ambience, as well as other production effects, would be going on in sports events."

Authorities said they also want to see how easy it is for 50,000 people to leave the stadium after an event, with services on the MTR's Tuen Ma and Kwun Tong lines to be enhanced and 10 special bus services to be laid on for the test event.