The two teams, who had started the President's Cup with wins, hoped to achieve another success and Tunisia ultimately earned a victory.
With four points, the African side have already secured a top position in Group II as they have a head-to-head advantage over North Macedonia and Morocco, who are tied on two points.
President's Cup Group II
North Macedonia vs Tunisia 28:33 (14:16)
Only a victory against Denmark would have seen Tunisia through to the main round, but the European team won and will start the main round with four points.
Reigning champions also helped Belgium, who stayed third-placed and progressed alongside the Danes and Bahrain. Tunisia finished bottom of Group H with one point and will proceed to the President's Cup.
Group H
Tunisia vs Denmark 21:34 (14:19)
In an extremely hard-fought match, Belgium claimed their maiden win at the World Championship and made a big step towards the main round as they have two points after two matches.
In turn, Tunisia are on just one point and will face Denmark in their last group encounter, so their progression to the main round is under serious threat.
Group H
Belgium vs Tunisia 31:29 (17:16)
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