Mixed doubles pair of Kuhoo Garg and Arjun eked out a 11-7 11-9 10-11 8-11 11-8 win over Scotland's Adam Hall and Julie Mc Pherson in the semifinals in a 35-minute match to enter the finals, where they will take on German combo of Bjarne Geiss and Yvonne Li.
Earlier in the day, Kuhoo and Arjun had defeated Pawel Smilowski and Magdalena Swierczynska of Poland 11-7, 11-9 and 11-3 in the quarterfinals.
Kuhoo and Arjun had won two gold medals in Sushant Chipalkatti Memorial Junior International Badminton Championship at Pune early this month.
The Indian combo had beaten Belgium's Rover Jay Babatido and Lawrence De Pauw 11-7 11-2 11-7 in the semifinals.
However, it was curtains for men's singles player Rahul Bharadwaj. Bharadwaj, who had beaten Germany's David Peng 11-6 11-4 11-8 in the quarterfinals, lost to Turkey's Muhammed Ali Kurt 7-11 8-11 6-11 in a 20-minute semifinal match.
Belgian Junior open is one of BWF's sanctioned events which is testing out the experimental scoring system -- 5 games to 11.