De teamindeling van de onderbouw van de jongens is bekend.
| Team: JO7-1 Jack Kea |
| Jayvelino Cairo |
| Kay Mathlener |
| Maddox Herfst |
| Mats Leistra |
| Team JO8-1 Antoni Porczynski | Team JO8-2 Aryan Singh | Team JO8-3 Arnoud Hoeksema | Team JO8-4 Can Benice | Team JO8-5 Ryan Philip | ||||
| Hugo Walspurger | David van Wissen | Benjamin Quant | Kees Vermeulen | Sem Essink | ||||
| Josef Shery | Emre Erayabacan | Himansh Reddy Barla | Koh Fukunari | Sreyaan Nahi | ||||
| Mika Quak | Florijn Schiernecker | Issa Sesay | Leonardo Niero | Maxwell Teunisse | ||||
| Roman Haidari | Job Hendrix | Jaxon Morbee | Luc Hortensius | Aarav Ramasamy | ||||
| Samuel Quak | Khalid Hezabr | Nevan Aba | Tijn van Bemmel | Ibrahima Diallo | ||||
| Suheel Mohamed | Siem Lesmeister | Sharan Bhatti | ||||||
| Aarush Vulapu | Zinedine Farah |
| Team JO9-1 Ryan van Gerve | Team JO9-2 Finley Blommestijn | Team JO9-3 Daan Tijsen | Team JO9-4 Eren Bozkurt | |||
| Aleksi Kuczynski | Dishan Nath | Umar Sesay | Omer Yalcinkaya | |||
| James Ghebrial | Julius Schoonhoven | Omar Sultan | Tomer Ernens | |||
| Manu Gomes | Resse Zonneveld | Mahmoud Sultan | George Kampakidis | |||
| Steven Midzio | Mohammed Mahed | Jurre van Veen | Naksh Songadwala | |||
| Dahir Haidari | Gabriel Adamziek | Damian Regensburg | Ahaan | |||
| Uwais Aiman | Xavier van Elst | Sami Aboussand | Can Ozdal | |||
| David Nita | Pawel Switakowski | Bodie Allahham | ||||
| Ege Yurtseven |
| Team JO10-1 Alexander Pakulnicki | Team JO10-2 Robin Kraamwinkel | Team JO10-3 Alexander Achterberg | Team JO10-4 Aleksander Perovic | Team JO10-5 Karthik Kalleti | ||||
| Emir Derdiyok | Finn Leistra | Shae Dorn | Gabrielle Saliba | Samyak Marla | ||||
| Sven van Ingen | Mikhael Simon | Rens Koetsier | Mitya Sherstyuokov | Abhinav Gummadi | ||||
| Finn Jansen | Lu’ay Belfor | Liam Attar | Klaas Helder | Athang Dange | ||||
| Iesa Chatian | Desley Binkhuijsen | Arian Ghulam | Dax Kea | Mert Kucukartekin | ||||
| David Vekua | Farys Sanfo | Sali Hammel | Biruk Efrem Afewerki | Marvelllous Johnny | ||||
| Matei Zaharia | Diego Gerritsen | Remy Tubee | Neil Deshpande | |||||
| Noah Sabri Ajari | Imad El Boukmiri | Siddhant Vedpathak | ||||||
| Sho Fukunari |
| Team JO11-1 Ibrahim Cisse | Team JO11-2 Jayden Keizer | |
| Ichiro Klaver | Avaan Prabhat | |
| Tijn van Wissen | Aryan Gautam | |
| Dylan Stallaart | Mohamed Sesay | |
| Kyan Frenken | Eduardo Verhoef | |
| Ties Verijdt | Neev Patil | |
| Yazan Aiman | Jonathan van Steden | |
| Zakaria Haddaoui | André Osei | |
| Quin Raskeyn | Mahan Nalband | |
| Tyler Hendriksen | Reyansh |
| Team JO12-1 Mark van Egmond | Team JO12-2 Ruzgar Duloglu | |
| Max der Kevorkian | Nayef Sersawi | |
| Tobias Quant | Johan Shery | |
| Erdem Bozkurt | Adam El Boukmiri | |
| Luka Kvarantan | Malek Kartash | |
| Felix Ummels | Rajdeep Khati | |
| Tibbe Heins | Orya Horo | |
| Frizo de Wit | Arnav Chaubey | |
| Arnav Bhatnagar | Ibrahim Hidayat | |
| Ihsaan Gangapersad | Aaron Araya | |
| Praise van Glanen Weygel | Yassin Chejjar |
| Team JO13-1 Siem van der Vorm | Team JO13-2 Mustafa Yalcinkaya | Team JO13-3 Vincent Tse | ||
| Wolf Luijs | Oliver Martijnse | Jesse Sparbier | ||
| Martin Lahola | Dex Klaassen | Jamie Klimecki | ||
| Quint Visser | Youssef Said Afellad | Karim Ouja | ||
| Tum Tekleweyni | Arjan Jain | Joshue Eduard van Aanholt Soliz | ||
| Nigel Beijer | Ahaan Jain | Ricky Bren Monegro | ||
| Mason Middendorp | Dex Ruijter | Araav Oemrawsingh | ||
| Milan van de Kar | Pier Martijnse | Raghu Anujram | ||
| Darren Wiafe-Kissi | Tim Bakker | Eduard Nita | ||
| Amaan Anis | Deejay Bosbaan | Adhrit Panda | ||
| Yassir El Mhassani | Tobias van Elst | Pieter Masmeijer | ||
| Denis Smajlović | Nouri Aoui Amar | Luca Loonhout | ||
| Bram Haselaar | Anis Haddaoui | Noah Slotboom | ||
| Omar Kharchich | Stijn Bosma | |||
| Jesse | Zayd Ahmad |