| Athletes name | Federation | Gender | Hand | Age |
| Dominic Groß | Austria | Boys | Dual Righthanded | 12 |
| Fabian Groß | Austria | Boys | Dual Righthanded | 15 |
| Gregory Gabrielian | Austria | Boys | Righthanded | 16 |
| Kai-Jürgen Eder Jun. | Austria | Boys | Righthanded | 12 |
| Melissa Strobl | Austria | Girls | Dual Righthanded | 16 |
| Gabin Roman | Belgium | Boys | Dual Righthanded | 16 |
| Tuur Vercauteren | Belgium | Boys | Righthanded | 16 |
| William Dillen | Belgium | Boys | Dual Righthanded | 15 |
| Wout Wouters | Belgium | Boys | Dual Lefthanded | 16 |
| Chloé Berger | Belgium | Girls | Righthanded | 15 |
| Ilena Brams | Belgium | Girls | Dual Righthanded | 14 |
| Ian Jambrović | Croatia | Boys | Dual Righthanded | 16 |
| Jakov Kovačević | Croatia | Boys | Dual Righthanded | 11 |
| Marko Kovačević | Croatia | Boys | Dual Righthanded | 13 |
| Vedran Barunčić | Croatia | Boys | Dual Righthanded | 14 |
| Lana Dobrenić | Croatia | Girls | Righthanded | 17 |
| Vivian Banjac | Croatia | Girls | Righthanded | 17 |
| David Mojka | Czech Republic | Boys | Dual Righthanded | 15 |
| Jakub Sedláček | Czech Republic | Boys | Dual Righthanded | 18 |
| Jaroslav Zapletal | Czech Republic | Boys | Dual Righthanded | 16 |
| Ondrej Prekop | Czech Republic | Boys | Dual Righthanded | 17 |
| Ema Iwazawa | Czech Republic | Girls | Righthanded | 15 |
| Julie Rácová | Czech Republic | Girls | Righthanded | 16 |
| Pavla Žáčková | Czech Republic | Girls | Righthanded | 15 |
| Zuzana Kvasničková | Czech Republic | Girls | Dual Righthanded | 18 |
| Benjamin Kjærsgaard Kristensen | Denmark | Boys | Righthanded | 17 |
| David Günther | Denmark | Boys | Dual Righthanded | 18 |
| Magnus Rehnquist | Denmark | Boys | Righthanded | 17 |
| Tobias Kastfelt Bryde | Denmark | Boys | Dual Lefthanded | 16 |
| Karen Kærgaard Nielsen | Denmark | Girls | Lefthanded | 18 |
| Maja Løntoft | Denmark | Girls | Righthanded | 17 |
| Monica Schak Nielsen | Denmark | Girls | Righthanded | 16 |
| Sofie Kærgaard Nielsen | Denmark | Girls | Righthanded | 18 |
| Charlie Upton | England | Boys | Lefthanded | 17 |
| Frank Stephenson | England | Boys | Dual Lefthanded | 17 |
| Kallum Peach | England | Boys | Righthanded | 17 |
| Louie Dawson | England | Boys | Dual Righthanded | 16 |
| Abbie Rhodes | England | Girls | Righthanded | 17 |
| Jessica Sillis | England | Girls | Righthanded | 18 |
| Olivia Mccarthy | England | Girls | Righthanded | 17 |
| Yolanta Stephenson | England | Girls | Righthanded | 17 |
| Karl Martin Veiderpass | Estonia | Boys | Dual Righthanded | 17 |
| Kermo Porovardja | Estonia | Boys | Dual Righthanded | 14 |
| Kert Isakar | Estonia | Boys | Dual Righthanded | 13 |
| Robin Miklas | Estonia | Boys | Dual Righthanded | 15 |
| Elise Marii Saar | Estonia | Girls | Righthanded | 12 |
| Isabella Eigo | Estonia | Girls | Righthanded | 12 |
| Kaisa-Ly Lee | Estonia | Girls | Dual Righthanded | 14 |
| Marite Isakar | Estonia | Girls | Dual Righthanded | 15 |
| Antonio Valtonen | Finland | Boys | Righthanded | 17 |
| Jussi Laine | Finland | Boys | Righthanded | 16 |
| Markus Lahti | Finland | Boys | Dual Righthanded | 17 |
| Nooa Vilokkinen | Finland | Boys | Righthanded | 16 |
| Emma Palermaa | Finland | Girls | Dual Righthanded | 13 |
| Julia Vesanen | Finland | Girls | Righthanded | 16 |
| Stella Lökfors | Finland | Girls | Righthanded | 17 |
| Tiiamari Laukkanen | Finland | Girls | Righthanded | 18 |
| Alexandre Pedejouan | France | Boys | Righthanded | 17 |
| Raphael Durivault | France | Boys | Dual Righthanded | 14 |
| Thomas Laymet Carre | France | Boys | Dual Righthanded | 15 |
| Timeo Dujardin | France | Boys | Lefthanded | 16 |
| Anna Ragner | France | Girls | Righthanded | 15 |
| Justine Raynaud | France | Girls | Righthanded | 17 |
| Lizea Bergamino | France | Girls | Righthanded | 17 |
| Melissa Garcia | France | Girls | Lefthanded | 17 |
| Max Lorenz | Germany | Boys | Dual Righthanded | 18 |
| Phil Baumeister | Germany | Boys | Dual Righthanded | 13 |
| Robin Reincke | Germany | Boys | Dual Righthanded | 17 |
| Shane Wanzke | Germany | Boys | Dual Righthanded | 16 |
| Fiona Nadine Lindemann | Germany | Girls | Dual Righthanded | 15 |
| Maxine Bolek | Germany | Girls | Righthanded | 16 |
| Romina Square | Germany | Girls | Righthanded | 17 |
| Saskia Kirschke | Germany | Girls | Righthanded | 15 |
| Ásgeir Karl Gústafsson | Iceland | Boys | Dual Righthanded | 15 |
| Matthías Leó Sigurðsson | Iceland | Boys | Righthanded | 16 |
| Mikael Aron Vilhelmsson | Iceland | Boys | Dual Righthanded | 17 |
| Tristan Máni Nínuson | Iceland | Boys | Righthanded | 16 |
| Bára Líf Gunnarsdóttir | Iceland | Girls | Dual Righthanded | 12 |
| Olivia Clara Lindén | Iceland | Girls | Righthanded | 17 |
| Særós Erla Jóhönnudóttir | Iceland | Girls | Righthanded | 13 |
| Viktoría Hrund Þórisdóttir | Iceland | Girls | Righthanded | 17 |
| Colum Staines | Ireland | Boys | Dual Righthanded | 15 |
| Dillon Mckeown | Ireland | Boys | Dual Righthanded | 18 |
| Anna Lawlor | Ireland | Girls | Righthanded | 16 |
| Ciara Lawlor | Ireland | Girls | Righthanded | 18 |
| Hannah Masterson | Ireland | Girls | Dual Righthanded | 17 |
| Laura Grant | Ireland | Girls | Righthanded | 15 |
| Christian Forte | Italy | Boys | Dual Righthanded | 18 |
| David Giantomassi | Italy | Boys | Dual Righthanded | 16 |
| Gabriele Caiti | Italy | Boys | Lefthanded | 16 |
| Marco Rosellini | Italy | Boys | Dual Lefthanded | 16 |
| Giulia Pozzoli | Italy | Girls | Righthanded | 18 |
| Laura Visconti | Italy | Girls | Righthanded | 18 |
| Jurijs Bokums | Latvia | Boys | Righthanded | 16 |
| Emilijus Grigoraitis | Lithuania | Boys | Dual Righthanded | 15 |
| Joris Remeika | Lithuania | Boys | Dual Righthanded | 15 |
| Chris Fenech | Malta | Boys | Righthanded | 17 |
| Julian Baldacchino | Malta | Boys | Righthanded | 17 |
| Kayden Lagana | Malta | Boys | Dual Righthanded | 16 |
| Nicolai Mallia | Malta | Boys | Dual Lefthanded | 14 |
| Celianne Micallef | Malta | Girls | Righthanded | 16 |
| Jade Barbara | Malta | Girls | Righthanded | 13 |
| Karlise Bartolo | Malta | Girls | Righthanded | 15 |
| Mia Bugeja | Malta | Girls | Righthanded | 16 |
| Floris Dollevoet | Netherlands | Boys | Righthanded | 16 |
| Lucas Dollevoet | Netherlands | Boys | Righthanded | 13 |
| Milan Kunst | Netherlands | Boys | Righthanded | 15 |
| Radin Alizade | Netherlands | Boys | Righthanded | 14 |
| Lieke Durieux | Netherlands | Girls | Righthanded | 16 |
| Lotte Commandeur | Netherlands | Girls | Righthanded | 17 |
| Rosan Hamminga | Netherlands | Girls | Righthanded | 17 |
| Veerle Tribulet | Netherlands | Girls | Righthanded | 16 |
| Christian Danielsen Otting | Norway | Boys | Dual Righthanded | 14 |
| Magnus Haram Mittet | Norway | Boys | Dual Righthanded | 15 |
| Mathias Danielsen Otting | Norway | Boys | Dual Righthanded | 16 |
| Tian Solum Vallestad | Norway | Boys | Dual Righthanded | 13 |
| Emilie Marie Aas | Norway | Girls | Dual Righthanded | 16 |
| Madelen Thorsrudhagen Danielsen | Norway | Girls | Dual Righthanded | 15 |
| Malin Johnerud Schau | Norway | Girls | Righthanded | 16 |
| Mia Linnea Lillegjære | Norway | Girls | Dual Righthanded | 17 |
| Daniel Krajewski | Poland | Boys | Dual Righthanded | 15 |
| Patryk Antosiak | Poland | Boys | Dual Righthanded | 17 |
| Patryk Dudziński | Poland | Boys | Dual Righthanded | 13 |
| Tymon Zboralski | Poland | Boys | Dual Righthanded | 15 |
| Adrian Balos | Romania | Boys | Dual Righthanded | 15 |
| Mate Balazs-Becsi | Romania | Boys | Dual Righthanded | 15 |
| Mihai-Alin Dragnia | Romania | Boys | Dual Lefthanded | 18 |
| Radu-Gabriel Tufan | Romania | Boys | Dual Lefthanded | 17 |
| Ben Wallace | Scotland | Boys | Lefthanded | 14 |
| Kevin Shaw | Scotland | Boys | Righthanded | 17 |
| Thomas Carver | Scotland | Boys | Righthanded | 15 |
| Aaron Claxton | Scotland | Boys | Dual Righthanded | 17 |
| Isla Claxton | Scotland | Girls | Righthanded | 13 |
| Kelsi Cuthbert | Scotland | Girls | Lefthanded | 17 |
| Melissa Ainslie | Scotland | Girls | Righthanded | 16 |
| Sarah Scott | Scotland | Girls | Righthanded | 13 |
| David Barak | Slovakia | Boys | Dual Righthanded | 16 |
| Filip Juhas | Slovakia | Boys | Righthanded | 16 |
| Lukas Spacek | Slovakia | Boys | Dual Lefthanded | 16 |
| Matus Hrusovsky | Slovakia | Boys | Dual Righthanded | 16 |
| Adrian Gal Del Piero | Slovenia | Boys | Dual Righthanded | 17 |
| Qendrim Krasniqi | Slovenia | Boys | Righthanded | 15 |
| Tomo Gaber Pinteric | Slovenia | Boys | Dual Righthanded | 16 |
| Aljana Knavs | Slovenia | Girls | Righthanded | 16 |
| Ema Povse | Slovenia | Girls | Righthanded | 13 |
| Daniel Aguilar | Spain | Boys | Righthanded | 18 |
| Jensen Bourricaudy | Spain | Boys | Righthanded | 15 |
| Albin Gullstrand | Sweden | Boys | Dual Lefthanded | 18 |
| Carl Eklund | Sweden | Boys | Dual Righthanded | 18 |
| Emil Svensson | Sweden | Boys | Dual Righthanded | 17 |
| Robin Noberg | Sweden | Boys | Dual Righthanded | 18 |
| Elin Bergqvist | Sweden | Girls | Righthanded | 16 |
| Elissa Mehmet | Sweden | Girls | Dual Righthanded | 16 |
| Kajsa Samuelsson | Sweden | Girls | Righthanded | 17 |
| Lova Nilsson | Sweden | Girls | Righthanded | 15 |
| Alessandro Ambauen | Switzerland | Boys | Dual Righthanded | 17 |
| Leandro Keel | Switzerland | Boys | Righthanded | 18 |
| Luca Zen | Switzerland | Boys | Dual Righthanded | 15 |
| Tobias Klingler | Switzerland | Boys | Righthanded | 17 |
| Cemal Batu Pinar | Turkey | Boys | Dual Lefthanded | 16 |
| Muhammed Yasir Kul | Turkey | Boys | Dual Righthanded | 15 |
| Tuna Böncü | Turkey | Boys | Dual Righthanded | 17 |
| Ömer Faruk Kul | Turkey | Boys | Dual Righthanded | 16 |
| Ayşe Elif Eser | Turkey | Girls | Righthanded | 18 |
| Rümeysa Deligöz | Turkey | Girls | Dual Lefthanded | 16 |
| Andrii Gadiatskyi | Ukraine | Boys | Dual Lefthanded | 16 |
| Viktor Miroshnychenko | Ukraine | Boys | Dual Righthanded | 16 |
| Nataliia Miroshnychenko | Ukraine | Girls | Dual Righthanded | 13 |