New Zealand U20: 15 Cohen Norrie, 14 Ollie Guerin, 13 David Lewai, 12 Siale Pahulu, 11 Logan Williams, 10 Mika Muliaina, 9 Charlie Sinton (captain), 8 Patrick Mauga, 7 Caleb Woodley, 6 Bradley Tocker, 5 Jake Frost, 4 Max Fale, 3 Ethan Webber, 2 Josh Findlay, 1 Henry Stuart
Replacements: 16 Xavier Leota, 17 James Moore, 18 Dale Johnston, 19 Finn McLeod, 20 Micah Fale, 21 Boston Krone, 22 Lautasi Etuale, 23 Kobe Brownlee
Italy U20: 15 Pietro Celi, 14 Luca De Novellis, 13 Giacomo Falchetto, 12 Riccardo Casarin (captain), 11 David Luisato, 10 Roberto Fasti, 9 Mattia Andretti, 8 Enoch Opoku Gyamfi, 7 Jaheim Noel Wilson, 6 Carlo Antonio Bianchi, 5 Marco Spreafichi, 4 Simone Fardin, 3 Luca Trevisan, 2 Ettore Dinarte Patricio, 1 Christian Brasini
Replacements: 16 Valerio Pelli, 17 Emiliano Mastropasqua, 18 Erik Meroi, 19 Christian Germano, 20 Antony Italo Miranda, 21 Davide Sette, 22 Nikolaj Varotto, 23 Edoardo Vitale
Ireland U20: 15 Daniel Green, 14 Charlie Molony, 13 Robert Carney, 12 Sean David Walsh, 11 Johnny O’Sullivan, 10 Charlie O’Shea, 9 Christopher Barrett, 8 Alex Lautsou, 7 Ben Blaney (captain), 6 Charlie Keane, 5 Joe Finn, 4 Sean Walsh, 3 Blake McClean, 2 Duinn Maguire, 1 Adam Cooper
**Replacements: **16 Luke McLaughlin, 17 Max Doyle, 18 Jamie Conway, 19 Paddy Woods, 20 Diarmaid O’Connell, 21 Luke Coffey, 22 Jack Deegan, 23 Daniel Ryan
USA U20: 15 Blake Miller, 14 Sialeafuhia Ofa, 13 William Darbishire, 12 Leo Keesler-Venables, 11 Finnian Love, 10 Declan Cadden, 9 Joseph Sarkees, 8 Frank Finicle, 7 Yiannis Efthymiopoulos, 6 Liam Hill, 5 Tanielu Talaepa, 4 Lyndon Bailey, 3 Tyler Trower, 2 Aiden Stewart, 1 Colin Donnelly
Replacements: 16 Salesi Kafovalu, 17 Sawyer Troupe, 18 Quan Nguyen, 19 Pierce Kelly, 20 Harrison Cluff, 21 Spencer Huntley, 22 Dane Mitchell, 23 Jack Firebrace
Scotland U20: 15 Rory McHaffie, 14 Dan Kelly, 13 Campbell Waugh, 12 Henry Kesterton, 11 Nairn Moncrieff, 10 Jake Dalziel, 9 Matthew Fick, 8 Harvey Preston, 7 Jack Utterson, 6 Sam Byrd, 5 Dan Halkon, 4 Christian Lindsay, 3 Ollie Blyth-Lafferty, 2 Joe Roberts (captain), 1 Oliver McKenna
Replacements: 16 Jamie Stewart, 17 Jamie McAughtire, 18 Jackson Rennie, 19 Fin Mather, 20 Oliver Finlayson-Russell, 21 Asa Stewart-Harris, 22 Alex Bryden, 23 Ewan Caven
Japan U20: 15 Ryuto Koga, 14 Gentaro Sakata, 13 Rio Iwakura, 12 Yura Morioka, 11 Isa Fukada, 10 Yuki Kobayashi, 9 Keigo Sato, 8 Akihiro Tsubone (captain), 7 Kise Sin, 6 Riku Fujikubo, 5 Taiga Yamazaki, 4 Masato Yanase, 3 Kanta Kawagoe, 2 Koshi Tsumura, 1 Keigo Aruga
**Replacements: **16 Sota Miura, 17 Song Ha Ri, 18 Keitatsu Motoyama, 19 Masato Hyakutake, 20 Chikara Fukuda, 21 Kohaku Suda, 22 Takeru Niwa, 23 Shinnosuke Uchida
**Argentina U20: **15 Simon Pfister, 14 Bautista Lescano, 13 Pedro Coll, 12 Benjamin Ordiz Yujnovsky, 11 Luciano Avaca, 10 Federico Serpa Laporte, 9 Juan Preumayr, 8 Federico Torre, 7 Jeronimo Sorondo, 6 Tomas Dande (captain), 5 Bautista Benavides, 4 Joaquin Pascual Viale, 3 Bautista Salinas Mallea, 2 Manuel Cueno Camargo, 1 Benjamin Farias Cerioni
**Replacements: **16 Nicolas Cambiasso, 17 Fabrizio Cebron, 18 Federico Narvaez, 19 Felipe Hygonenq, 20 Basilio Canas, 21 Valentino Reggiardo, 22 Manuel Giannantonio, 23 Ramon Fernandez
England U20: 15 James Pater, 14 Tylor Offiah, 13 Nick Lilley, 12 Will Knight, 11 Sam Winters, 10 Hugh Shields, 9 Lucas Friday, 8 Connor Treacey (captain), 7 Seb Kelly, 6 Tate Williams, 5 Aiden Ainsworth-Cave, 4 Elliot Williams, 3 Ollie Streeter, 2 Jimmy Staples, 1 Oliver Scola
**Replacements: **16 Jerold Gorleku, 17 Oliver Spencer, 18 Sonny Tonga’uiha, 19 Patrick Hogg, 20 George Marsh, 21 Jonny Weimann, 22 Finn Keylock, 23 George Pearson
France U20: 15 Axel Guillaud, 14 Dylan Noudofinin, 13 Adrien Drault, 12 Bastien Rasal, 11 Melvyn Rates, 10 Luka Keletaona, 9 Baptiste Tilloles, 8 Elyjah Ibsaiene, 7 Lucas Andjisseramatchi (captain), 6 Raphael Audebert, 5 Romeo Bonnard Martin, 4 Baptiste Veschambre, 3 Alexandre Langlois, 2 Gabin Garault, 1 Matheo Frisach
Replacements: 16 Elia Masi, 17 Edouard Jabea Njocke, 18 Mael Turpin, 19 Bobby Bissu, 20 Leo Michaux, 21 Valentin Hutteau, 22 Diego Jurd, 23 Hugo Avogardo
Australia U20: 15 Wallace Charlie, 14 Tom Farr-Jones, 13 Zach Fittler, 12 Treyvon Pritchard, 11 Cooper Watters, 10 Finn Mackay, 9 Angus Grover, 8 Eli Langi, 7 Tom Robinson (Captain), 6 Luca Clerverley, 5 Toby Brial, 4 William Ross, 3 Lehopoame Leota, 2 Ewald Kruger, 1 Kingbenjamin Swerling-Finaipepe
Replacements: 16 John Greenfell, 17 Jacob Job, 18 Edwin Langi, 19 Isaac Fonua, 20 TJ Talaileva, 21 Sam Blank, 22 Charlie Bird, 23 Riley Whitfeld
South Africa U20: 15 Alzeadon Felix, 14 Cheswill Jooste, 13 Samuel Badenhorst, 12 Ethan Adams, 11 Khuthadzo Rasivhaga, 10 Yaqeen Ahmed, 9 Hendré Schoeman, 8 Vuyo Gwiji, 7 Luke Cannon, 6 Risima Khosa, 5 JD Hattingh, 4 Heinrich Theron, 3 Danie Kruger, 2 Siphosethu Mnebelele (captain), 1 Oliver Reid.
Replacements: 16 Liam van Wyk, 17 Rambo Kubheka, 18 Luan van der Berg, 19 Jaythen Orange, 20 Gert Kemp, 21 Jayden Brits, 22 Markus Müller, 23 Jordan Steenkamp.
**Wales U20: **15 Lewis Edwards, 14 Rhys Cummings, 13 Osian Lewis, 12 Steffan Emanuel, 11 Tom Bowen, 10 Carwyn Leggatt Jones, 9 Sion James, 8 Evan Minto, 7 Caio James, 6 Deian Gwynne (captain), 5 Tom Cottle, 4 Will Evans, 3 Jack Pritchard, 2 Tom Howe, 1 George Tuckley
Replacements: 16 Oscar Thomas, 17 Dylan James, 18 Eystyn Cook, 19 Luke Evans, 20 Osian Justin Williams, 21 Alex Ridgway, 22 Cai Gealy, 23 Lloyd Lucas.
Georgia U20: 15 Nikoloz Khalvashi, 14 Luka Tabatadze, 13 Data Akhvlediani, 12 Davit Barbakadze, 11 Saba Natroshvili, 10 Mate Makharadze, 9 Temuri Dzodzuashvili, 8 Mikheil Shioshvili, 7 Luka Narsia (captain), 6 Irakli Kolbaia, 5 Andria Bilanishvili, 4 Giorgi Meparishvili, 3 Gabriel Meparishvili, 2 David Archvadze, 1 Nikoloz Balachivadze
Replacements: 16 Giorgi Agniashvili, 17 Giorgi Turash Tursashvili, 18 Saba Nozadze, 19 Nikolozi Chkhortolia, 20 Giorgi Ardzenadze, 21 Giorgi Khonelidze, 22 Demetre Devdariani, 23 Davit Arobelidze
Uruguay U20: 15 Nicolas Pittaluga, 14 Alfonso Fernandez, 13 Joaquin Fresnedo, 12 Matteo Acosta, 11 Bruno Baccino, 10 Juan Francisco Pereira, 9 Pierre Cotarmanac’h, 8 Manuel Ponte, 7 Pedro Suarez, 6 Ignacio Merli (captain), 5 Piero Veglio, 4 Felipe Costa, 3 Juan Francisco Bessio, 2 Sebastian Perez, 1 Dario Rodriguez
**Replacements: **16 Jose Candia Sciarra, 17 Sebastian Dalmao Rivero, 18 Juan Manuel Sagario, 19 Nicolas Mattsson, 20 Oryx Kirk, 21 Mateo Ibarburu, 22 Vicente Alvarez, 23 Bautista Menchaca