FIFA has released the referee designations for the first matchday of FIFA Under-20 World Cup in Turkey. Special thanks to Árbitro Internacional, who transmitted these news!
Group A, 21 June 2013, 17:00 CET
France - GhanaReferee: Wilmar Roldán (COL)
Assistant Referee 1: Humberto Clavijo (COL)
Assistant Referee 2: Eduardo Díaz (COL)
Fourth Official: Roberto Moreno (PAN)
FIFA Referee Assessor: Carlos Alarcón (PAR)
Blog Observer: Edward A. (GRE)
Group B, 21 June 2013, 17:00 CET
Cuba - Korea RepublicReferee: Cüneyt Çakır (TUR)
Assistant Referee 1: Bahattin Duran (TUR)
Assistant Referee 2: Tarik Ongun (TUR)
Fourth Official: Viktor Kassai (HUN)
FIFA Referee Assessor: Badara Sene (SEN)
Blog Observer: Nur H. (ENG)
Group A, 21 June 2013, 20:00 CET
United States of America - SpainReferee: Bakary Papa Gassama (GAM)
Assistant Referee 1: Angesom Ogbamariam (ERI)
Assistant Referee 2: Felicien Kabanda (RWA)
Fourth Official: Noumandiez Doue (CIV)
FIFA Referee Assessor: Carlos Alarcón (PAR)
Blog Observer: Edward A. (GRE)
Group B, 21 June 2013, 20:00 CET
Nigeria - PortugalReferee: Victor Carrillo (PER)
Assistant Referee 1: Jhonny Bossio (PER)
Assistant Referee 2: César Escano (PER)
Fourth Official: Alberto Undiano (ESP)
FIFA Referee Assessor: Badara Sene (SEN)
Blog Observer: Çagatay I. (TUR)
Group C, 22 June 2013, 17:00 CET
Colombia - AustraliaReferee: Milorad Mažić (SRB)
Assistant Referee 1: Milovan Ristić (SRB)
Assistant Referee 2: Dalibor Djurdjević (SRB)
Fourth Official: Nicola Rizzoli (ITA)
FIFA Referee Assessor: Celestin Ntagungira (RWA)
Blog Observer: Chefren (ITA)
Group D, 22 June 2013, 17:00 CET
Turkey - El SalvadorReferee: Sandro Ricci (BRA)
Assistant Referee 1: Alessandro Rocha De Matos (BRA)
Assistant Referee 2: Emerson De Carvalho (BRA)
Fourth Official: Stéphane Lannoy (FRA)
FIFA Referee Assessor: Ingrid Jonsson (SWE)
Blog Observer: Niclas E. (GER)
Group C, 22 June 2013, 20:00 CET
Mexico - GreeceReferee: Peter O'Leary (NZL)
Assistant Referee 1: Jan Hendrik Hintz (NZL)
Assistant Referee 2: Ravinesh Kumar (FIJ)
Fourth Official: Benjamin Williams (AUS)
FIFA Referee Assessor: Celestin Ntagungira (RWA)
Blog Observer: Niclas E. (GER)
Group D, 22 June 2013, 20:00 CET
Paraguay - MaliReferee: Nawaf Shukralla (BHR)
Assistant Referee 1: Yaser Abdulla Tulefat (BHR)
Assistant Referee 2: Ebrahim Mubarak Saleh (BHR)
Fourth Official: Damir Skomina (SVN)
FIFA Referee Assessor: Ingrid Jonsson (SWE)
Blog Observer: Niclas E. (GER)
Group E, 23 June 2013, 17:00 CET
Chile - EgyptReferee: Jonas Eriksson (SWE)
Assistant Referee 1: Mathias Klasenius (SWE)
Assistant Referee 2: Daniel Wärnmark (SWE)
Fourth Official: Wilmar Roldán (COL)
FIFA Referee Assessor: Lee Harmon (CKI)
Blog Observer: Carlos S. (COL)
Group F, 23 June 2013, 16:00 CET
New Zealand - UzbekistanReferee: Antonio Arias (PAR)
Assistant Referee 1: Rodney Aquino (PAR)
Assistant Referee 2: Carlos Cacéres (PAR)
Fourth Official: Bakary Papa Gassama (GAM)
FIFA Referee Assessor: Michal Listkiewicz (POL)
Blog Observer: Chefren (ITA)
Group E, 23 June 2013, 20:00 CET
England - IraqReferee: Roberto García (MEX)
Assistant Referee 1: José Luis Camargo (MEX)
Assistant Referee 2: Alberto Morín (MEX)
Fourth Official: Víctor Carrillo (PER)
FIFA Referee Assessor: Lee Harmon (CKI)
Blog Observer: Edward A. (GRE)
Group F, 23 June 2013, 20:00 CET
Uruguay - CroatiaReferee: Néant Alioum (CMR)
Assistant Referee 1: Evarist Menkouande (CMR)
Assistant Referee 2: Peter Edibe (NGA)
Fourth Official: Alireza Faghani (IRN)
FIFA Referee Assessor: Michal Listkiewicz (POL)
Blog Observer: Niclas E. (GER)