2026
Chief Judge: Michael Butterfield IJ IRO IU (GBR)
PRO: Peter Saxton RJ IRO (GBR)
Chief Judge: Mats Skoting NJ (SWE)
PRO: Niclas Bjällhage CRO RRO (SWE)
Chief Judge: Derek Moynan NM NJ CRO UIT (IRL)
PRO: Michael Tyrrell NJ IRO RU (IRL)
Chief Judge: Terence Koh JIT (SIN)
CRO: Andrea Gatta NRO (ITA)
Chief Judge: Robin Meads NJ (GBR)
PRO: Michael Currie NRO (GBR)
CRO: Bob Penfold RRO (GBR)
CRO: Anthony Jaffa RRO (GBR)
Chief Judge: Stavros Kouris IJ NU (GRE)
PRO: Bruno De Wannemaeker IM IJ IRO (BEL)
CRO: Hendra Nur NRO (INA)
Chief Umpire: Anusorn Ngamrit NJ NRO (THA)
PRO: Sittipon Wisaka NRO (THA)
— no officials indicated —
Chief Judge: Kai Masuda IJ (JPN)
Chief Judge: Hideaki Saito FM NJ NRO (JPN)
PRO: Masaru Watanabe NJ NRO (JPN)
Chief Judge: Andrew Alberti IJ NU (CAN)
PRO: Tom Clarke IRO (BER)
Chief Judge: Wendy Loat NJ (CAN)
CRO: Paul Brennan CJ IRO RML (CAN)
Chief Judge: Tony Lu IJ IRO (CHN)
PRO: Shinichi Uchida FM NJ IRO (JPN)
CRO: ChangHo Shin NC C2 NRO (KOR)
Chief Judge: Pablo Macias IJ RRO NU (ESP)
Chief Umpire: Luigi Bertini C3 IJ RRO IU (ITA)
Chief Judge: Dragomir Andonović IJ (SRB)
PRO: Drazen Zdelarec MIT NJ IRO NU (CRO)
Chief Judge: Michal Zak IJ NRO NU (CZE)
PRO: Jiri Smrcka NRO (CZE)
CRO: Petr Prikryl JIT NRO (CZE)
CRO: Ivan Žák NU (CZE)
Chief Judge: Rick Hatch IJ NU (CAN)
Chief Umpire: K Hawkins NJ IJ NU IU (USA)
PRO: Don Martin IJ (CAN)
CRO: Brendan Trainor RRO (CAN)
Chief Judge: Yoann Peronneau IJ IU (FRA)
CRO: Michal Jodlowski IJ IRO IU (POL)