U20: Refs for Semis
The referees for the semifinals are Mike Adamson of Scotland and Frank Murphy of Ireland.
All of the six matches will be played in Tbilisi.
Round 4 Appointments
Ireland vs Samoa at Avchala Stadium
Referee: Tom Foley (England)
Assistant referees: Pali De Luca (Argentina), Tasuku Kawahara (Japan)
Television match official: Charles Samson (Scotland)
Australia vs Italy at Avchala Stadium
Referee: Dan Jones (Wales)
Assistant referees: Jamie Nutbrown (New Zealand), Nika Amashukeli (Georgia)
Television match official: Johan Greeff (South Africa)
Scotland vs Wales at Avchala Stadium
Referee: Pierre Brousset (France)
Assistant Referees: Pali De Luca (Argentina), Tasuku Kawahara (Japan)
Television match official: Johan Greeff (South Africa)
Argentina vs Georgia at Mikheil Meskhi Stadium, Tbilisi
Referee: Jaco van Heerden (South Africa)
Assistant referees: Christophe Ridley (England), Andrea Piardi (Italy)
Television match official: Jon Mason (Wales)
England vs South Africa at Mikheil Meskhi
Referee: Frank Murphy (Ireland)
Assistant referees: Andrea Piardi (Italy), Shota Tevzadze (Georgia)
Television match official: Jon Mason (Wales)
New Zealand vs France at Mikheil Meskhi
Referee: Mike Adamson (South Africa)
Assistant referees: Nic Berry (Australia), Christophe Ridley (England)
Television match official: Charles Samson (Scotland)