France v Wales
Stade de France, Saint-Denis
Friday, 31 January, 2025		 Referee: Paul Williams (NZR)
Assistant Referee 1: Chris Busby (IRFU)
Assistant Referee 2: Jordan Way (RA)
TMO: Brett Cronan (RA)
FPRO: Damon Murphy (RA)
Scotland v Italy
Murrayfield, Edinburgh
Saturday, 1 February, 2025		 Referee: Karl Dickson (RFU)
Assistant Referee 1: Luke Pearce (RFU)
Assistant Referee 2: Damian Schneider (UAR)
TMO: Marius Jonker (SARU)
FPRO: Marius van der Westhuizen (SARU)
Ireland v England
Aviva Stadium, Dublin
Saturday, 1 February, 2025		 Referee: Ben O'Keeffe (NZR)
Assistant Referee 1: James Doleman (NZR)
Assistant Referee 2: Hollie Davidson (SRU)
TMO: Glenn Newman (NZR)
FPRO: Richard Kelly (NZR)
Italy v Wales
Stadio Olimpico, Rome
Saturday, 8 February, 2025		 Referee: Matthew Carley (RFU)
Assistant Referee 1: Paul Williams (NZR)
Assistant Referee 2: Sam Grove-White (Scotland)
TMO: Eric Gauzins (FFR)
FPRO: Glenn Newman (NZR)
England v France
Allianz Stadium, Twickenham
Saturday, 8 February, 2025		 Referee: Nika Amashukeli (GRU)
Assistant Referee 1: Andrea Piardi (FIR)
Assistant Referee 2: Damian Schneider (UAR)
TMO: Marius van der Westhuizen (SARU)
FPRO: Marius Jonker (SARU)
Scotland v Ireland
Murrayfield, Edinburgh
Sunday, 9 February, 2025		 Referee: James Doleman (NZR)
Assistant Referee 1: Ben O'Keeffe (NZR)
Assistant Referee 2: Pierre Brousset (FFR)
TMO: Richard Kelly (NZR)
FPRO: Andrew Jackson (RFU)
Wales v Ireland 
Principality Stadium, Cardiff
Saturday, 22 February, 2025		 Referee: Christophe Ridley (RFU)
Assistant Referee 1: Nika Amashukeli (GRU)
Assistant Referee 2: Gianluca Gnecchi (FIR)
TMO: Ian Tempest (RFU)
FPRO: Matteo Liperini (FIR)
England v Scotland
Allianz Stadium, Twickenham
Saturday, 22 February, 2025		 Referee: Pierre Brousset (FFR)
Assistant Referee 1: Andrew Brace (IRFU)
Assistant Referee 2: Luc Ramos (FFR)
TMO: Tual Trainini (FFR)
FPRO: Quinton Immelman (SARU)
Italy v France 
Stadio Olimpico, Rome
Sunday, 23 February, 2025		 Referee: Karl Dickson (RFU)
Assistant Referee 1: Chris Busby (IRFU)
Assistant Referee 2: Craig Evans (WRU)
TMO: Ben Whitehouse (WRU)
FPRO: Mike Adamson (SRU)

Ireland v France
Aviva Stadium, Dublin
Saturday, 8 March, 2025

 Referee: Angus Gardner (RA)
Assistant Referee 1: Matthew Carley (RFU)
Assistant Referee 2: Christophe Ridley (RFU)
TMO: Ian Tempest (RFU)
FPRO: Andrew Jackson (RFU)

Scotland v Wales
Murrayfield, Edinburgh
Saturday, 8 March, 2025

 Referee: Andrea Piardi (FIR)
Assistant Referee 1: Nic Berry (RA)
Assistant Referee 2: Gianluca Gnecchi (FIR)
TMO: Eric Gauzins (FFR)
FPRO: Tual Trainini (FFR)

England v Italy
Allianz Stadium, Twickenham
Sunday, 9 March, 2025

 Referee: Andrew Brace (IRFU)
Assistant Referee 1: Craig Evans (WRU)
Assistant Referee 2: Luc Ramos (FFR)
TMO: Marius Jonker (SARU)
FPRO: Mike Adamson (SRU)

Italy v Ireland
Stadio Olimpico, Rome
Saturday, 15 March, 2025

 Referee: Luke Pearce (RFU)
Assistant Referee 1: Angus Gardner (RA)
Assistant Referee 2: Morné Ferreira (SARU)
TMO: Andrew Jackson (RFU) 
FPRO: Tual Trainini (FFR)

Wales v England
Principality Stadium, Cardiff
Saturday, 15 March, 2025

 Referee: Nic Berry (RA)
Assistant Referee 1: Nika Amashukeli (GRU)
Assistant Referee 2: Hollie Davidson (SRU)
TMO: Mike Adamson (SRU)
FPRO: Eric Gauzins (FFR)

France v Scotland
Stade de France, Saint-Denis
Saturday, 15 March, 2025

 Referee: Matthew Carley (RFU)
Assistant Referee 1: Karl Dickson (RFU)
Assistant Referee 2: Eoghan Cross (IRFU)
TMO: Marius van der Westhuizen (SARU)
FPRO: Ian Tempest (RFU)