Match officials to June 3

Crusaders v Highlanders: Walsh

It's business as usual in the Southern Hemisphere, while up north the Top 14 gears up for this weekend's semi-finals.

Having bounced back from their big defeat to England with a win over Ireland,

the Barbarians are also in action again when they take on Wales.

Friendlies:

Wales v Barbarians at Millennium Stadium, Cardiff
Referee: Alain Rolland (Ireland)
Assistant referees: tba (Ireland)
Television match official: tbs (Wales)

Super Rugby, Week 15

Crusaders v Highlanders in Christchurch
Referee: Steve Walsh (Australia)
Assistant referees: Mike Fraser (New Zealand), Kane McBride (New Zealand)
Television match official: Vinny Munro (New Zealand)

Rebels v Brumbies in Melbourne
Referee: Keith Brown (New Zealand)
Assistant referees: Ian Smith (Australia), Simon Moore (Australia)
Television match official: Steve Lesczcynski (Australia)

Blues v Chiefs in Auckland
Referee: Chris Pollock (New Zealand)
Assistant referees: Mike Fraser (New Zealand), Nick Briant (New Zealand)
Television match official: Ben Skeen

Waratahs v Hurricanes in Sydney
Referee: Bryce Lawrence (New Zealand)
Assistant referees: Julian Pritchard (Australia), Ed Martin (Australia)
Television match official: Matt Goddard (Australia)

Lions v Sharks in Johannesburg
Referee: Garratt Williamson (New Zealand)
Assistant referees: Jason Jaftha (South Africa), Stefan Breytenbach (South Africa)
Television match official: Gerrie Coetzee (South Africa)

Bulls v Stormers in Pretoria
Referee: Jonathan Kaplan (South Africa)
Assistant referees: Mark Lawrence (South Africa), Cobus Wessels (South Africa)
Television match official: Shaun Veldsman (South Africa)

Top 14 semi-finals

Toulouse v Castres at Stadium de Toulouse
Referee: Jérôme Garces

Clermont v Toulon at Stadium de Toulouse
Referee: Pascal Gauzere