Referees to 1 May 2016
In England's Championship there is the first round of semifinals. There is a second round which ensures that the four teams play each other.
For Sindile Ngcese it is his first taste of international rugby as he slips over the Lesotho border into Maseru.
Shaheen (royal falcon) is a new name for some. It is a development side made up entirely of local Emirati from the United Arab Emirates.
International
European Nations Cup
Division 1B
Netherlands vs Poland in Amsterdam
Referee: Frank Himmer (Germany)
Assistant referees: Patrick Freyburg (Germany), Killian O'Brien (Germany)
Ukraine vs Sweden in Kyiv
Referee: Paulo Duarte (Portugal)
Division 2C
Denmark vs Luxembourg in Odense
Referee: George Mossford (Finland)
Division 2D
Turkey vs Norway in Antalya
Referee: Dan Maughen (Germany)
South American Championship, Division A
Paraguay vs Uruguay in Asunción
Referee: Henrique Platais (Brazil)
Assistant referees: Diego Colussi (Argentina), Mauricio Escalante (Argentina)
Brazil vs Chile
Referee: Alejandro Longres (Uruguay)
Assistant referees: Claudio Cattivelli (Uruguay), Victor Silvero (Paraguay)
Assessor: Marcelo Toscano (Argentina)
Asia Rugby Championship, Top 3
Japan vs Korea
Referee: Patrick Kwok Tsz Kin (Hong Kong)
Assistant referees: Matthew Rodden (Hong Kong), Rob Patton (Hong Kong)
Assessor: Taizo Hirabayashi (Japan)
Asia Rugby Championship, Division 3 West
Jordan vs Shaheen
Jordan vs Saudi Arabia
Friendly
Lesotho vs Botswana at Bambatha Tsita Sports Arena, Maseru
Referee: Sindile Ngcese (South Africa)
Assistant referees: Rodney Boneparte (South Africa), Siyanda Ketse (South Africa)
Women
Asia Rugby Championship, Top 3
Japan vs Kazakhstan
Under-20
World Rugby Under-20 Trophy
It is being played in Harare, Zimbabwe.
Fiji vs Zimbabwe
Referee: Ricardo Sant'anna (Brazil)
Namibia vs Hong Kong
Referee: Fa'avae Neru (Samoa)
Samoa vs Uruguay
Referee: Pali Deluca (Argentina)
Spain vs USA
Referee: Tim Baker (Hong Kong)
Final Round
Uruguay vs USA
Referee: Ricardo Sant'anna (Brazil)
Fiji vs Namibia
Referee: Pablo Deluca (Argentina)
Zimbabwe vs Hong Kong
Referee: Kurt Weaver (USA)
Samoa vs Spain
Referee: Tim Baker (Hong Kong)
Pro 12
Munster vs Edinburgh at Irish Independent Park
Referee: Ian Davies (Wales)
Assistant referees: Nigel Correll (Ireland), Paul Haycock (Ireland)
Television match official: Brian MacNeice (Ireland)
Benetton Treviso vs Connacht at Stadio Monigo
Referee: Peter Fitzgibbon (Ireland)
Assistant referees: Claudio Blessano (Italy), Stefano Bolzonella (Italy)
Television match official: Alan Falzone (Italy)
Assessor: Gabriele Villari (Italy)
Glasgow Warriors vs Zebre at Scotstoun Stadium
Referee: Andy Brace (Ireland)
Assistant referees: Graeme Wells (Scotland), Bob Nevins (Scotland)
Timekeeper: John McLaughlin (Scotland)
Ulster vs Leinster at Kingspan Stadium
Referee: George Clancy (Ireland)
Assistant referees: Sean Gallagher (Ireland), Leo Colgan (Ireland)
Television match official: Seamus Flannery (Ireland)
Assessor: John Sheehan (Ireland)
Cardiff Blues vs Ospreys at Principality Stadium
Referee: Nigel Owens (Wales)
Assistant referees: Leighton Hodges (Wales), Martyn Lewis (Wales)
Television match official: Jon Mason (Wales)
Assessor: Clayton Thomas
Newport Gwent Dragons vs Scarlets at Principality Stadium
Referee: Ben Whitehouse (Wales)
Assistant referees: Gwyn Morris (Wales), Wayne Davies (Wales)
Television match official: Gareth Simmonds (Wales)
Assessor: Robert G Davies (Wales)
Super Rugby
Chiefs vs Sharks at Yarrow Stadium, New Pymouth
Referee: Chris Pollock (New Zealand)
Assistant referees: Jamie Nutbrown (New Zealand), Angus Mabey (New Zealand)
Television match official: Glenn Newman (New Zealand)
Force vs Bulls at nib Stadium, Perth
Referee: Jaco van Heerden (South Africa)
Assistant referees: Rohan Hoffman (Australia), Damien Mitchelmore (Australia)
Television match official: Ian Smith (Australia)
Blues vs Rebels at Eden Park, Auckland
Referee: Craig Joubert (South Africa)
Assistant referees: Glen Jackson (New Zealand), Brett Johnson (New Zealand)
Television match official: Ben Skeen (New Zealand)
Highlanders vs Brumbies at Rugby Park, Invercargill
Referee: Nick Briant (New Zealand)
Assistant referees: Brendon Pickerill (New Zealand), Kane McBride (New Zealand)
Television match official: Aaron Paterson (New Zealand)
Reds vs Cheetahs at Suncorp Stadium, Brisbane
Referee: Ben O'Keeffe (New Zealand)
Assistant referees: Will Houston (Australia), Nic Berry (Australia)
Television match official: George Ayoub (Australia)
Lions vs Hurricanes at Ellis Park, Johannesburg
Referee: Marius van der Westhuizen (South Africa)
Assistant referees: Jaco Peyper (South Africa), Ben Crouse (South Africa)
Television match official: Johan Greeff (South Africa)
Stormers vs Waratahs at Newlands
Referee: Mike Fraser (New Zealand)
Assistant referees: Paul Williams (New Zealand), Rasta Rasivhenge (South Africa)
Television match official: Shaun Veldsman (South Africa)
Jaguares vs Kings at Vélez Sarsfield, Buenos Aires
Referee: Stuart Berry (South Africa)
Assistant referees: Federico Anselmi (Argentina), Juan Sylvestre (Argentina)
Television match official: Santiago Borsani (Argentina)
Domestic
England
Premiership
Sale Sharks vs Gloucester
Referee: Thomas Foley
Assistant referees: Ross Campbell, Simon McConnell
Television match official: Stuart Terheege
Timekeeper: Anthony Turner
Assessor: Nigel Yates
Leicester Tigers vs Worcester Warriors
Referee: Gregory Garner
Assistant referees: Jonathan Healy, Kevin Stewart
Television match official: David Rose
Timekeeper: Eric Bullion
Assessor: Rowly Williams
Northampton Saints vs Bath
Referee: Wayne Barnes
Assistant referees: Paul Burton, Nigel Carrick
Television match official: Sean Davey
Timekeeper: Paul Stanley
Assessor: Andrew Vertigan
Exeter Chiefs vs London Wasps
Referee: Matthew Carley
Assistant referees: Paul Dix, Ashley Rowden
Television match official: Graham Hughes
Timekeeper: Laurie Bryant
Assessor: Brian Campsall
Saracens vs Newcastle Falcons
Referee: Ian Tempest
Assistant referees: Phil Watters, Roy Maybank
Television match official: David Grashoff
Timekeeper: Roy Marfleet
Assessor: Martin Fox
Coach: Peter Huckle
London Irish vs Harlequins
Referee: John-Paul Doyle
Assistant referees: Robin Goodliffe, Andrew Pearce
Television match official: Keith Lewis
Timekeeper: John Burtenshaw
Assessor: Gary Welsh
Championship Semifinals
Yorkshire Carnegie vs Doncaster Knights at Headingley
Referee: Craig Maxwell-Keys
Assistant referees: John Meredith, Clare Daniels
Assessor: Nigel Yates
Bedford Blues vs Bristol at Goldington Road, Bedford
Referee: Luke Pearce
Assistant referees: Andrew Jackson, Wayne Falla
Television match official: Rowan Kitt
Assessor: Stephen Leyshon
Interforces
Army vs Royal Navy
Referee: Andrew Small
Assistant referees: Andy Watson, Gareth Copsey
Television match official: David Sainsbury
Timekeeper: Robert Ockenden
France
Top 14, Round 22
Racing 92 vs Clermont at Stade Yves Du Manoir
Referee: Salem Attalah
Assistant referees: Tual Trainini, Jean Luc Rebollal
Television match official: Hervé Dubes
Toulon vs Toulouse at Allianz Riviera
Referee: Jérôme Garcès
Assistant referees: Laurent Millotte, Thierry Guilloton
Television match official: Gilles Cogne
Montpellier vs Grenoble at Altrad Stadium
Referee: Cédric Marchat
Assistant referees: Thomas Charabas, Patrick Beuriot
Television match official: Vincent Azoulay
Oyonnax vs La Rochelle at Stade Charles Mathon
Referee: Maxime Chalon
Assistant referees: Christophe Mallet, Thomas Déjean
Television match official: Philippe Bonhoure
Agen vs Brive at Stade Armandie
Referee: Mathieu Raynal
Assistant referees: Pierre Brousset, Christophe Malterre
Television match official: Gérard Borreani
Castres vs Pau at Stade Jean Pierre Antoine
Referee: Adrien Descottes
Assistant referees: Cédric Clave, Jacques De Lemos
Television match official: Eric Gauzins
Bordeaux-Begles vs Stade Français at Matmut Atlantique
Referee: Laurent Cardona
Assistant referees: Nicolas Datas, Eric Soulan
Television match official: Daniel Irazoqui
Pro D2, Round 27
Colomiers vs Lyon at Stade Michel Bendichou
Referee: Christophe Mallet
Assistant referees: Didier Mastoumecq, Benoît Escoubet
Goal judges: Christian Castello, Bernard Lagardère
Narbonne vs Bayonne at Parc Des Sports et de l'Amitie
Referee: Pierre Brousset
Assistant referees: Arnaud Blondel, Sylvain Jaymes
Goal judges: Frédéric Cambou, Stéphane Ducasse
Aurillac vs Bourgoin at Stade Jean Alric
Referee: Mathieu Noirot
Assistant referees: Sylvain Desvaux, Fabrice Hand
Goal judges: Bruno Gaudefrin, Stéphane Thelamon
Biarritz vs Provence at Parc Des Sports Aguilera
Referee: Vincent Blasco Baque
Assistant referees: Rémy Chastrusse, Philippe Milani
Goal judges: Christian Gregoire, Richard Nocart
Béziers vs Dax at Stade De La Méditérranée
Referee: Cédric Clave
Assistant referees: Paul Henri Courbier, Fabien Soucaret
Goal judges: Charles Bonfanti, Philippe Lecomte
Mont-de-Marsan vs Carcassonne at Stade Municipal Guy Boniface
Referee: Christine Hanizet
Assistant referees: Guillaume Trieux, Franck Rataj
Goal judges: Eric Armengaud, Vincent Lacaille
Tarbes vs Montauban at Stade Maurice Trelut
Referee: Luc Ramos
Assistant referees: Hervé Lasausa Lespy Labaylette, Baptiste Abel Coindoz
Goal judges: Jean François Favori , Serge Keromnes
Perpignan vs Albi at Stade Aime Giral
Referee: Jonathan Dufort
Assistant referees: Jaouad Marboh, Alexandre Vallon
Goal judges: Christophe Gaillardon, Veyssiere Didier
Ireland
Ulster Bank League
Ballynahinch vs Dublin University
Referee: Gary Conway
Assistant referees: Jonathan Peak, Stuart Douglas
Bateman Cup Final
Galwegians vs Cork Constitution at Crowley Park, Glenina, Galway
Referee: Dudley Phillips
Assistant referees: Nigel Correll, Helen O'Reilly
Italy
Eccellenza, Giornata 17
Femi-CZ Rovigo vs Calvisano
Marchiol Mogliano vs Sitav Lyons Piacenza
Fiamme Oro Roma vs Lafert San Donà
L'Aquila vs IMA Lazio
Viadana 1970 vs Petrarca Padova
Portugal
Divisão de Honra Semifinals
Direito vs Cascais
CDUL vs AEIS Técnico
South Africa
Currie Cup
Boland Cavaliers vs Griquas at Boland Cavaliers Stadium, Wellington
Referee: Cwengile Jadezweni
Assistant referees: Local
Television match official: Shaun Veldsman Shaun (Joey Klaaste-Salmans - in training)
Assessor: Kim Smit
Western Province vs Golden Lions at Newlands
Referee: Rasta Rasivhenge
Assistant referees: Local
Television match official: Shaun Veldsman
Assessor: Thuso Mngqibisa
Border vs Pumas at Buffalo City Municipal Stadium, East London
Referee: Francois Pretorius
Assistant referees: Local
Assessor: Dennis Immelman
Welwitschias vs EP Kings at Hage Geingob Stadium, Windhoek
Referee: Pro Legoete
Assistant referees: Local
Spain
División de Honor
FC Barcelona vs VRAC Quesos Entrepinares
Referee: Joaquín Santoro
Bathco vs Bizkaia Gernika
Referee: Luis Santos
Hernani vs Complutense Cisneros
Referee: Marc Riera
Pozuelo vs Ampo Ordizia
Referee: Fernando Raposo
Getxo Artea vs Alcobendas
Referee: Félix Villegas
El Salvador vs UE Santboiana
Referee: Iñigo Atorrasagasti
United States
PRO Rugby
Ohio vs San Francisco at Ohio
Referee: Derek Summers
Assistant referees: Scott Green, Jamie Miller
Assessor: Rob Debney
San Diego vs Denver at San Diego
Referee: Nick Ricono
Assistant referees: Leah Berard, Marc Nelson
Assessor: Richard Every
Pacific Rugby Premiership
Belmont Shore vs Glendale Raptors at Los Angeles
Referee: Leah Berard
Assistant referees: Local
Assessor: Roy Monk
San Francisco Golden Gate vs OMBAC at San Francisco
Referee: Phil Akroyd
Assistant referees: Local
Santa Monica vs Denver Barbarians at Los Angeles
Referee: Gavin McCandless
Assistant referees: Local
American Rugby Premiership
Boston Irish vs Boston at Boston
Referee: Cisco Lopez
Assistant referees: Local
Assessor: Peter Watson
NYAC vs Mystic River at New York
Referee: Haylee Slaughter
Assistant referees: Local
Assessor: Calum Pender
OBNY vs Life at New York
Referee: Shawn Bastic
Assistant referees: Local
Wales
Premiership
Neath vs Cross Keys
Referee: Rob Price
Assistant referees: Gareth John, Mike Davies
Ebbw Vale vs Aberavon
Referee: Ian Davies
Assistant referees: Richard Brace, Steve Nash
Pontypridd vs Bedwas
Referee: Craig Evans
Assistant referees: Jason Bessant, Gerwyn Taylor
Cardiff vs Llandovery
Referee: Dan Jones
Assistant referees: Stuart Kibble, Jon Hardy
Bridgend vs Carmarthen
Referee: Simon Rees
Assistant referees: Greg Morgan, Morgan Whitehead
Newport vs Llanelli
Referee: Aled Evans
Assistant referees: Tom Spurrier, Brian Powell