The Rugby championship (Four Nations) will have a shortened format in 2023. The tournament, which brings together the countries of the Southern Hemisphere (South Africa, New Zealand, Australia, and Argentina) will be impacted by the Rugby World Cup (September 8, October 28). Thus, the Rugby championshp will be held in July and August. Note that Argentina and New Zealand will not play each other this year.
The calendar of the Rugby championship
July 8th :
South Africa - Australia
Argentina - New Zealand
July 15th
New Zealand - South Africa
Australia - Argentina
July 29
Australia - New Zealand
South Africa - Argentina
August 5
New Zealand - Australia
Argentina - South Africa