The 2026 New Zealand rugby union tour of South Africa (Afrikaans: 2026 Nieu-Seelandse rugby-unietoer van Suid-Afrika), promoted as Rugby's Greatest Rivalry (Afrikaans: Rugby se Grootste Wedywering), is a current international rugby union tour that is taking place in South Africa between August and September 2026. The tour was confirmed in October 2025, and meant a restructuring of the Rugby Championship, the annual Southern Hemisphere men's rugby union competition organised by SANZAAR, which fea...