 Despite having played 90 minutes for SuperSport just three days earlier, Nkausu was part of the Zambian squad that travelled to Seoul on 13 August 2012 for a friendly against South Korea, a match that also acted as a warm-up game for a 2013 African Cup of Nations qualifier against Uganda in September.One of only six 2012 ACON-winning players in the squad for the friendly, Nkausu started the game against South Korea on the bench but replaced fellow full-back Joseph Musonda just 28 minutes into the match.Nkausu played the entirety of Zambia's 1–0 first-leg victory over Uganda on 8 September 2012, assisting Christopher Katongo's winning goal with a long throw-in.