England in South Africa 2020

CSA said the latest round of tests conducted on Thursday resulted in an unnamed South African player returning a positive result

The 33-year-old had displaced Pakistan captain Babar Azam from the number one spot in September

The left-handed Malan made 55 off 40 balls to anchor a tricky chase. England reached a target of 147 with four wickets and one ball to spare

Bairstow thrashed 86 not out off 48 balls as England chased down a victory target of 180 with four balls to spare

Nearly 50 tests were conducted before players and support staff entered their bio-secure base in Cape Town

The inexperienced Stuurman, 28, has only played a handful of limited-overs matches at senior franchise level

The three players were all included in the squad for the three Twenty20s, which start later this month