Johannesburg - South African number one-nominated Davis Cup tennis player Dean O'Brien will take on Karen Khachanov in the Euro/Africa Davis Cup relegation play-off tie against Russia on Friday.
But this weekend, O'Brien will form a key part of the South African line-up and will get South Africa's weekend campaign underway.
South Africa: Dean O'Brien, Raven Klaasen, Tucker Vorster, Japie De Klerk. Captain: John-Laffnie de Jager. Russia: Alex Bogomolov Jr, Karen Kachanov, Andrey Kuznetsov, Konstantin Kravchuk. Captain: Shamil Tarpischev.