07:45Test Match Special17/01/2010BBC Radio 5 Sports Extra Duration: 8 hours, 30 minutes Sun 17th Jan 2010, 07:45 on BBC Radio 5 Sports ExtraUninterrupted commentary on the fourth day of the fourth Test between South Africa and England. Live from the Wanderers, Johannesburg.GenresSportCricketBrandTest Match Special Source: BBC Online