Botswana went six points clear at the top of Africa Cup of Nations qualifying Group K with a 1-0 home win over Tunisia.

Jerome Ramatlhakwane was the match-winner, netting in the 33rd minute after a handling error by the visiting goalkeeper Aymen Mathlouthi.

In the group's other match Togo and Chad fought out a goalless draw, increasing Tunisia's chances of going through in second.