Zambia edged past visitors Rwanda with a 1-0 win in Group C of the 2010 World Cup and African Cup of Nations qualifier.
Rainford Kalaba scored the only goal of the game in the 79th minute.
The victory takes Zambia to four points, after they drew 1-1 with Egypt in the opening game of the final round of qualifiers.
Rwanda remain on just a single point from their two games.
Algeria play host to six-time African champions Egypt on the other Group C match on Sunday.
