Adama Traore from Mali scored the opener in the 18 minute with his left foot, but just two minutes after the interval Matsatsantsa drew level for the South African giants.
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Adjei restored the lead for the Ravens in the 67th minute when he shot from the edge of the area having beaten Williams, with the goalkeeper unable to contend with the bounce off the artificial pitch.
The reverse fixture will take place at the Lucas Moripe Stadium in Atteridgeville next Saturday, 25 November.