Elsewhere at the Stade Mustapha Ben Jannet, hosts US Monastir scored two first half goals to see off Tanzania’s Young Africans 2-0.
The victory sees them sit second in Group D behind TP Mazembe who earlier on saw off Real Bamako 3-1.
Mohamed Saghraoui and new signing Boubacar Traore notched the goals with a pair of headers from setpieces in the opening 45 minutes to hand the hosts the victory.
They broke the deadlock after 10 minutes when Saghraoui found space to head home from a Haykeul Chikhaoui freekick. Monastir were looking dangerous on setpieces and Yanga keeper Djigui Diarra made two good saves consecutively to deny Youssef Oumarou who had headed in from a Hichem Baccar long throw.
But the home side scored a second on the quarter hour mark when Traore thumped home a header unmarked from a Chikhaoui delivery from a corner.
Yanga had been disoriented but they soon found their footing and had a sniff at goal in the 33rd minute when Stephen Aziz Ki volleyed on target from a Jesus Moloko knockdown but the ball rolled easily into the keeper’s arms.
In the second half, Yanga were more composed and had more chances, dangerman Fiston Mayele seeing his shot from the near post saved by the keeper, before Aziz Ki had a well curled freekick put out by the shot stopper.
Despite added efforts, Yanga could not get themselves back in contention.
In another match, Egyptian debutants Future FC came from a goal down to hold AS Kara of Togo to a 1-1 draw. Mohamed Farouk scored the leveler for the Egyptians nine minutes to time, cancelling out Kangnivi Ama Tchoutchoui’s brilliant volleyed first half goal for the hosts.
The Ivorian club ASEC Mimosas failed to beat visitors Motema Pembe of DR Congo, who managed to withstand the pressure from the home side to hold them to a goalless draw.
Credit: CAF Media