The Cairo giants, parading a depleted squad without as many as seven key players returned to their base unscathed and with a point in their bag.
A game that witnessed rare chances from both sides saw Stade Malien goalie, Djigui Diarra coming off his area to deny Amr Gamal whilst Ahly left back Sabry Raheel shot wide before the break.
Ahly have four points, two adrift of leaders Etoile du Sahel who beat rivals Esperance 1-0 in an-all Tunisian affair on Saturday in Rades.
Defender Ammar Jemal headed in the only goal five minutes after the break, to ensure the narrow victory for the visitors who played the remaining hour with a man-less after Brazilian forward, Diego Acosta was sent off for a retaliatory action on Esperance midfielder, Houcine Ragued.
Egyptian giants, Zamalek assumed top spot of Group B after silencing Orlando Pirates 2-1 on Saturday at the Mbombela Stadium in Nelspruit.
Substitute Mustapha Fathi was the hero scoring the winner seven minutes from time as the Cairo-based side came from behind to snatch the maximum points at the expense of their hosts.
Striker Lehlohonolo Majoro earlier shot the Buccaneers into the lead on 68 minutes with virtually his first touch after replacing Kermit Erasmus before Nigerian Maroof Yusuf leveled for the visitors four minutes later.
Three-time winners CS Sfaxien came from behind to hold AC Leopards of Congo 1-1 in other Group B match in Sfax.
Captain Ali Maaloul canceled Cesair Gandze’s first half opener to earn the three-time winners their first point of the campaign.
Zamalek have six points, Orlando Pirates trail on three points with Leopards and Sfaxien in that order with a point each.
11/07/2015 Esperance (Tunisia) 0-1 Etoile du Sahel (Tunisia)
12/07/2015 Stade Malien (Mali) 0-0 Al Ahly (Egypt)
10/07/2015 CS Sfaxien (Tunisia) 1-1 AC Leopards (Congo)
11/07/2015 Orlando Pirates (South Africa) 1-2 Zamalek