Berekum Chelsea halt Ahly winning run
Jordan Opoku celebrating his equalizer for Chelsea
The debutants came from a goal down to earn a point after Ivorian striker Oussou Konan Anicet had put the Red Devils ahead in the first half.
Midfielder Jordan Opoku snatched the leveller after 52 minutes when he controlled a flick on inside the box with his chest before shooting past the Ahly goalkeeper.
Chelsea could have made doubled their lead minutes later but striker Bismark Idan failed to connect direct Clottey's pass across the face of goal.
His connection went wide much to the disbelief of the few fans inside the Accra Sports Stadium.
Stand-in captain Owusu Jackson's free kick rattles the cross bar and the Ahly defence cleared out.
Chelsea coach Hans van der Pluijm altered the starting line-up that lost 4-1 in the first leg tie a fortnight ago at the Cairo Military Stadium.
Defender Samuel Kyere took the place of the suspended Emmanuel Agyemang and Alfred Arthur replaced Richard Kissi-Boateng.
Gladson Awako was benched and there was a starting place for Bismark Idan and Awudu Moro.
Chelsea were given some form of concern in the opening minutes of the game when the slippery Solomon Asante crashed into Jordan Opoku after trying to rob the ball off an Ahly player.
Mohammed Abutreka announced his presence in the game with a flashing drive across Abubakari Iddrisu's goal on the 5th minute mark.
Waleed Soliman had the best chance of the half on the quarter of an hour mark after going past two Chelsea defenders.
The Egypt international waited too long for Ahmed Adams to clear the danger.
While both sides were trying to establish a clear dominance in the game, the Cairo giants were struggling to bring the sloppy Solomon Asante under control.
Asante outwitted two men on the right and was readying to play through Bismark Idan when he was fouled.
He produced yet another artistry on the right flank and made lightworks of two defenders before delivering a defence-splitting pass to Idan.
Ahly got the opener through Ivorian marksman Oussou Konan who connected home a Mohammed Abutreka effort which came off the left post just two minutes from the break.
Chelsea returned from the break revitalised and dictated the pace of the game.Jordan Opoku eluded the Ahli defence and popped up in the box to fire home the equaliser in the 52nd minute.
Alfred Arthur tested the agility of the Ahli goalkeeper with a with a piledriver from 20-yards on the 76th minute mark.
Owusu Jackson was unlucky to to find his curling free-kick from the edge of the box cannoned off the woodwork on 82nd minutes.
Chelsea huffed and puffed to snatch the much-needed winner but Ahly stood firm.