Japan-based striker Michael Olunga sent the mammoth crowd to wild jubilation on 23 minutes with a silky left foot curler that sailed into the far post
after one two passes with Eric Johanna, who doubled the lead five minutes later.
The chance seemed to give Carl Jarrett's side a boost and they went close to grabbing a deserved equaliser when Spennymoor Town loanee Kevin Hayes dragged a shot wide of the far post
after evading his marker on the right-hand side.
Al Gharafa's joy didn't last for long as Al Ahli responded instantly in similar fashion after Saeed al-Muwallad crossed for Moamen Zakaria, who headed home at the far post
two minutes later.
A high ball towards the far post
caught out the defence and ex-Airdrie striker Ryan Donnelly showed composure to simply slot under Hay.
Nixon dived full-length but nothing could stop the ball nestling inside his far post
The two sides swapped early chances, Craig Westcarr rolling a shot past the far post
for the hosts in the opening minute.
But they were pegged back just before the interval when Lee Brown made progress down the Rovers left and crossed deep to the far post
where Ellis Harrison rose to send a powerful header past Jak Alnwick.
Substitute Jese added the Spanish team's second four minutes from full-time with a solo run into the box and shot across the face of goal and inside the far post
Bay never really threatened the home defence but Bradley Bauress had a chance at the far post
before firing high and wide of the target.
Bolton substitute Callum Spooner's intended cross from the right touchline dipped over Bay keeper Chris Sanna and dropped just inside the far post
to the give the visitors victory.
64: Thompson's header from McCourt corner grazes the far post
. 69: Referee ignores penalty claims when Nouble is tugged back by Hollis as he challenges for Ward free-kick.
27 mins: Grant Leadbitter plays a one-two from a corner on the right with Lee Tomlin then drives for the line and sends over an in-swinging cross which hits the far post
and bounces off Michael Mancienne before crossing the line.