The UAE went down 2-0 to Australia this week and Iraq lost by the same scoreline to South Korea, as their dreams of Asian Cup glory were shattered in the semi-finals.
Both teams must now pick themselves up for an unwanted third-place play-off in Newcastle, although Mabkhout has more motivation than most.
Deeply in tune with playmaker Omar Abdulrahman, the striker has already grabbed four goals, placing him joint top of the scoring charts alongside Jordan's Hamza Aldaradreh.
Among his strikes are the fastest goal in Asian Cup history -- after just 14 seconds against Bahrain -- and the volley that put UAE 1-0 up against Japan before they shocked the holders on penalties.
Another goal against 2007 champions Iraq would take the Al Jazira marksman clear on the scorers' list and help him towards his aim of securing a big-money move to Europe.
Socceroo Tim Cahill is lurking behind Mabkhout with three goals, while South Korea's Son Heung-Min and Lee Jeong-Hyeop both have two ahead of Saturday's final in Sydney.
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UAE coach Mahdi Ali said he would rest some players but not Mabkhout, who top-scored at November's Gulf Cup and in Asian Cup qualification, against Radhi Shenaishil's Iraq.
But of greatest concern to Ali is that UAE, favourites to host the 2019 Asian Cup, finish third in what has been their best campaign since they were runners-up in 1996.
"This is a good opportunity to give other players a chance and to give some a rest," Ali said. "Of course I will make some changes.
"But Ali (Mabkhout) will play tomorrow. If he gets top-scorer it would be good for him and the team but the important thing is to win the game and go home happy," he added.
Meanwhile Iraq's Shenaishil, on loan for the tournament from Qatar Sports Club, will also want a strong finish after entering talks for a permanent deal with his national team.
"I have had talks with the Iraqi FA but there has been no pen to paper yet," Shenaishil said. "Hopefully I'll be talking more with them in the days to come."
Iraqi icon Younis Mahmoud is also looking to the future after a team packed with youngsters encouragingly reached the last four, downing arch-rivals Iran along the way.
"I'm not retiring after this Cup. We're now building a new generation and we need to have experienced players with them in the national team," the striker said.