The defeat expanded Lacombe’s Pro League record to only two victories from nine matches, and means Wasl languish ninth in the table.
“The Board of Directors of Al Wasl Football at its last meeting on Sunday evening officially dispensed French coach Mr Guy Lacombe of the training of the first team football," the club said in a statement last night.
"Thanks to the good efforts made by the coach.”
Lacombe, who only took charge at Al Wasl in November, will be replaced by UAE under-19 coach Eid Baroot until the end of the season - the fifth man to take the help at the troubled club in the last year.
The Frenchman had endured an unsettling four months at the Zabeel Stadium since replacing the stricken Bruno Metsu, with key players Mariano Donda, Shikabala and Rashid Essa suffering from persistent injury.
Such a scenario convinced Wasl last month to remodel their foreign contingent, with Achille Emana and Jussie replacing Donda and Shikabala, while Lucas Neill, the experienced defender, was allowed to leave to make space for Ahmed Ibrahim, the Iraqi centre-back.
Emiliano Alfaro, the Uruguayan striker who has failed to replicate his early season form, has been retained.
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