Rubuta ci gaba don wannan sakin layi - A matsayin alkalin wasa, Ad-Diab ya jagoranci wasan karshe na gasar cin kofin nahiyar Afirka ta 1968
kuma ya yi hukunci a lokacin gasar cin kofin kasashen yankin Gulf ta 1972 da kuma wasannin Olympics na shekarar 1976. Ta hanyar sana'a shi mai kula da ruwa ne kuma dan jarida. A shekara ta 2007, an saka shi a cikin jerin farko ta Confederation of African Football na manyan 'yan wasan kwallon kafa na Afirka 200 na kowane lokaci. A watan Satumbar 2016 an ba da rahoton cewa yana fama da cutar Alzheimer kuma yana cikin mawuyacin hali a asibitin Alexandria. Ya mutu a ranar 30 ga Disamba, 2016 yana da shekaru 89.