http://www.fifa.com/news/y=2018/m=5/news=the-week-in-numbers-14.html says: "50 matches unbeaten in the Sudanese Premier League is the incredible milestone Al Hilal reached with a 3-1 defeat of Al Khartoum. It left them seven shy of the competition’s record, set by themselves in 2013. The world record is the 108 matches ASEC Mimosas went without defeat in the Ivorian top flight between 1989 and ’94."